1
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Meyer M, Brezack N, Woodward AL. Neural correlates involved in perspective-taking in early childhood. Dev Cogn Neurosci 2024; 66:101366. [PMID: 38507857 PMCID: PMC10965458 DOI: 10.1016/j.dcn.2024.101366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 12/07/2023] [Accepted: 03/13/2024] [Indexed: 03/22/2024] Open
Abstract
Learning to consider another person's perspective is pivotal in early social development. Still, little is known about the neural underpinnings involved in perspective-taking in early childhood. In this EEG study, we examined 4-year-old children's brain activity during a live, social interaction that involved perspective-taking. Children were asked to pass one of two toys to another person. To decide which toy to pass, they had to consider either their partner's perspective (perspective-taking) or visual features unrelated to their partner's perspective (control). We analyzed power changes in midfrontal and temporal-parietal EEG channels. The results indicated that children showed higher power around 7 Hz at right temporal-parietal channels for perspective-taking compared to control trials. This power difference was positively correlated with children's perspective-taking performance, specifically for trials in which they needed to pass the toy their partner could not see. A similar power difference at right temporal-parietal channels was seen when comparing perspective-taking trials where children's visual access mismatched rather than matched that of their partner. No differences were detected for midfrontal channels. In sum, we identified distinct neural activity as 4-year-olds considered another person's perspective in a live interaction; this activity converges with neural findings of adults' social processing network.
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Affiliation(s)
- M Meyer
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, the Netherlands.
| | - N Brezack
- WestEd, Learning & Technology, San Francisco, USA
| | - A L Woodward
- Department of Psychology, University of Chicago, USA
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2
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Sperber C, Wiesen D, Karnath H, de Haan B. The neuroanatomy of visual extinction following right hemisphere brain damage: Insights from multivariate and Bayesian lesion analyses in acute stroke. Hum Brain Mapp 2024; 45:e26639. [PMID: 38433712 PMCID: PMC10910281 DOI: 10.1002/hbm.26639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 01/08/2024] [Accepted: 02/06/2024] [Indexed: 03/05/2024] Open
Abstract
Multi-target attention, that is, the ability to attend and respond to multiple visual targets presented simultaneously on the horizontal meridian across both visual fields, is essential for everyday real-world behaviour. Given the close link between the neuropsychological deficit of extinction and attentional limits in healthy subjects, investigating the anatomy that underlies extinction is uniquely capable of providing important insights concerning the anatomy critical for normal multi-target attention. Previous studies into the brain areas critical for multi-target attention and its failure in extinction patients have, however, produced heterogeneous results. In the current study, we used multivariate and Bayesian lesion analysis approaches to investigate the anatomical substrate of visual extinction in a large sample of 108 acute right hemisphere stroke patients. The use of acute stroke patient data and multivariate/Bayesian lesion analysis approaches allowed us to address limitations associated with previous studies and so obtain a more complete picture of the functional network associated with visual extinction. Our results demonstrate that the right temporo-parietal junction (TPJ) is critically associated with visual extinction. The Bayesian lesion analysis additionally implicated the right intraparietal sulcus (IPS), in line with the results of studies in neurologically healthy participants that highlighted the IPS as the area critical for multi-target attention. Our findings resolve the seemingly conflicting previous findings, and emphasise the urgent need for further research to clarify the precise cognitive role of the right TPJ in multi-target attention and its failure in extinction patients.
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Affiliation(s)
- Christoph Sperber
- Center of Neurology, Division of NeuropsychologyHertie‐Institute for Clinical Brain Research, University of TübingenTübingenGermany
- Department of NeurologyInselspital, University Hospital BernBernSwitzerland
| | - Daniel Wiesen
- Center of Neurology, Division of NeuropsychologyHertie‐Institute for Clinical Brain Research, University of TübingenTübingenGermany
| | - Hans‐Otto Karnath
- Center of Neurology, Division of NeuropsychologyHertie‐Institute for Clinical Brain Research, University of TübingenTübingenGermany
- Department of PsychologyUniversity of South CarolinaColumbiaSouth CarolinaUSA
| | - Bianca de Haan
- Centre for Cognitive Neuroscience, College of Health and Life Sciences, Brunel University LondonUxbridgeUK
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3
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Fakche C, Dugué L. Perceptual Cycles Travel Across Retinotopic Space. J Cogn Neurosci 2024; 36:200-216. [PMID: 37902594 DOI: 10.1162/jocn_a_02075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Visual perception waxes and wanes periodically over time at low frequencies (theta: 4-7 Hz; alpha: 8-13 Hz), creating "perceptual cycles." These perceptual cycles can be induced when stimulating the brain with a flickering visual stimulus at the theta or alpha frequency. Here, we took advantage of the well-known organization of the visual system into retinotopic maps (topographic correspondence between visual and cortical spaces) to assess the spatial organization of induced perceptual cycles. Specifically, we tested the hypothesis that they can propagate across the retinotopic space. A disk oscillating in luminance (inducer) at 4, 6, 8, or 10 Hz was presented in the periphery of the visual field to induce perceptual cycles at specific frequencies. EEG recordings verified that the brain responded at the corresponding inducer frequencies and their first harmonics. Perceptual cycles were assessed with a concurrent detection task-target stimuli were displayed at threshold contrast (50% detection) at random times during the inducer. Behavioral results confirmed that perceptual performance was modulated periodically by the inducer at each frequency. We additionally manipulated the distance between the target and the inducer (three possible positions) and showed that the optimal phase, that is, moment of highest target detection, shifted across target distance to the inducer, specifically when its flicker frequency was in the alpha range (8 and 10 Hz). These results demonstrate that induced alpha perceptual cycles travel across the retinotopic space in humans at a propagation speed of 0.3-0.5 m/sec, consistent with the speed of unmyelinated horizontal connections in the visual cortex.
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Affiliation(s)
- Camille Fakche
- Université Paris Cité, CNRS, Integrative Neuroscience and Cognition Center, Paris, France
| | - Laura Dugué
- Université Paris Cité, CNRS, Integrative Neuroscience and Cognition Center, Paris, France
- Institut Universitaire de France
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4
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Hanning NM, Fernández A, Carrasco M. Dissociable roles of human frontal eye fields and early visual cortex in presaccadic attention. Nat Commun 2023; 14:5381. [PMID: 37666805 PMCID: PMC10477327 DOI: 10.1038/s41467-023-40678-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 08/03/2023] [Indexed: 09/06/2023] Open
Abstract
Shortly before saccadic eye movements, visual sensitivity at the saccade target is enhanced, at the expense of sensitivity elsewhere. Some behavioral and neural correlates of this presaccadic shift of attention resemble those of covert attention, deployed during fixation. Microstimulation in non-human primates has shown that presaccadic attention modulates perception via feedback from oculomotor to visual areas. This mechanism also seems plausible in humans, as both oculomotor and visual areas are active during saccade planning. We investigated this hypothesis by applying TMS to frontal or visual areas during saccade preparation. By simultaneously measuring perceptual performance, we show their causal and differential roles in contralateral presaccadic attention effects: Whereas rFEF+ stimulation enhanced sensitivity opposite the saccade target throughout saccade preparation, V1/V2 stimulation reduced sensitivity at the saccade target only shortly before saccade onset. These findings are consistent with presaccadic attention modulating perception through cortico-cortical feedback and further dissociate presaccadic and covert attention.
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Affiliation(s)
- Nina M Hanning
- Department of Psychology & Center for Neural Sciences, New York University, New York, NY, USA.
- Institut für Psychologie, Humboldt Universität zu Berlin, Berlin, Germany.
| | - Antonio Fernández
- Department of Psychology & Center for Neural Sciences, New York University, New York, NY, USA
- Department of Psychology, University of Texas at Austin, Austin, TX, USA
| | - Marisa Carrasco
- Department of Psychology & Center for Neural Sciences, New York University, New York, NY, USA
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5
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Carter AR, Barrett A. Recent advances in treatment of spatial neglect: networks and neuropsychology. Expert Rev Neurother 2023; 23:587-601. [PMID: 37273197 PMCID: PMC10740348 DOI: 10.1080/14737175.2023.2221788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Spatial neglect remains an underdiagnosed and undertreated consequence of stroke that imposes significant disability. A growing appreciation of brain networks involved in spatial cognition is helping us to develop a mechanistic understanding of different therapies under development. AREAS COVERED This review focuses on neuromodulation of brain networks for the treatment of spatial neglect after stroke, using evidence-based approaches including 1) Cognitive strategies that are more likely to impact frontal lobe executive function networks; 2) Visuomotor adaptation, which may depend on the integrity of parietal and parieto- and subcortical-frontal connections and the presence of a particular subtype of neglect labeled Aiming neglect; 3) Non-invasive brain stimulation that may modulate relative levels of activity of the two hemispheres and depend on corpus callosum connectivity; and 4) Pharmacological modulation that may exert its effect primarily via right-lateralized networks more closely involved in arousal. EXPERT OPINION Despite promising results from individual studies, significant methodological heterogeneity between trials weakened conclusions drawn from meta-analyses. Improved classification of spatial neglect subtypes will benefit research and clinical care. Understanding the brain network mechanisms of different treatments and different types of spatial neglect will make possible a precision medicine treatment approach.
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Affiliation(s)
- Alex R. Carter
- Department of Neurology, Department of Orthopedic Surgery, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - A.M. Barrett
- UMass Chan Medical School and UMass Memorial Healthcare, Worcester, MA, USA
- Central Western MA VA Healthcare System, Worcester, MA, USA
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6
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Zhou S, Yang H, Yang H, Liu T. Bidirectional understanding and cooperation: interbrain neural synchronization during social navigation. Soc Cogn Affect Neurosci 2023; 18:nsad031. [PMID: 37261919 PMCID: PMC10306364 DOI: 10.1093/scan/nsad031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/17/2023] [Accepted: 05/26/2023] [Indexed: 06/03/2023] Open
Abstract
The complexity of the environment requires humans to solve problems collaboratively. The aim of this study was to investigate the neural mechanism of social navigation in group problem-solving situations. A novel cooperative task was designed in which dyadic participants assumed the role of an operator or a navigator with different skills and knowledge and worked together to complete the task. Using functional near-infrared spectroscopy-based hyperscanning, we found stronger interbrain neural synchronization of the right temporoparietal junction (rTPJ) between dyads when the operator received instructions from the navigator rather than from a computer. The functional connections between the rTPJ and the other brain areas indicated the involvement of the mirror neural system during the task. Further directional analysis using Granger causality analysis revealed a flow of information from the temporal to the parietal and then to the pre-motor cortex in the operator's brain. These findings provide empirical evidence for the neural mechanism of social navigation and highlight the importance of the rTPJ for communication and joint attention in uncertain group problem-solving situations.
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Affiliation(s)
- Song Zhou
- School of Psychology, Fujian Normal University, Fuzhou 350117, China
| | - Huaqi Yang
- School of Psychology, Fujian Normal University, Fuzhou 350117, China
| | - Haibo Yang
- Academy of Psychology and Behavior, Tianjin Normal University, Tianjin 350387, China
- Faculty of Psychology, Tianjin Normal University, Tianjin 350387, China
| | - Tao Liu
- School of Management, Shanghai University, Shanghai 200237, China
- School of Health, Fujian Medical University, Fuzhou 350122, China
- School of Management, Zhejiang University, Hangzhou 310058, China
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7
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Gong M, Liu T, Liu X, Huangfu B, Geng F. Attention relieves visual crowding: Dissociable effects of peripheral and central cues. J Vis 2023; 23:9. [PMID: 37163245 PMCID: PMC10179668 DOI: 10.1167/jov.23.5.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023] Open
Abstract
Visual crowding can be reduced when attention is directed to the target by peripheral cues. However, it is unclear whether central cues relieve visual crowding to the same extent as peripheral cues. In this study, we combined the Posner cueing task and the crowding task to investigate the effect of exogenous and endogenous attention on crowding. In Experiment 1, five different stimulus-onset asychronies (SOAs) between the cue and the target and a predictive validity of 100% were adopted. Both attentional cues were shown to significantly reduce the effect of visual crowding, but the peripheral cue was more effective than the central cue. Furthermore, peripheral cues started to relieve visual crowding at the shortest SOA (100 ms), whereas central cues worked only at later SOAs (275 ms or above). When the predictive validity of the cue was decreased to 70% in Experiment 2, similar results to Experiment 1 were found, but the valid cue was less effective in reducing crowding than that in Experiment 1. In Experiment 3, when the predictive validity was decreased to 50%, a valid peripheral cue improved performance but a valid central cue did not, suggesting that endogenous attention but not exogenous attention can be voluntarily controlled when the cues are not predictive of the target's location. These findings collectively suggest that both peripheral and central cues can alleviate crowding, but they differ in terms of strength, time dynamics, and flexibility of voluntary control.
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Affiliation(s)
- Mingliang Gong
- School of Psychology, Jiangxi Normal University, Nanchang, China
| | - Tingyu Liu
- School of Psychology, Jiangxi Normal University, Nanchang, China
| | - Xi Liu
- School of Psychology, Jiangxi Normal University, Nanchang, China
| | - Bingzhe Huangfu
- School of Psychology, Jiangxi Normal University, Nanchang, China
| | - Fulei Geng
- School of Psychology, Jiangxi Normal University, Nanchang, China
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8
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Fernández A, Hanning NM, Carrasco M. Transcranial magnetic stimulation to frontal but not occipital cortex disrupts endogenous attention. Proc Natl Acad Sci U S A 2023; 120:e2219635120. [PMID: 36853947 PMCID: PMC10013745 DOI: 10.1073/pnas.2219635120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/27/2023] [Indexed: 03/01/2023] Open
Abstract
Covert endogenous (voluntary) attention improves visual performance. Human neuroimaging studies suggest that the putative human homolog of macaque frontal eye fields (FEF+) is critical for this improvement, whereas early visual areas are not. Yet, correlational MRI methods do not manipulate brain function. We investigated whether rFEF+ or V1/V2 plays a causal role in endogenous attention. We used transcranial magnetic stimulation (TMS) to alter activity in the visual cortex or rFEF+ when observers performed an orientation discrimination task while attention was manipulated. On every trial, they received double-pulse TMS at a predetermined site (stimulated region) around V1/V2 or rFEF+. Two cortically magnified gratings were presented, one in the stimulated region (contralateral to the stimulated area) and another in the symmetric (ipsilateral) nonstimulated region. Grating contrast was varied to measure contrast response functions (CRFs) for all attention and stimulation combinations. In experiment 1, the CRFs were similar at the stimulated and nonstimulated regions, indicating that early visual areas do not modulate endogenous attention during stimulus presentation. In contrast, occipital TMS eliminates exogenous (involuntary) attention effects on performance [A. Fernández, M. Carrasco,Curr. Biol. 30, 4078-4084 (2020)]. In experiment 2, rFEF+ stimulation decreased the overall attentional effect; neither benefits at the attended location nor costs at the unattended location were significant. The frequency and directionality of microsaccades mimicked this pattern: Whereas occipital stimulation did not affect microsaccades, rFEF+ stimulation caused a higher microsaccade rate directed toward the stimulated hemifield. These results provide causal evidence of the role of this frontal region for endogenous attention.
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Affiliation(s)
| | - Nina M. Hanning
- Department of Psychology, New York University, New York, NY10003
- Center for Neural Science, New York University, New York, NY10003
- Department of Psychology, Humboldt-Universität zu Berlin, 12489Berlin, Germany
| | - Marisa Carrasco
- Department of Psychology, New York University, New York, NY10003
- Center for Neural Science, New York University, New York, NY10003
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9
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Hanning NM, Fernández A, Carrasco M. Dissociable roles of human frontal eye fields and early visual cortex in presaccadic attention - evidence from TMS. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.23.529691. [PMID: 36865228 PMCID: PMC9980111 DOI: 10.1101/2023.02.23.529691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Shortly before each saccadic eye movement, presaccadic attention improves visual sensitivity at the saccade target 1-5 at the expense of lowered sensitivity at non-target locations 6-11 . Some behavioral and neural correlates of presaccadic attention and covert attention -which likewise enhances sensitivity, but during fixation 12 -are similar 13 . This resemblance has led to the debatable 13-18 notion that presaccadic and covert attention are functionally equivalent and rely on the same neural circuitry 19-21 . At a broad scale, oculomotor brain structures (e.g., FEF) are also modulated during covert attention 22-24 - yet by distinct neuronal subpopulations 25-28 . Perceptual benefits of presaccadic attention rely on feedback from oculomotor structures to visual cortices 29,30 ( Fig. 1a ); micro-stimulation of FEF in non-human primates affects activity in visual cortex 31-34 and enhances visual sensitivity at the movement field of the stimulated neurons 35-37 . Similar feedback projections seem to exist in humans: FEF+ activation precedes occipital activation during saccade preparation 38,39 and FEF TMS modulates activity in visual cortex 40-42 and enhances perceived contrast in the contralateral hemifield 40 . We investigated presaccadic feedback in humans by applying TMS to frontal or visual areas during saccade preparation. By simultaneously measuring perceptual performance, we show the causal and differential roles of these brain regions in contralateral presaccadic benefits at the saccade target and costs at non-targets: Whereas rFEF+ stimulation reduced presaccadic costs throughout saccade preparation, V1/V2 stimulation reduced benefits only shortly before saccade onset. These effects provide causal evidence that presaccadic attention modulates perception through cortico-cortical feedback and further dissociate presaccadic and covert attention.
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10
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Arioli M, Cattaneo Z, Parimbelli S, Canessa N. Relational vs representational social cognitive processing: a coordinate-based meta-analysis of neuroimaging data. Soc Cogn Affect Neurosci 2023; 18:7003414. [PMID: 36695428 PMCID: PMC9976764 DOI: 10.1093/scan/nsad003] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 06/30/2022] [Accepted: 01/24/2023] [Indexed: 01/26/2023] Open
Abstract
The neurocognitive bases of social cognition have been framed in terms of representing others' actions through the mirror system and their mental states via the mentalizing network. Alongside representing another person's actions or mental states, however, social cognitive processing is also shaped by their (mis)match with one's own corresponding states. Here, we addressed the distinction between representing others' states through the action observation or mentalizing networks (i.e. representational processing) and detecting the extent to which such states align with one's own ones (i.e. relational processing, mediated by social conflict). We took a meta-analytic approach to unveil the neural bases of both relational and representational processing by focusing on previously reported brain activations from functional magnetic resonance imaging studies using false-belief and action observation tasks. Our findings suggest that relational processing for belief and action states involves, respectively, the left and right temporo-parietal junction, likely contributing to self-other differentiation. Moreover, distinct sectors of the posterior fronto-medial cortex support social conflict processing for belief and action, possibly through the inhibition of conflictual representations. These data might pave the way for further studies addressing social conflict as an important component of normal and pathological processing, and inform the design of rehabilitative treatments for social deficits.
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Affiliation(s)
- Maria Arioli
- Department of Human and Social Sciences, University of Bergamo, Bergamo 24100, Italy
| | - Zaira Cattaneo
- Department of Human and Social Sciences, University of Bergamo, Bergamo 24100, Italy.,IRCCS Mondino Foundation, Pavia 27100, Italy
| | - Simone Parimbelli
- IUSS Cognitive Neuroscience (ICoN) Center, Scuola Universitaria Superiore IUSS, Pavia 27100, Italy
| | - Nicola Canessa
- IUSS Cognitive Neuroscience (ICoN) Center, Scuola Universitaria Superiore IUSS, Pavia 27100, Italy.,Istituti Clinici Scientifici Maugeri IRCCS, Cognitive Neuroscience Laboratory of Pavia Institute, Pavia 27100, Italy
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11
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Onishi H, Nagasaka K, Yokota H, Kojima S, Ohno K, Sakurai N, Kodama N, Sato D, Otsuru N. Association between somatosensory sensitivity and regional gray matter volume in healthy young volunteers: a voxel-based morphometry study. Cereb Cortex 2023; 33:2001-2010. [PMID: 35580840 PMCID: PMC9977372 DOI: 10.1093/cercor/bhac188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
Two-point discrimination (2PD) test reflects somatosensory spatial discrimination ability, but evidence on the relationship between 2PD and cortical gray matter (GM) volume is limited. This study aimed to analyze the relationship between cortical GM volume and 2PD threshold in young healthy individuals and to clarify the characteristics of brain structure reflecting the individual differences in somatosensory function. 2PD was measured in 42 healthy (20 females) volunteers aged 20-32 years using a custom-made test system that can be controlled by a personal computer. The 2PD of the right index finger measured with this device has been confirmed to show good reproducibility. T1-weighted images were acquired using a 3-T magnetic resonance imaging scanner for voxel-based morphometry analysis. The mean 2PD threshold was 2.58 ± 0.54 mm. Whole-brain multiple regression analysis of the relationship between 2PD and GM volume showed that a lower 2PD threshold (i.e. better somatosensory function) significantly correlated with decreased GM volume from the middle temporal gyrus to the inferior parietal lobule (IPL) in the contralateral hemisphere. In conclusion, a lower GM volume in the middle temporal gyrus and IPL correlates with better somatosensory function. Thus, cortical GM volume may be a biomarker of somatosensory function.
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Affiliation(s)
- Hideaki Onishi
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Physical Therapy, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Kazuaki Nagasaka
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Physical Therapy, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Hirotake Yokota
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Physical Therapy, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Sho Kojima
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Physical Therapy, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Ken Ohno
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Radiological Technology, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Noriko Sakurai
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Radiological Technology, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Naoki Kodama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Radiological Technology, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Daisuke Sato
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Health and Sports, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
| | - Naofumi Otsuru
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City, Niigata 950-3198, Japan.,Department of Physical Therapy, Niigata University of Health and Welfare, Niigata City, Niigata 950-3198, Japan
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12
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It's time for attentional control: Temporal expectation in the attentional blink. Conscious Cogn 2023; 107:103461. [PMID: 36584439 DOI: 10.1016/j.concog.2022.103461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 12/11/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022]
Abstract
The attentional blink (AB) reveals a limitation in conscious processing of sequential targets. Although it is widely held that the AB derives from a structural bottleneck of central capacity, how the central processing is constrained is still unclear. As the AB reflects the dilemma of deploying attentional resources in the time dimension, research on temporal allocation provides an important avenue for understanding the mechanism. Here we reviewed studies regarding the role of temporal expectation in modulating the AB performance primarily based on two temporal processing strategies: interval-based and rhythm-based timings. We showed that both temporal expectations can help to organize limited resources among multiple attentional episodes, thereby mitigating the AB effect. As it turns out, scrutinizing on the AB from a temporal perspective is a promising way to comprehend the mechanisms behind the AB and conscious cognition. We also highlighted some unresolved issues and discussed potential directions for future research.
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13
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Doricchi F, Lasaponara S, Pazzaglia M, Silvetti M. Left and right temporal-parietal junctions (TPJs) as "match/mismatch" hedonic machines: A unifying account of TPJ function. Phys Life Rev 2022; 42:56-92. [PMID: 35901654 DOI: 10.1016/j.plrev.2022.07.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/06/2022] [Indexed: 11/17/2022]
Abstract
Experimental and theoretical studies have tried to gain insights into the involvement of the Temporal Parietal Junction (TPJ) in a broad range of cognitive functions like memory, attention, language, self-agency and theory of mind. Recent investigations have demonstrated the partition of the TPJ in discrete subsectors. Nonetheless, whether these subsectors play different roles or implement an overarching function remains debated. Here, based on a review of available evidence, we propose that the left TPJ codes both matches and mismatches between expected and actual sensory, motor, or cognitive events while the right TPJ codes mismatches. These operations help keeping track of statistical contingencies in personal, environmental, and conceptual space. We show that this hypothesis can account for the participation of the TPJ in disparate cognitive functions, including "humour", and explain: a) the higher incidence of spatial neglect in right brain damage; b) the different emotional reactions that follow left and right brain damage; c) the hemispheric lateralisation of optimistic bias mechanisms; d) the lateralisation of mechanisms that regulate routine and novelty behaviours. We propose that match and mismatch operations are aimed at approximating "free energy", in terms of the free energy principle of decision-making. By approximating "free energy", the match/mismatch TPJ system supports both information seeking to update one's own beliefs and the pleasure of being right in one's own' current choices. This renewed view of the TPJ has relevant clinical implications because the misfunctioning of TPJ-related "match" and "mismatch" circuits in unilateral brain damage can produce low-dimensional deficits of active-inference and predictive coding that can be associated with different neuropsychological disorders.
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Affiliation(s)
- Fabrizio Doricchi
- Dipartimento di Psicologia 39, Università degli Studi di Roma 'La Sapienza', Roma, Italy; Fondazione Santa Lucia IRCCS, Roma, Italy.
| | - Stefano Lasaponara
- Dipartimento di Psicologia 39, Università degli Studi di Roma 'La Sapienza', Roma, Italy; Fondazione Santa Lucia IRCCS, Roma, Italy
| | - Mariella Pazzaglia
- Dipartimento di Psicologia 39, Università degli Studi di Roma 'La Sapienza', Roma, Italy; Fondazione Santa Lucia IRCCS, Roma, Italy
| | - Massimo Silvetti
- Computational and Translational Neuroscience Lab (CTNLab), Institute of Cognitive Sciences and Technologies, National Research Council (CNR), Rome, Italy
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14
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Luo Y, Mendoza C, Pelfrey S, Lohrenz T, Gu X, Montague PR, McAdams CJ. Elevated Neurobehavioral Responses to Negative Social Interactions in Women With Bulimia Nervosa. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2022; 7:696-705. [PMID: 33561543 PMCID: PMC8342632 DOI: 10.1016/j.bpsc.2021.01.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/27/2021] [Accepted: 01/27/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Bulimia nervosa (BN) is a complex psychiatric illness that includes binge-purge behaviors and a belief that one's value as a person depends on body shape and weight. Social pressure strongly influences the development and maintenance of BN, but how this manifests neurobiologically within an individual remains unknown. We used a computational psychiatry approach to evaluate neural mechanisms underlying social interactions in BN. METHODS Behavioral and functional magnetic resonance imaging data were collected from 24 women with BN and 26 healthy comparison women using an iterated social exchange game. Data were sorted round by round based on whether the mathematically computed social signals indicated an improving (positive reciprocity) or deteriorating (negative reciprocity) relationship for each participant. RESULTS Social interactions with negative reciprocity resulted in more negative behavioral responses and stronger neural activations in both cortical and subcortical regions in women with BN than healthy comparison women. No behavioral or neural differences were observed for interactions demonstrating positive reciprocity, suggesting a very specific form of psychopathology in BN: amplification of negative self-relevant social interactions. Cortical activations (e.g., temporoparietal junction and dorsolateral prefrontal cortex) did not covary with mood symptoms, while subcortical activations (e.g., amygdala and dorsal striatum) were associated with acute psychopathology. CONCLUSIONS These data provide a first step toward a mechanistic neuropsychological model of aberrant social processing in BN, demonstrating how a computational psychiatric approach can elucidate neural mechanisms for complex psychiatric illnesses. Future treatments for BN may include targeting neural regions that support these negative biases in social perceptions.
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Affiliation(s)
- Yi Luo
- Fralin Biomedical Research Institute at VTC, Virginia Polytechnic Institute and State University, Roanoke, Virginia
| | | | - Sarah Pelfrey
- Department of Psychiatry, UT Southwestern Medical School, Dallas, Texas
| | - Terry Lohrenz
- Fralin Biomedical Research Institute at VTC, Virginia Polytechnic Institute and State University, Roanoke, Virginia
| | - Xiaosi Gu
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York; Nash Family Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
| | - P Read Montague
- Fralin Biomedical Research Institute at VTC, Virginia Polytechnic Institute and State University, Roanoke, Virginia; Department of Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia; Virginia Tech-Wake Forest University School of Biomedical Engineering and Mechanics, Blacksburg, Virginia; Wellcome Centre for Human Neuroimaging, University College London, London, United Kingdom
| | - Carrie J McAdams
- Department of Psychiatry, UT Southwestern Medical School, Dallas, Texas.
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15
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Periodic attention operates faster during more complex visual search. Sci Rep 2022; 12:6688. [PMID: 35461325 PMCID: PMC9035177 DOI: 10.1038/s41598-022-10647-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 03/24/2022] [Indexed: 11/16/2022] Open
Abstract
Attention has been found to sample visual information periodically, in a wide range of frequencies below 20 Hz. This periodicity may be supported by brain oscillations at corresponding frequencies. We propose that part of the discrepancy in periodic frequencies observed in the literature is due to differences in attentional demands, resulting from heterogeneity in tasks performed. To test this hypothesis, we used visual search and manipulated task complexity, i.e., target discriminability (high, medium, low) and number of distractors (set size), while electro-encephalography was simultaneously recorded. We replicated previous results showing that the phase of pre-stimulus low-frequency oscillations predicts search performance. Crucially, such effects were observed at increasing frequencies within the theta-alpha range (6–18 Hz) for decreasing target discriminability. In medium and low discriminability conditions, correct responses were further associated with higher post-stimulus phase-locking than incorrect ones, in increasing frequency and latency. Finally, the larger the set size, the later the post-stimulus effect peaked. Together, these results suggest that increased complexity (lower discriminability or larger set size) requires more attentional cycles to perform the task, partially explaining discrepancies between reports of attentional sampling. Low-frequency oscillations structure the temporal dynamics of neural activity and aid top-down, attentional control for efficient visual processing.
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16
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Abstract
In the human brain, the temporal-parietal junction (TPJ) is a histologically heterogenous area that includes the ventral portions of the parietal cortex and the caudal superior temporal gyrus sector adjacent to the posterior end of the Sylvian fissure. The anatomical heterogeneity of the TPJ is matched by its seemingly ubiquitous involvement in different cognitive functions that span from memory to language, attention, self-consciousness, and social behavior. In line with established clinical evidence, recent fMRI investigations have confirmed relevant hemispheric differences in the TPJ function. Most importantly, the same investigations have highlighted that, in each hemisphere, different subsectors of the TPJ are putatively involved in different cognitive functions. Here I review empirical evidence and theoretical proposals that were recently advanced to gain a unifying interpretation of TPJ function(s). In the final part of the review, a new overarching interpretation of the TPJ function is proposed. Current advances in cognitive neuroscience can provide important insights that help improve the clinical understanding of cognitive deficits experienced by patients with lesions centered in or involving the TPJ area.
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Affiliation(s)
- Fabrizio Doricchi
- Department of Psychology, "La Sapienza" University, Rome, Italy; Laboratory of Neuropsychology of Attention, I.R.C.C.S. Santa Lucia Foundation, Rome, Italy.
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17
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Kienitz R, Schmid MC, Dugué L. Rhythmic sampling revisited: Experimental paradigms and neural mechanisms. Eur J Neurosci 2021; 55:3010-3024. [PMID: 34643973 DOI: 10.1111/ejn.15489] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 07/31/2021] [Accepted: 09/21/2021] [Indexed: 11/28/2022]
Abstract
Sampling of information is thought to be an important aspect of explorative behaviour. Evidence for it has been gained in behavioural assessments of a variety of overt and covert cognitive domains, including sensation, attention, memory, eye movements and dexterity. A common aspect across many findings is that sampling tends to exhibit a rhythmicity at low frequencies (theta, 4-8 Hz; alpha, 9-12 Hz). Neurophysiological investigations in a wide range of species, including rodents, non-human primates and humans have demonstrated the presence of sampling related neural oscillations in a number of brain areas ranging from early sensory cortex, hippocampus to high-level cognitive areas. However, to assess whether rhythmic sampling represents a general aspect of exploratory behaviour one must critically evaluate the task parameters, and their potential link with neural oscillations. Here we focus on sampling during attentive vision to present an overview on the experimental conditions that are used to investigate rhythmic sampling and associated oscillatory brain activity in this domain. This review aims to (1) provide guidelines to efficiently quantify behavioural rhythms, (2) compare results from human and non-human primate studies and (3) argue that the underlying neural mechanisms of sampling can co-occur in both sensory and high-level areas.
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Affiliation(s)
- Ricardo Kienitz
- Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, Goethe University, Frankfurt am Main, Germany.,Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Frankfurt, Germany.,Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - Michael C Schmid
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, UK.,Department of Movement and Neuroscience, Faculty of Natural Sciences and Medicine, University of Fribourg, Fribourg, Switzerland
| | - Laura Dugué
- Université de Paris, INCC UMR 8002, CNRS, Paris, France.,Institut Universitaire de France (IUF), Paris, France
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18
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Purokayastha S, Roberts M, Carrasco M. Voluntary attention improves performance similarly around the visual field. Atten Percept Psychophys 2021; 83:2784-2794. [PMID: 34036535 PMCID: PMC8514247 DOI: 10.3758/s13414-021-02316-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2021] [Indexed: 12/14/2022]
Abstract
Performance as a function of polar angle at isoeccentric locations across the visual field is known as a performance field (PF) and is characterized by two asymmetries: the HVA (horizontal-vertical anisotropy) and VMA (vertical meridian asymmetry). Exogenous (involuntary) spatial attention does not affect the shape of the PF, improving performance similarly across polar angle. Here we investigated whether endogenous (voluntary) spatial attention, a flexible mechanism, can attenuate these perceptual asymmetries. Twenty participants performed an orientation discrimination task while their endogenous attention was either directed to the target location or distributed across all possible locations. The effects of attention were assessed either using the same stimulus contrast across locations or equating difficulty across locations using individually titrated contrast thresholds. In both experiments, endogenous attention similarly improved performance at all locations, maintaining the canonical PF shape. Thus, despite its voluntary nature, like exogenous attention, endogenous attention cannot alleviate perceptual asymmetries at isoeccentric locations.
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Affiliation(s)
| | - Mariel Roberts
- Department of Psychology, New York University, New York, NY, USA
| | - Marisa Carrasco
- Department of Psychology, New York University, New York, NY, USA.
- Center for Neural Science, New York University, 6 Washington Place, Room 970, New York, NY, 10003, USA.
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19
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Yeh YY, Wang CC, Cheng SK, Chiu CD. Dissociation of posture remapping and cognitive load in level-2 perspective-taking. Cognition 2021; 214:104733. [DOI: 10.1016/j.cognition.2021.104733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 01/30/2023]
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20
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Jigo M, Heeger DJ, Carrasco M. An image-computable model of how endogenous and exogenous attention differentially alter visual perception. Proc Natl Acad Sci U S A 2021; 118:e2106436118. [PMID: 34389680 PMCID: PMC8379934 DOI: 10.1073/pnas.2106436118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Attention alters perception across the visual field. Typically, endogenous (voluntary) and exogenous (involuntary) attention similarly improve performance in many visual tasks, but they have differential effects in some tasks. Extant models of visual attention assume that the effects of these two types of attention are identical and consequently do not explain differences between them. Here, we develop a model of spatial resolution and attention that distinguishes between endogenous and exogenous attention. We focus on texture-based segmentation as a model system because it has revealed a clear dissociation between both attention types. For a texture for which performance peaks at parafoveal locations, endogenous attention improves performance across eccentricity, whereas exogenous attention improves performance where the resolution is low (peripheral locations) but impairs it where the resolution is high (foveal locations) for the scale of the texture. Our model emulates sensory encoding to segment figures from their background and predict behavioral performance. To explain attentional effects, endogenous and exogenous attention require separate operating regimes across visual detail (spatial frequency). Our model reproduces behavioral performance across several experiments and simultaneously resolves three unexplained phenomena: 1) the parafoveal advantage in segmentation, 2) the uniform improvements across eccentricity by endogenous attention, and 3) the peripheral improvements and foveal impairments by exogenous attention. Overall, we unveil a computational dissociation between each attention type and provide a generalizable framework for predicting their effects on perception across the visual field.
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Affiliation(s)
- Michael Jigo
- Center for Neural Science, New York University, New York, NY 10003;
| | - David J Heeger
- Center for Neural Science, New York University, New York, NY 10003
- Department of Psychology, New York University, New York, NY 10003
| | - Marisa Carrasco
- Center for Neural Science, New York University, New York, NY 10003
- Department of Psychology, New York University, New York, NY 10003
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21
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Li HH, Hanning NM, Carrasco M. To look or not to look: dissociating presaccadic and covert spatial attention. Trends Neurosci 2021; 44:669-686. [PMID: 34099240 PMCID: PMC8552810 DOI: 10.1016/j.tins.2021.05.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 04/25/2021] [Accepted: 05/07/2021] [Indexed: 11/23/2022]
Abstract
Attention is a central neural process that enables selective and efficient processing of visual information. Individuals can attend to specific visual information either overtly, by making an eye movement to an object of interest, or covertly, without moving their eyes. We review behavioral, neuropsychological, neurophysiological, and computational evidence of presaccadic attentional modulations that occur while preparing saccadic eye movements, and highlight their differences from those of covert spatial endogenous (voluntary) and exogenous (involuntary) attention. We discuss recent studies and experimental procedures on how these different types of attention impact visual performance, alter appearance, differentially modulate the featural representation of basic visual dimensions (orientation and spatial frequency), engage different neural computations, and recruit partially distinct neural substrates. We conclude that presaccadic attention and covert attention are dissociable.
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Affiliation(s)
- Hsin-Hung Li
- Department of Psychology and Center for Neural Science, New York University, New York, NY, USA.
| | - Nina M Hanning
- Department of Psychology and Center for Neural Science, New York University, New York, NY, USA
| | - Marisa Carrasco
- Department of Psychology and Center for Neural Science, New York University, New York, NY, USA.
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22
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Arioli M, Cattaneo Z, Ricciardi E, Canessa N. Overlapping and specific neural correlates for empathizing, affective mentalizing, and cognitive mentalizing: A coordinate-based meta-analytic study. Hum Brain Mapp 2021; 42:4777-4804. [PMID: 34322943 PMCID: PMC8410528 DOI: 10.1002/hbm.25570] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/10/2021] [Accepted: 06/15/2021] [Indexed: 01/10/2023] Open
Abstract
While the discussion on the foundations of social understanding mainly revolves around the notions of empathy, affective mentalizing, and cognitive mentalizing, their degree of overlap versus specificity is still unclear. We took a meta-analytic approach to unveil the neural bases of cognitive mentalizing, affective mentalizing, and empathy, both in healthy individuals and pathological conditions characterized by social deficits such as schizophrenia and autism. We observed partially overlapping networks for cognitive and affective mentalizing in the medial prefrontal, posterior cingulate, and lateral temporal cortex, while empathy mainly engaged fronto-insular, somatosensory, and anterior cingulate cortex. Adjacent process-specific regions in the posterior lateral temporal, ventrolateral, and dorsomedial prefrontal cortex might underpin a transition from abstract representations of cognitive mental states detached from sensory facets to emotionally-charged representations of affective mental states. Altered mentalizing-related activity involved distinct sectors of the posterior lateral temporal cortex in schizophrenia and autism, while only the latter group displayed abnormal empathy related activity in the amygdala. These data might inform the design of rehabilitative treatments for social cognitive deficits.
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Affiliation(s)
- Maria Arioli
- Department of Psychology, University of Milano-Bicocca, Milan, Italy
| | - Zaira Cattaneo
- Department of Psychology, University of Milano-Bicocca, Milan, Italy.,IRCCS Mondino Foundation, Pavia, Italy
| | | | - Nicola Canessa
- ICoN center, Scuola Universitaria Superiore IUSS, Pavia, Italy.,Istituti Clinici Scientifici Maugeri IRCCS, Cognitive Neuroscience Laboratory of Pavia Institute, Pavia, Italy
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23
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Shahnazian D, Senoussi M, Krebs RM, Verguts T, Holroyd CB. Neural Representations of Task Context and Temporal Order During Action Sequence Execution. Top Cogn Sci 2021; 14:223-240. [PMID: 33836116 DOI: 10.1111/tops.12533] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 03/29/2021] [Accepted: 03/29/2021] [Indexed: 12/22/2022]
Abstract
Routine action sequences can share a great deal of similarity in terms of their stimulus response mappings. As a consequence, their correct execution relies crucially on the ability to preserve contextual and temporal information. However, there are few empirical studies on the neural mechanism and the brain areas maintaining such information. To address this gap in the literature, we recently recorded the blood-oxygen level dependent (BOLD) response in a newly developed coffee-tea making task. The task involves the execution of four action sequences that each comprise six consecutive decision states, which allows for examining the maintenance of contextual and temporal information. Here, we report a reanalysis of this dataset using a data-driven approach, namely multivariate pattern analysis, that examines context-dependent neural activity across several predefined regions of interest. Results highlight involvement of the inferior-temporal gyrus and lateral prefrontal cortex in maintaining temporal and contextual information for the execution of hierarchically organized action sequences. Furthermore, temporal information seems to be more strongly encoded in areas over the left hemisphere.
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Affiliation(s)
| | | | - Ruth M Krebs
- Department of Experimental Psychology, Ghent University
| | - Tom Verguts
- Department of Experimental Psychology, Ghent University
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24
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Suo X, Ding H, Li X, Zhang Y, Liang M, Zhang Y, Yu C, Qin W. Anatomical and functional coupling between the dorsal and ventral attention networks. Neuroimage 2021; 232:117868. [PMID: 33647500 DOI: 10.1016/j.neuroimage.2021.117868] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/21/2021] [Accepted: 02/10/2021] [Indexed: 11/26/2022] Open
Abstract
Studies have indicated that the dorsal attention network (DAN) and the ventral attention network (VAN) functionally interact via several fronto-parietal connector hubs. However, the anatomical connectivity profiles of these connector hubs, and the coupling between the anatomical and functional connectivities of them, are still unknown. In the present study, we found that functional connector hubs anatomically bridged the DAN and VAN based on multimodal magnetic resonance imaging data from the Human Connectome Project (HCP) Consortium and an independent Chinese cohort. The three hubs had unique anatomical connectivity patterns with the attention sub-networks. For each connector hub, the pattern of anatomical connectivity resembled the functional one. Finally, the strength of the anatomical connectivity of these connector hubs was positively associated with the functional connectivity at the group- and individual-levels. Our findings help to better understand the anatomical mechanisms underlying the functional interactions between the DAN and the VAN.
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Affiliation(s)
- Xinjun Suo
- Department of Radiology, Tianjin Medical University General Hospital, Anshan Road No 154, Heping District, Tianjin 300052, China; Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China; School of Medical Imaging, Tianjin Medical University, Tianjin 300070, China
| | - Hao Ding
- Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China; School of Medical Imaging, Tianjin Medical University, Tianjin 300070, China
| | - Xi Li
- Department of Radiology, Tianjin Medical University General Hospital, Anshan Road No 154, Heping District, Tianjin 300052, China; Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yaodan Zhang
- Department of Radiology, Tianjin Medical University General Hospital, Anshan Road No 154, Heping District, Tianjin 300052, China; Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Meng Liang
- Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China; School of Medical Imaging, Tianjin Medical University, Tianjin 300070, China
| | - Yongqiang Zhang
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Chunshui Yu
- Department of Radiology, Tianjin Medical University General Hospital, Anshan Road No 154, Heping District, Tianjin 300052, China; Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China; School of Medical Imaging, Tianjin Medical University, Tianjin 300070, China
| | - Wen Qin
- Department of Radiology, Tianjin Medical University General Hospital, Anshan Road No 154, Heping District, Tianjin 300052, China; Tianjin Key Lab of Functional Imaging, Tianjin Medical University General Hospital, Tianjin 300052, China.
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25
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Ghosh P, Roy D, Banerjee A. Organization of directed functional connectivity among nodes of ventral attention network reveals the common network mechanisms underlying saliency processing across distinct spatial and spatio-temporal scales. Neuroimage 2021; 231:117869. [PMID: 33607279 DOI: 10.1016/j.neuroimage.2021.117869] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/06/2021] [Accepted: 02/11/2021] [Indexed: 12/20/2022] Open
Abstract
Previous neuroimaging studies have extensively evaluated the structural and functional connectivity of the Ventral Attention Network (VAN) and its role in reorienting attention in the presence of a salient (pop-out) stimulus. However, a detailed understanding of the "directed" functional connectivity within the VAN during the process of reorientation remains elusive. Functional magnetic resonance imaging (fMRI) studies have not adequately addressed this issue due to a lack of appropriate temporal resolution required to capture this dynamic process. The present study investigates the neural changes associated with processing salient distractors operating at a slow and a fast time scale using custom-designed experiment involving visual search on static images and dynamic motion tracking, respectively. We recorded high-density scalp electroencephalography (EEG) from healthy human volunteers, obtained saliency-specific behavioral and spectral changes during the tasks, localized the sources underlying the spectral power modulations with individual-specific structural MRI scans, reconstructed the waveforms of the sources and finally, investigated the causal relationships between the sources using spectral Granger-Geweke Causality (GGC). We found that salient stimuli processing, across tasks with varying spatio-temporal complexities, involves a characteristic modulation in the alpha frequency band which is executed primarily by the nodes of the VAN constituting the temporo-parietal junction (TPJ), the insula and the lateral prefrontal cortex (lPFC). The directed functional connectivity results further revealed the presence of bidirectional interactions among prominent nodes of right-lateralized VAN, corresponding only to the trials with saliency. Thus, our study elucidates the invariant network mechanisms for processing saliency in visual attention tasks across diverse time-scales.
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Affiliation(s)
- Priyanka Ghosh
- Cognitive Brain Dynamics Lab, National Brain Research Centre, Manesar, NH-8, Gurgaon, Haryana 122052, India.
| | - Dipanjan Roy
- Cognitive Brain Dynamics Lab, National Brain Research Centre, Manesar, NH-8, Gurgaon, Haryana 122052, India
| | - Arpan Banerjee
- Cognitive Brain Dynamics Lab, National Brain Research Centre, Manesar, NH-8, Gurgaon, Haryana 122052, India
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26
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Cohen‐Zimerman S, Khilwani H, Smith GNL, Krueger F, Gordon B, Grafman J. The neural basis for mental state attribution: A voxel-based lesion mapping study. Hum Brain Mapp 2021; 42:65-79. [PMID: 33030812 PMCID: PMC7721243 DOI: 10.1002/hbm.25203] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 08/14/2020] [Accepted: 08/19/2020] [Indexed: 12/11/2022] Open
Abstract
The ability to infer other persons' mental states, "Theory of Mind" (ToM), is a key function of social cognition and is needed when interpreting the intention of others. ToM is associated with a network of functionally related regions, with reportedly key prominent hubs located in the dorsolateral prefrontal cortex (dlPFC) and the temporoparietal junction (TPJ). The involvement of (mainly the right) TPJ in ToM is based primarily on functional imaging studies that provide correlational evidence for brain-behavior associations. In this lesion study, we test whether certain brain areas are necessary for intact ToM performance. We investigated individuals with penetrating traumatic brain injury (n = 170) and healthy matched controls (n = 30) using voxel-based lesion-symptom mapping (VLSM) and by measuring the impact of a given lesion on white matter disconnections. ToM performance was compared between five patient groups based on lesion location: right TPJ, left TPJ, right dlPFC, left dlPFC, and other lesion, as well as healthy controls. The only group to present with lower ToM abilities was the one with lesions in the right dlPFC. Similarly, VLSM analysis revealed a main cluster in the right frontal middle gyrus and a secondary cluster in the left inferior parietal gyrus. Last, we found that disconnection of the left inferior longitudinal fasciculus and right superior longitudinal fasciculus were associated with poor ToM performance. This study highlights the importance of lesion studies in complementing functional neuroimaging findings and supports the assertion that the right dlPFC is a key region mediating mental state attribution.
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Affiliation(s)
- Shira Cohen‐Zimerman
- Cognitive Neuroscience LaboratoryBrain Injury Research, Shirley Ryan AbilityLabChicagoIllinoisUSA
- Departments of Physical Medicine and Rehabilitation, Feinberg School of MedicineNorthwestern UniversityChicagoIllinoisUSA
| | - Harsh Khilwani
- Cognitive Neuroscience LaboratoryBrain Injury Research, Shirley Ryan AbilityLabChicagoIllinoisUSA
- Department of Biomedical EngineeringNorthwestern UniversityChicagoIllinoisUSA
| | - Gretchen N. L. Smith
- Cognitive Neuroscience LaboratoryBrain Injury Research, Shirley Ryan AbilityLabChicagoIllinoisUSA
| | - Frank Krueger
- School of Systems BiologyGeorge Mason UniversityFairfaxVirginiaUSA
- Department of PsychologyUniversity of MannheimMannheimGermany
| | - Barry Gordon
- Department of NeurologyJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- Department of Cognitive ScienceJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Jordan Grafman
- Cognitive Neuroscience LaboratoryBrain Injury Research, Shirley Ryan AbilityLabChicagoIllinoisUSA
- Departments of Physical Medicine and Rehabilitation, Feinberg School of MedicineNorthwestern UniversityChicagoIllinoisUSA
- Department of Neurology, Psychiatry, and Cognitive Neurology & Alzheimer's Disease, Feinberg School of Medicine, Department of PsychologyNorthwestern UniversityChicagoIllinoisUSA
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27
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Differential impact of endogenous and exogenous attention on activity in human visual cortex. Sci Rep 2020; 10:21274. [PMID: 33277552 PMCID: PMC7718281 DOI: 10.1038/s41598-020-78172-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 11/09/2020] [Indexed: 01/27/2023] Open
Abstract
How do endogenous (voluntary) and exogenous (involuntary) attention modulate activity in visual cortex? Using ROI-based fMRI analysis, we measured fMRI activity for valid and invalid trials (target at cued/un-cued location, respectively), pre- or post-cueing endogenous or exogenous attention, while participants performed the same orientation discrimination task. We found stronger modulation in contralateral than ipsilateral visual regions, and higher activity in valid- than invalid-trials. For endogenous attention, modulation of stimulus-evoked activity due to a pre-cue increased along the visual hierarchy, but was constant due to a post-cue. For exogenous attention, modulation of stimulus-evoked activity due to a pre-cue was constant along the visual hierarchy, but was not modulated due to a post-cue. These findings reveal that endogenous and exogenous attention distinctly modulate activity in visuo-occipital areas during orienting and reorienting; endogenous attention facilitates both the encoding and the readout of visual information whereas exogenous attention only facilitates the encoding of information.
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28
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Jigo M, Carrasco M. Differential impact of exogenous and endogenous attention on the contrast sensitivity function across eccentricity. J Vis 2020; 20:11. [PMID: 32543651 PMCID: PMC7416906 DOI: 10.1167/jov.20.6.11] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Both exogenous and endogenous covert spatial attention enhance contrast sensitivity, a fundamental measure of visual function that depends substantially on the spatial frequency and eccentricity of a stimulus. Whether and how each type of attention systematically improves contrast sensitivity across spatial frequency and eccentricity are fundamental to our understanding of visual perception. Previous studies have assessed the effects of spatial attention at individual spatial frequencies and, separately, at different eccentricities, but this is the first study to do so parametrically with the same task and observers. Using an orientation discrimination task, we investigated the effect of attention on contrast sensitivity over a wide range of spatial frequencies and eccentricities. Targets were presented alone or among distractors to assess signal enhancement and distractor suppression mechanisms of spatial attention. At each eccentricity, we found that exogenous attention preferentially enhanced spatial frequencies higher than the peak frequency in the baseline condition. In contrast, endogenous attention similarly enhanced a broad range of lower and higher spatial frequencies. The presence or absence of distractors did not alter the pattern of enhancement by each type of attention. Our findings reveal how the two types of covert spatial attention differentially shape how we perceive basic visual dimensions across the visual field.
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Zhou L, Zhen Z, Liu J, Zhou K. Brain Structure and Functional Connectivity Associated with Individual Differences in the Attentional Blink. Cereb Cortex 2020; 30:6224-6237. [PMID: 32662504 DOI: 10.1093/cercor/bhaa180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 06/04/2020] [Accepted: 06/04/2020] [Indexed: 01/24/2023] Open
Abstract
The attentional blink (AB) has been central in characterizing the limit of temporal attention and consciousness. The neural mechanism of the AB is still in hot debate. With a large sample size, we combined multiple behavioral tests, multimodal MRI measures, and transcranial magnetic stimulation to investigate the neural basis underlying the individual differences in the AB. We found that AB magnitude correlated with the executive control functioning of working memory (WM) in behavior, which was fully mediated by T1 performance. Structural variations in the right temporoparietal junction (rTPJ) and its intrinsic functional connectivity with the left inferior frontal junction (lIFJ) accounted for the individual differences in the AB, which was moderated by the executive control of working memory. Disrupting the function of the lIFJ attenuated the AB deficit. Our findings clarified the neural correlates of the individual differences in the AB and elucidated its relationship with the consolidation-driven inhibitory control process.
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Affiliation(s)
- Liqin Zhou
- College of Psychology and Sociology, Shenzhen University, Shenzhen 518061, China.,Shenzhen Institute of Neuroscience, Shenzhen 518061, China.,Beijing Key Laboratory of Applied Experimental Psychology, School of Psychology, Beijing Normal University, Beijing 100875, China
| | - Zonglei Zhen
- Beijing Key Laboratory of Applied Experimental Psychology, School of Psychology, Beijing Normal University, Beijing 100875, China
| | - Jia Liu
- Beijing Key Laboratory of Applied Experimental Psychology, School of Psychology, Beijing Normal University, Beijing 100875, China
| | - Ke Zhou
- Beijing Key Laboratory of Applied Experimental Psychology, School of Psychology, Beijing Normal University, Beijing 100875, China
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30
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Won BY, Forloines M, Zhou Z, Geng JJ. Changes in visual cortical processing attenuate singleton distraction during visual search. Cortex 2020; 132:309-321. [PMID: 33010740 PMCID: PMC7655700 DOI: 10.1016/j.cortex.2020.08.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/01/2020] [Accepted: 08/20/2020] [Indexed: 01/22/2023]
Abstract
The ability to suppress distractions is essential to successful completion of goal-directed behaviors. Several behavioral studies have recently provided strong evidence that learned suppression may be particularly efficient in reducing distractor interference. Expectations about a distractor's repeated location, color, or even presence are rapidly learned and used to attenuate interference. In this study, we use a visual search paradigm in which a color singleton, which is known to capture attention, occurs within blocks with high or low frequency. The behavioral results show reduced singleton interference during the high compared to the low frequency block (Won et al., 2019). The fMRI results provide evidence that the attenuation of distractor interference is supported by changes in singleton, target, and non-salient distractor representations within retinotopic visual cortex. These changes in visual cortex are accompanied by findings that singleton-present trials compared to non-singleton trials produce greater activation in bilateral parietal cortex, indicative of attentional capture, in low frequency, but not high frequency blocks. Together, these results suggest that the readout of saliency signals associated with an expected color singleton from visual cortex is suppressed, resulting in less competition for attentional priority in frontoparietal attentional control regions.
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Affiliation(s)
- Bo-Yeong Won
- Center for Mind and Brain, University of California, Davis 267 Cousteau Pl., Davis, CA, 95618, USA.
| | - Martha Forloines
- Department of Psychology, University of California, Davis 1 Shields Ave, Davis, CA, 95616, USA; Department of Neurology, University of California, Davis 3160 Folsom Blvd, Sacramento, CA, 95816, USA
| | - Zhiheng Zhou
- Center for Mind and Brain, University of California, Davis 267 Cousteau Pl., Davis, CA, 95618, USA
| | - Joy J Geng
- Center for Mind and Brain, University of California, Davis 267 Cousteau Pl., Davis, CA, 95618, USA; Department of Psychology, University of California, Davis 1 Shields Ave, Davis, CA, 95616, USA.
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31
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Lega C, Santandrea E, Ferrante O, Serpe R, Dolci C, Baldini E, Cattaneo L, Chelazzi L. Modulating the influence of recent trial history on attentional capture via transcranial magnetic stimulation (TMS) of right TPJ. Cortex 2020; 133:149-160. [PMID: 33126008 DOI: 10.1016/j.cortex.2020.09.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/31/2020] [Accepted: 09/01/2020] [Indexed: 12/14/2022]
Abstract
In visual search, salient yet task-irrelevant distractors in the stimulus array interfere with target selection. This is due to the unwanted shift of attention towards the salient stimulus-the so-called attentional capture effect, which delays deployment of attention onto the target. Although powerful and automatic, attentional capture by a salient distractor is nonetheless antagonized by distractor-filtering mechanisms and is further modulated by cross-trial contingencies: The distractor cost is typically more robust when no distraction has been experienced in the immediate past, compared to when a distractor was present on the immediately preceding trial. Here, we used transcranial magnetic stimulation (TMS) to shed light on the causal role of two crucial nodes of the ventral attention network, namely the Temporo-Parietal Junction (TPJ) and the Middle Frontal Gyrus (MFG), in the exogenous control of attention (i.e., attentional capture) and its history-dependent modulation. Participants were asked to discriminate the direction of a target arrow while ignoring a task-irrelevant salient distractor, when present. Immediately after display onset, 10 Hz triple-pulse TMS was delivered either to TPJ or MFG on the right hemisphere. Results demonstrated that stimulation of right TPJ-but not of right MFG, strongly modulated attentional capture as a function of the type of previous trial, by somewhat enhancing the distractor-related cost when the preceding trial was a distractor-absent trial and significantly decreasing the cost when the preceding trial was a distractor-present trial. These findings indicate that TMS of right TPJ exacerbates the effect of the recent history, likely reflecting enhanced updating of the predictive model that dynamically governs proactive distractor-filtering mechanisms. More generally, the results attest to a role of TPJ in mediating the history-dependent modulation of attentional capture.
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Affiliation(s)
- Carlotta Lega
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; Department of Psychology, University of Milano-Bicocca, Milano, Italy
| | - Elisa Santandrea
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Oscar Ferrante
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; School of Psychology, Centre for Human Brain Health, University of Birmingham, Birmingham, UK
| | - Rossana Serpe
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Carola Dolci
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Eleonora Baldini
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Luigi Cattaneo
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy
| | - Leonardo Chelazzi
- Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; Istituto Nazionale di Neuroscienze (INN), Italy.
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Fernández A, Carrasco M. Extinguishing Exogenous Attention via Transcranial Magnetic Stimulation. Curr Biol 2020; 30:4078-4084.e3. [PMID: 32795447 PMCID: PMC7577948 DOI: 10.1016/j.cub.2020.07.068] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 07/09/2020] [Accepted: 07/22/2020] [Indexed: 10/23/2022]
Abstract
Orienting covert exogenous (involuntary) attention to a target location improves performance in many visual tasks [1, 2]. It is unknown whether early visual cortical areas are necessary for this improvement. To establish a causal link between these areas and attentional modulations, we used transcranial magnetic stimulation (TMS) to briefly alter cortical excitability and determine whether early visual areas mediate the effect of exogenous attention on performance. Observers performed an orientation discrimination task. After a peripheral valid, neutral, or invalid cue, two cortically magnified gratings were presented, one in the stimulated region and the other in the symmetric region in the opposite hemifield. Observers received two successive TMS pulses around their occipital pole while the stimuli were presented. Shortly after, a response cue indicated the grating whose orientation observers had to discriminate. The response cue either matched-target stimulated-or did not match-distractor stimulated-the stimulated side. Grating contrast was varied to measure contrast response functions (CRF) for all combinations of attention and TMS conditions. When the distractor was stimulated, exogenous attention yielded response gain-performance benefits in the valid-cue condition and costs in the invalid-cue condition compared with the neutral condition at the high contrast levels. Crucially, when the target was stimulated, this response gain was eliminated. Therefore, TMS extinguished the effect of exogenous attention. These results establish a causal link between early visual areas and the modulatory effect of exogenous attention on performance.
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Affiliation(s)
- Antonio Fernández
- Department of Psychology, New York University, New York, NY 10003, USA.
| | - Marisa Carrasco
- Department of Psychology, New York University, New York, NY 10003, USA; Center for Neural Science, New York University, New York, NY 10003, USA.
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33
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Large-scale brain networks underlying non-spatial attention updating: Towards understanding the function of the temporoparietal junction. Cortex 2020; 133:247-265. [PMID: 33157345 DOI: 10.1016/j.cortex.2020.09.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/19/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022]
Abstract
The temporoparietal junction (TPJ) and related areas are activated when a target stimulus appears at unexpected locations in Posner's spatial-cueing paradigm, and also when deviant stimuli are presented within a series of standard events in oddball paradigms. This type of activation corresponds to the ventral attention network (VAN), for regions defined on the basis of the spatial task. However, involvement of the VAN in object-based updating of attention has rarely been examined. In the present study, we used functional magnetic resonance imaging to investigate brain responses to (i) invalid targets after category-cueing and (ii) neutrally cued targets deviating in category from the background series of pictures. Bilateral TPJ activation was observed in response to invalidly cued targets, as compared to neutrally cued targets. Reference to the main large-scale brain networks showed that peaks of this activation located in the angular gyrus and inferior parietal lobule belonged to the default mode (DMN) and fronto-parietal networks (FPN), respectively. We found that VAN regions were involved only for simple detection activity. We conclude that spatial and non-spatial reorienting of attention rely on different network underpinnings. Our data suggest that DMN and FPN activity may support the ability to disengage from contextually irrelevant information.
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34
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Mengotti P, Käsbauer AS, Fink GR, Vossel S. Lateralization, functional specialization, and dysfunction of attentional networks. Cortex 2020; 132:206-222. [PMID: 32998061 DOI: 10.1016/j.cortex.2020.08.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 04/20/2020] [Accepted: 08/31/2020] [Indexed: 12/11/2022]
Abstract
The present review covers the latest findings on the lateralization of the dorsal and ventral attention systems, their functional specialization, and their clinical relevance for stroke-induced attentional dysfunction. First, the original assumption of a bilateral dorsal system for top-down attention and a right-lateralized ventral system for stimulus-driven attention is critically reviewed. The evidence for the involvement of the left parietal cortex in attentional functions is discussed and findings on putative pathways linking the dorsal and ventral network are presented. In the second part of the review, we focus on the different attentional subsystems and their lateralization, discussing the differences between spatial, feature- and object-based attention, and motor attention. We also review studies based on predictive coding frameworks of attentional functions. Finally, in the third section, we provide an overview of the consequences of specific disruption within the attention networks after stroke. The role of the interhemispheric (im)balance is discussed, and the results of new promising therapeutic approaches employing brain stimulation techniques such as transcranial magnetic stimulation (TMS) or transcranial direct current stimulation (tDCS) are presented.
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Affiliation(s)
- Paola Mengotti
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM-3), Forschungszentrum Jülich, Jülich, Germany.
| | - Anne-Sophie Käsbauer
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM-3), Forschungszentrum Jülich, Jülich, Germany
| | - Gereon R Fink
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM-3), Forschungszentrum Jülich, Jülich, Germany; Department of Neurology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Simone Vossel
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM-3), Forschungszentrum Jülich, Jülich, Germany; Department of Psychology, Faculty of Human Sciences, University of Cologne, Cologne, Germany
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35
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Steinkamp SR, Vossel S, Fink GR, Weidner R. Attentional reorientation along the meridians of the visual field: Are there different neural mechanisms at play? Hum Brain Mapp 2020; 41:3765-3780. [PMID: 32525609 PMCID: PMC7416051 DOI: 10.1002/hbm.25086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 05/14/2020] [Accepted: 05/18/2020] [Indexed: 12/03/2022] Open
Abstract
Hemispatial neglect, after unilateral lesions to parietal brain areas, is characterized by an inability to respond to unexpected stimuli in contralesional space. As the visual field's horizontal meridian is most severely affected, the brain networks controlling visuospatial processes might be tuned explicitly to this axis. We investigated such a potential directional tuning in the dorsal and ventral frontoparietal attention networks, with a particular focus on attentional reorientation. We used an orientation‐discrimination task where a spatial precue indicated the target position with 80% validity. Healthy participants (n = 29) performed this task in two runs and were required to (re‐)orient attention either only along the horizontal or the vertical meridian, while fMRI and behavioral measures were recorded. By using a general linear model for behavioral and fMRI data, dynamic causal modeling for effective connectivity, and other predictive approaches, we found strong statistical evidence for a reorientation effect for horizontal and vertical runs. However, neither neural nor behavioral measures differed between vertical and horizontal reorienting. Moreover, models from one run successfully predicted the cueing condition in the respective other run. Our results suggest that activations in the dorsal and ventral attention networks represent higher‐order cognitive processes related to spatial attentional (re‐)orientating that are independent of directional tuning and that unilateral attention deficits after brain damage are based on disrupted interactions between higher‐level attention networks and sensory areas.
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Affiliation(s)
- Simon R. Steinkamp
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM‐3)Research Centre JuelichJuelichGermany
| | - Simone Vossel
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM‐3)Research Centre JuelichJuelichGermany
- Department of Psychology, Faculty of Human SciencesUniversity of CologneCologneGermany
| | - Gereon R. Fink
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM‐3)Research Centre JuelichJuelichGermany
- Department of Neurology, Faculty of Medicine and University Hospital CologneUniversity of CologneCologneGermany
| | - Ralph Weidner
- Cognitive Neuroscience, Institute of Neuroscience & Medicine (INM‐3)Research Centre JuelichJuelichGermany
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36
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McCusker MC, Wiesman AI, Schantell MD, Eastman JA, Wilson TW. Multi-spectral oscillatory dynamics serving directed and divided attention. Neuroimage 2020; 217:116927. [PMID: 32438050 PMCID: PMC7573387 DOI: 10.1016/j.neuroimage.2020.116927] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 05/01/2020] [Accepted: 05/07/2020] [Indexed: 02/07/2023] Open
Abstract
Attention-related amplification of neural representations of external stimuli has been well documented in the visual domain, however, research concerning the oscillatory dynamics of such directed attention is relatively sparse in humans. Specifically, it is unknown which spectrally-specific neural responses are mainly impacted by the direction and division of attention, as well as whether the effects of attention on these oscillations are spatially disparate. In this study, we use magnetoencephalography and a visual-somatosensory oddball task to investigate the whole-brain oscillatory dynamics of directed (Experiment 1; N = 26) and divided (Experiment 2; N = 34) visual attention. Sensor-level data were transformed into the time-frequency domain and significant responses from baseline were imaged using a frequency-resolved beamformer. We found that multi-spectral cortical oscillations were stronger when attention was sustained in the visual space and that these effects exhibited informative spatial distributions that differed by frequency. More specifically, we found stronger frontal theta (4–8 Hz), frontal and occipital alpha (8–14 Hz), occipital beta (16–22 Hz), and frontal gamma (74–84 Hz) responses when visual attention was sustained than when it was directed away from the visual domain. Similarly, in the divided attention condition, we observed stronger fronto-parietal theta activity and temporo-parietal alpha and beta oscillations when visual attention was sustained toward the visual stimuli than divided between the visual and somatosensory domains. Investigating how attentional gain is implemented in the human brain is essential for better understanding how this process is degraded in disease, and may provide useful targets for future therapies.
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Affiliation(s)
- Marie C McCusker
- Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, NE, USA; Cognitive Neuroscience of Development & Aging (CoNDA) Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Alex I Wiesman
- Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, NE, USA; Cognitive Neuroscience of Development & Aging (CoNDA) Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Mikki D Schantell
- Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, NE, USA; Cognitive Neuroscience of Development & Aging (CoNDA) Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Jacob A Eastman
- Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, NE, USA; Cognitive Neuroscience of Development & Aging (CoNDA) Center, University of Nebraska Medical Center, Omaha, NE, USA
| | - Tony W Wilson
- Center for Magnetoencephalography, University of Nebraska Medical Center, Omaha, NE, USA; Cognitive Neuroscience of Development & Aging (CoNDA) Center, University of Nebraska Medical Center, Omaha, NE, USA; Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE, USA.
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37
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Mazor M, Friston KJ, Fleming SM. Distinct neural contributions to metacognition for detecting, but not discriminating visual stimuli. eLife 2020; 9:e53900. [PMID: 32310086 PMCID: PMC7170652 DOI: 10.7554/elife.53900] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 03/24/2020] [Indexed: 01/07/2023] Open
Abstract
Being confident in whether a stimulus is present or absent (a detection judgment) is qualitatively distinct from being confident in the identity of that stimulus (a discrimination judgment). In particular, in detection, evidence can only be available for the presence, not the absence, of a target object. This asymmetry suggests that higher-order cognitive and neural processes may be required for confidence in detection, and more specifically, in judgments about absence. In a within-subject, pre-registered and performance-matched fMRI design, we observed quadratic confidence effects in frontopolar cortex for detection but not discrimination. Furthermore, in the right temporoparietal junction, confidence effects were enhanced for judgments of target absence compared to judgments of target presence. We interpret these findings as reflecting qualitative differences between a neural basis for metacognitive evaluation of detection and discrimination, potentially in line with counterfactual or higher-order models of confidence formation in detection.
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Affiliation(s)
- Matan Mazor
- Wellcome Centre for Human Neuroimaging, University College LondonLondonUnited Kingdom
| | - Karl J Friston
- Wellcome Centre for Human Neuroimaging, University College LondonLondonUnited Kingdom
| | - Stephen M Fleming
- Wellcome Centre for Human Neuroimaging, University College LondonLondonUnited Kingdom
- Max Planck UCL Centre for Computational Psychiatry and Aging Research, University College LondonLondonUnited Kingdom
- Department of Experimental Psychology, University College LondonLondonUnited Kingdom
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38
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Zani A, Tumminelli C, Proverbio AM. Electroencephalogram (EEG) Alpha Power as a Marker of Visuospatial Attention Orienting and Suppression in Normoxia and Hypoxia. An Exploratory Study. Brain Sci 2020; 10:brainsci10030140. [PMID: 32121650 PMCID: PMC7139314 DOI: 10.3390/brainsci10030140] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/24/2020] [Accepted: 02/27/2020] [Indexed: 11/16/2022] Open
Abstract
While electroencephalogram (EEG) alpha desynchronization has been related to anticipatory orienting of visuospatial attention, an increase in alpha power has been associated to its inhibition. A separate line of findings indicated that alpha is affected by a deficient oxygenation of the brain or hypoxia, although leaving unclear whether the latter increases or decreases alpha synchronization. Here, we carried out an exploratory study on these issues by monitoring attention alerting, orienting, and control networks functionality by means of EEG recorded both in normoxia and hypoxia in college students engaged in four attentional cue-target conditions induced by a redesigned Attention Network Test. Alpha power was computed through Fast Fourier Transform. Regardless of brain oxygenation condition, alpha desynchronization was the highest during exogenous, uncued orienting of spatial attention, the lowest during alerting but spatially unpredictable, cued exogenous orienting of attention, and of intermediate level during validly cued endogenous orienting of attention, no matter the motor response workload demanded by the latter, especially over the left hemisphere. Hypoxia induced an increase in alpha power over the right-sided occipital and parietal scalp areas independent of attention cueing and conflict conditions. All in all, these findings prove that attention orienting is undergirded by alpha desynchronization and that alpha right-sided synchronization in hypoxia might sub-serve either the effort to sustain attention over time or an overall suppression of attention networks functionality.
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Affiliation(s)
- Alberto Zani
- School of Psychology, Vita e Salute San Raffaele University, 20132 Milan, Italy
- Institute of Molecular Bioimaging and Physiology (IBFM), National Research Council (CNR), 20090 Milan, Italy
- Correspondence:
| | - Clara Tumminelli
- Dept. of Psychology, University of Milano-Bicocca, 20126 Milan, Italy; (C.T.); (A.M.P.)
| | - Alice Mado Proverbio
- Dept. of Psychology, University of Milano-Bicocca, 20126 Milan, Italy; (C.T.); (A.M.P.)
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39
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Capozzi F, Ristic J. Attention AND mentalizing? Reframing a debate on social orienting of attention. VISUAL COGNITION 2020. [DOI: 10.1080/13506285.2020.1725206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | - Jelena Ristic
- Department of Psychology, McGill University, Montreal, Canada
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40
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Abstract
Visual attention prioritizes the processing of sensory information at specific spatial locations (spatial attention; SA) or with specific feature values (feature-based attention; FBA). SA is well characterized in terms of behavior, brain activity, and temporal dynamics-for both top-down (endogenous) and bottom-up (exogenous) spatial orienting. FBA has been thoroughly studied in terms of top-down endogenous orienting, but much less is known about the potential of bottom-up exogenous influences of FBA. Here, in four experiments, we adapted a procedure used in two previous studies that reported exogenous FBA effects, with the goal of replicating and expanding on these findings, especially regarding its temporal dynamics. Unlike the two previous studies, we did not find significant effects of exogenous FBA. This was true (1) whether accuracy or RT was prioritized as the main measure, (2) with precues presented peripherally or centrally, (3) with cue-to-stimulus ISIs of varying durations, (4) with four or eight possible target locations, (5) at different meridians, (6) with either brief or long stimulus presentations, (7) and with either fixation contingent or noncontingent stimulus displays. In the last experiment, a postexperiment participant questionnaire indicated that only a small subset of participants, who mistakenly believed the irrelevant color of the precue indicated which stimulus was the target, exhibited benefits for valid exogenous FBA precues. Overall, we conclude that with the protocol used in the studies reporting exogenous FBA, the exogenous stimulus-driven influence of FBA is elusive at best, and that FBA is primarily a top-down, goal-driven process.
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Affiliation(s)
- Ian Donovan
- Department of Psychology, New York University, New York, NY, USA
| | - Ying Joey Zhou
- Department of Psychology, New York University, New York, NY, USA
| | - Marisa Carrasco
- Department of Psychology, New York University, New York, NY, USA.
- Center for Neural Science, New York University, New York, NY, USA.
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41
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Devaney KJ, Rosen ML, Levin EJ, Somers DC. Identification of Visual Attentional Regions of the Temporoparietal Junction in Individual Subjects using a Vivid, Novel Oddball Paradigm. Front Hum Neurosci 2019; 13:424. [PMID: 31920587 PMCID: PMC6917576 DOI: 10.3389/fnhum.2019.00424] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 11/14/2019] [Indexed: 11/13/2022] Open
Abstract
The Temporoparietal Junction (TPJ) of the cerebral cortex is a functionally heterogeneous region that also exhibits substantial anatomical variability across individuals. As a result, the precise functional organization of TPJ remains controversial. One or more regions within TPJ support visual attention processes, but the "attention TPJ" is difficult to functionally observe in individual subjects, and thus is typically identified by averaging across a large group of subjects. However, group-averaging also blurs localization and can obscure functional organization. Here, we develop and test an individual-subject approach to identifying attentional TPJ. This paradigm employs novel oddball images with a strong visual drive to produce robust TPJ responses in individuals. Vivid, novel oddballs drive responses in two TPJ regions bilaterally, a posterior region centered in posterior Superior Temporal Sulcus (TPJSTS) and an anterior region in ventral Supramarginal Gyrus (TPJSMG). Although an attentional reorienting task fails to drive TPJ activation in individuals, group analysis of the attentional reorienting contrast reveals recruitment of right TPJSTS, but not right TPJSMG. Similarly, right TPJSTS, as identified in individual subjects by the vivid, novel oddball contrast, is activated by attentional reorienting, but right TPJSMG is not. These findings advance an individual-subject based approach to understanding the functional organization of TPJ.
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Affiliation(s)
- Kathryn J Devaney
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, United States.,Department of Health and Human Performance, Stanford University Medical School, Stanford, CA, United States
| | - Maya L Rosen
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, United States.,Department of Psychology, Harvard University, Seattle, WA, United States
| | - Emily J Levin
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, United States.,Department of Cognitive, Linguistic and Psychological Sciences, Brown University, Providence, RI, United States
| | - David C Somers
- Department of Psychological and Brain Sciences, Boston University, Boston, MA, United States
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42
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Unger RH, Flanigan PM, Khosravi M, Leverenz JB, Tousi B. Clinical and Imaging Characteristics Associated with Color Vision Impairment in Lewy Body Disease. J Alzheimers Dis 2019; 72:1233-1240. [PMID: 31683482 DOI: 10.3233/jad-190727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Color vision impairment (CVI) has been reported in dementia with Lewy bodies (DLB) and prodromal Lewy body disease (pro-LBD). OBJECTIVE In order to better characterize the diagnostic value of CVI testing, we compared the prevalence of CVI in patients with with Lewy body disease compared to Alzheimer's disease (AD), and we examined clinical and imaging characteristics associated with CVI in patients with DLB and suspected pro-LBD. METHODS We retrospectively reviewed medical records, dopamine transporter (DaT-SPECT) imaging, and volumetric MRI from patients with AD, DLB, and suspected pro-LBD who underwent an online Farnsworth D-15 color vision test. RESULTS 111 patients (62 DLB, 25 pro-LBD, and 24 AD) were included with a median age of 75 years. Newly diagnosed CVI was present in 67% of patients with DLB, 44% of patients with pro-LBD, and 18% of patients with AD. In patients with DLB, CVI was associated with lower Montreal Cognitive Assessment (MoCA) scores and lower sub-scores in visuospatial/executive function, naming, and language. In a multivariable logistic regression model, a diagnosis of DLB or pro-LBD compared to AD, and a lower composite MoCA score in visuospatial/executive function, naming, and language were associated with CVI controlling for age and gender. Among 17 DLB patients who underwent volumetric MRI, patients with CVI (n = 9) demonstrated lower normative volumetric percentiles in the right transverse superior temporal lobe. CONCLUSION We provide further evidence that CVI can help differentiate DLB from AD, and we suggest that CVI may be an indicator of cognitive decline and disease progression in DLB.
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Affiliation(s)
- Robert H Unger
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA.,Lou Ruvo Center for Brain Health, Cleveland Clinic, Cleveland, OH, USA
| | - Patrick M Flanigan
- Department of Neurosurgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Mitra Khosravi
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, MN, USA
| | - James B Leverenz
- Lou Ruvo Center for Brain Health, Cleveland Clinic, Cleveland, OH, USA
| | - Babak Tousi
- Lou Ruvo Center for Brain Health, Cleveland Clinic, Cleveland, OH, USA
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43
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Bartolomeo P, Seidel Malkinson T. Hemispheric lateralization of attention processes in the human brain. Curr Opin Psychol 2019; 29:90-96. [DOI: 10.1016/j.copsyc.2018.12.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/21/2018] [Accepted: 12/29/2018] [Indexed: 01/06/2023]
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44
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Awake surgery for glioblastoma can preserve independence level, but is dependent on age and the preoperative condition. J Neurooncol 2019; 144:155-163. [PMID: 31228139 DOI: 10.1007/s11060-019-03216-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/17/2019] [Indexed: 12/31/2022]
Abstract
PURPOSE Lately, awake surgery has been frequently adapted for glioblastoma (GBM). However, even with awake surgery, the expected long-term independence levels may not be achieved. We studied the characteristics of independence levels in GBM patients, and investigated the usefulness and parameter thresholds of awake surgery from the standpoint of functional outcomes. METHODS Totally, 60 GBM patients (awake group, n = 30; general anesthesia group, n = 30) who underwent tumor resection surgery were included. We collected preoperative and 1- and 3-month postoperative Karnofsky Performance Status (KPS) scores, and analyzed causes of low KPS scores from the aspect of function, brain region, and clinical factors. Then, we focused on the operative method, and investigated the usefulness of awake surgery. Finally, we explored the parameter standards of awake surgery in GBM considering independence levels. RESULTS Postoperative KPS were significantly lower than preoperative scores. Responsible lesions for low KPS scores were deep part of the left superior temporal gyrus and the right posterior temporal gyri that may be causes of aphasia and neuropsychological dysfunctions, respectively. Additionally, operative methods influenced on low independence level; long-term KPS scores in the awake group were significantly higher than those in the general anesthesia group, but they depended on age and preoperative KPS scores. Receiver operating characteristic curve analysis showed preoperative KPS = 90 and age = 62 years as the cutoff values for preservation of long-term KPS scores in awake group. CONCLUSION Awake surgery for GBM is useful for preserving long-term independence levels, but outcomes differ depending on age and preoperative KPS scores.
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45
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Senoussi M, Moreland JC, Busch NA, Dugué L. Attention explores space periodically at the theta frequency. J Vis 2019; 19:22. [DOI: 10.1167/19.5.22] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Mehdi Senoussi
- ISAE-Supaéro, Université Fédérale de Toulouse, Toulouse, France
- Present address: Department of Experimental Psychology, Ghent University, Ghent, Belgium
- ://sites.google.com/site/senoussim/
| | - James C. Moreland
- Department of Psychology, University of Washington, Seattle, WA, USA
| | - Niko A. Busch
- Institute of Psychology, Westfälische Wilhelms-Universität, Münster, Germany
- Otto Creutzfeldt Center for Cognitive and Behavioral Neuroscience, Westfälische Wilhelms-Universität, Münster, Germany
| | - Laura Dugué
- CNRS (Integrative Neuroscience and Cognition Center, UMR 8002), Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
- ://duguelaura.wixsite.com/mysite
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46
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Patel GH, Sestieri C, Corbetta M. The evolution of the temporoparietal junction and posterior superior temporal sulcus. Cortex 2019; 118:38-50. [PMID: 30808550 DOI: 10.1016/j.cortex.2019.01.026] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 01/04/2019] [Accepted: 01/14/2019] [Indexed: 12/20/2022]
Abstract
The scale at which humans can handle complex social situations is massively increased compared to other animals. However, the neural substrates of this scaling remain poorly understood. In this review, we discuss how the expansion and rearrangement of the temporoparietal junction and posterior superior temporal sulcus (TPJ-pSTS) may have played a key role in the growth of human social abilities. Comparing the function and anatomy of the TPJ-pSTS in humans and macaques, which are thought to be separated by 25 million years of evolution, we find that the expansion of this region in humans has shifted the architecture of the dorsal and ventral processing streams. The TPJ-pSTS contains areas related to face-emotion processing, attention, theory of mind operations, and memory; its expansion has allowed for the elaboration and rearrangement of the cortical areas contained within, and potentially the introduction of new cortical areas. Based on the arrangement and the function of these areas in the human, we propose that the TPJ-pSTS is the basis of a third frontoparietal processing stream that underlies the increased social abilities in humans. We then describe a model of how the TPJ-pSTS areas interact as a hub that coordinates the activities of multiple brain networks in the exploration of the complex dynamic social scenes typical of the human social experience.
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Affiliation(s)
- Gaurav H Patel
- Columbia University, USA; New York State Psychiatric Institute, USA.
| | | | - Maurizio Corbetta
- University of Padova, Italy; Washington University School of Medicine, USA
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47
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Davidson MJ, Alais D, van Boxtel JJ, Tsuchiya N. Attention periodically samples competing stimuli during binocular rivalry. eLife 2018; 7:40868. [PMID: 30507378 PMCID: PMC6298779 DOI: 10.7554/elife.40868] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 11/19/2018] [Indexed: 12/14/2022] Open
Abstract
The attentional sampling hypothesis suggests that attention rhythmically enhances sensory processing when attending to a single (~8 Hz), or multiple (~4 Hz) objects. Here, we investigated whether attention samples sensory representations that are not part of the conscious percept during binocular rivalry. When crossmodally cued toward a conscious image, subsequent changes in consciousness occurred at ~8 Hz, consistent with the rates of undivided attentional sampling. However, when attention was cued toward the suppressed image, changes in consciousness slowed to ~3.5 Hz, indicating the division of attention away from the conscious visual image. In the electroencephalogram, we found that at attentional sampling frequencies, the strength of inter-trial phase-coherence over fronto-temporal and parieto-occipital regions correlated with changes in perception. When cues were not task-relevant, these effects disappeared, confirming that perceptual changes were dependent upon the allocation of attention, and that attention can flexibly sample away from a conscious image in a task-dependent manner.
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Affiliation(s)
- Matthew J Davidson
- School of Psychological Sciences, Faculty of Medicine, Nursing, and Health Sciences, Monash University, Melbourne, Australia.,Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Australia
| | - David Alais
- School of Psychology, The University of Sydney, Camperdown, Australia
| | - Jeroen Ja van Boxtel
- School of Psychological Sciences, Faculty of Medicine, Nursing, and Health Sciences, Monash University, Melbourne, Australia.,Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Australia.,School of Psychology, Faculty of Health, University of Canberra, Canberra, Australia
| | - Naotsugu Tsuchiya
- School of Psychological Sciences, Faculty of Medicine, Nursing, and Health Sciences, Monash University, Melbourne, Australia.,Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Australia
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48
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Task performance in covert, but not overt, attention correlates with early laterality of visual evoked potentials. Neuropsychologia 2018; 119:330-339. [DOI: 10.1016/j.neuropsychologia.2018.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/27/2018] [Accepted: 08/15/2018] [Indexed: 11/20/2022]
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49
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Donovan I, Carrasco M. Endogenous spatial attention during perceptual learning facilitates location transfer. J Vis 2018; 18:7. [PMID: 30347094 PMCID: PMC6181190 DOI: 10.1167/18.11.7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/02/2018] [Indexed: 11/24/2022] Open
Abstract
Covert attention and perceptual learning enhance perceptual performance. The relation between these two mechanisms is largely unknown. Previously, we showed that manipulating involuntary, exogenous spatial attention during training improved performance at trained and untrained locations, thus overcoming the typical location specificity. Notably, attention-induced transfer only occurred for high stimulus contrasts, at the upper asymptote of the psychometric function (i.e., via response gain). Here, we investigated whether and how voluntary, endogenous attention, the top-down and goal-based type of covert visual attention, influences perceptual learning. Twenty-six participants trained in an orientation discrimination task at two locations: half of participants received valid endogenous spatial precues (attention group), while the other half received neutral precues (neutral group). Before and after training, all participants were tested with neutral precues at two trained and two untrained locations. Within each session, stimulus contrast varied on a trial basis from very low (2%) to very high (64%). Performance was fit by a Weibull psychometric function separately for each day and location. Performance improved for both groups at the trained location, and unlike training with exogenous attention, at the threshold level (i.e., via contrast gain). The neutral group exhibited location specificity: Thresholds decreased at the trained locations, but not at the untrained locations. In contrast, participants in the attention group showed significant location transfer: Thresholds decreased to the same extent at both trained and untrained locations. These results indicate that, similar to exogenous spatial attention, endogenous spatial attention induces location transfer, but influences contrast gain instead of response gain.
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Affiliation(s)
- Ian Donovan
- Department of Psychology, New York University, New York, NY, USA
| | - Marisa Carrasco
- Department of Psychology and Center for Neural Science, New York University, New York, NY, USA
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50
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Cutrone EK, Heeger DJ, Carrasco M. On spatial attention and its field size on the repulsion effect. J Vis 2018; 18:8. [PMID: 30029219 PMCID: PMC6012187 DOI: 10.1167/18.6.8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 05/13/2018] [Indexed: 11/24/2022] Open
Abstract
We investigated the attentional repulsion effect-stimuli appear displaced further away from attended locations-in three experiments: one with exogenous (involuntary) attention, and two with endogenous (voluntary) attention with different attention-field sizes. It has been proposed that differences in attention-field size can account for qualitative differences in neural responses elicited by attended stimuli. We used psychophysical comparative judgments and manipulated either exogenous attention via peripheral cues or endogenous attention via central cues and a demanding rapid serial visual presentation task. We manipulated the attention field size of endogenous attention by presenting streams of letters at two specific locations or at two of many possible locations during each block. We found a robust attentional repulsion effect in all three experiments: with endogenous and exogenous attention and with both attention-field sizes. These findings advance our understanding of the influence of spatial attention on the perception of visual space and help relate this repulsion effect to possible neurophysiological correlates.
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Affiliation(s)
| | - David J Heeger
- Department of Psychology, New York University, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
| | - Marisa Carrasco
- Department of Psychology, New York University, New York, NY, USA
- Center for Neural Science, New York University, New York, NY, USA
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