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Woelk SP, Garfinkel SN. Dissociative Symptoms and Interoceptive Integration. Curr Top Behav Neurosci 2024. [PMID: 38755513 DOI: 10.1007/7854_2024_480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Dissociative symptoms and disorders of dissociation are characterised by disturbances in the experience of the self and the surrounding world, manifesting as a breakdown in the normal integration of consciousness, memory, identity, emotion, and perception. This paper aims to provide insights into dissociative symptoms from the perspective of interoception, the sense of the body's internal physiological state, adopting a transdiagnostic framework.Dissociative symptoms are associated with a blunting of autonomic reactivity and a reduction in interoceptive precision. In addition to the central function of interoception in homeostasis, afferent visceral signals and their neural and mental representation have been shown to shape emotional feeling states, support memory encoding, and contribute to self-representation. Changes in interoceptive processing and disrupted integration of interoceptive signals into wider cognition may contribute to detachment from the body and the world, blunted emotional experience, and altered subjective recall, as experienced by individuals who suffer from dissociation.A better understanding of the role of altered interoceptive integration across the symptom areas of dissociation could thus provide insights into the neurophysiological mechanisms underlying dissociative disorders. As new therapeutic approaches targeting interoceptive processing emerge, recognising the significance of interoceptive mechanisms in dissociation holds potential implications for future treatment targets.
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Affiliation(s)
- Sascha P Woelk
- Institute of Cognitive Neuroscience, University College London, London, UK.
| | - Sarah N Garfinkel
- Institute of Cognitive Neuroscience, University College London, London, UK
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2
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Zaccaro A, della Penna F, Mussini E, Parrotta E, Perrucci MG, Costantini M, Ferri F. Attention to cardiac sensations enhances the heartbeat-evoked potential during exhalation. iScience 2024; 27:109586. [PMID: 38623333 PMCID: PMC11016802 DOI: 10.1016/j.isci.2024.109586] [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: 09/22/2023] [Revised: 03/07/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
Respiration and cardiac activity intricately interact through complex physiological mechanisms. The heartbeat-evoked potential (HEP) is an EEG fluctuation reflecting the cortical processing of cardiac signals. We recently found higher HEP amplitude during exhalation than inhalation during a task involving attention to cardiac sensations. This may have been due to reduced cardiac perception during inhalation and heightened perception during exhalation through attentional mechanisms. To investigate relationships between HEP, attention, and respiration, we introduced an experimental setup that included tasks related to cardiac and respiratory interoceptive and exteroceptive attention. Results revealed HEP amplitude increases during the interoceptive tasks over fronto-central electrodes. When respiratory phases were taken into account, HEP increases were primarily driven by heartbeats recorded during exhalation, specifically during the cardiac interoceptive task, while inhalation had minimal impact. These findings emphasize the role of respiration in cardiac interoceptive attention and could have implications for respiratory interventions to fine-tune cardiac interoception.
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Affiliation(s)
- Andrea Zaccaro
- Department of Psychological, Health and Territorial Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Francesca della Penna
- Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Elena Mussini
- Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Eleonora Parrotta
- Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Mauro Gianni Perrucci
- Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
- Institute for Advanced Biomedical Technologies, ITAB, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Marcello Costantini
- Department of Psychological, Health and Territorial Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
- Institute for Advanced Biomedical Technologies, ITAB, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
| | - Francesca Ferri
- Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
- Institute for Advanced Biomedical Technologies, ITAB, “G. d’Annunzio” University of Chieti-Pescara, Chieti, Italy
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3
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Fouragnan EF, Hosking B, Cheung Y, Prakash B, Rushworth M, Sel A. Timing along the cardiac cycle modulates neural signals of reward-based learning. Nat Commun 2024; 15:2976. [PMID: 38582905 PMCID: PMC10998831 DOI: 10.1038/s41467-024-46921-5] [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: 07/04/2022] [Accepted: 03/14/2024] [Indexed: 04/08/2024] Open
Abstract
Natural fluctuations in cardiac activity modulate brain activity associated with sensory stimuli, as well as perceptual decisions about low magnitude, near-threshold stimuli. However, little is known about the relationship between fluctuations in heart activity and other internal representations. Here we investigate whether the cardiac cycle relates to learning-related internal representations - absolute and signed prediction errors. We combined machine learning techniques with electroencephalography with both simple, direct indices of task performance and computational model-derived indices of learning. Our results demonstrate that just as people are more sensitive to low magnitude, near-threshold sensory stimuli in certain cardiac phases, so are they more sensitive to low magnitude absolute prediction errors in the same cycles. However, this occurs even when the low magnitude prediction errors are associated with clearly suprathreshold sensory events. In addition, participants exhibiting stronger differences in their prediction error representations between cardiac cycles exhibited higher learning rates and greater task accuracy.
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Affiliation(s)
- Elsa F Fouragnan
- Wellcome Centre for Integrative Neuroimaging (WIN), Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK.
- Brain Research Imaging Centre (BRIC), Faculty of Health, University of Plymouth, Plymouth, PL6 8BU, UK.
- School of Psychology, Faculty of Health, University of Plymouth, Plymouth, PL4 8AA, UK.
| | - Billy Hosking
- Brain Research Imaging Centre (BRIC), Faculty of Health, University of Plymouth, Plymouth, PL6 8BU, UK
- School of Psychology, Faculty of Health, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Yin Cheung
- Wellcome Centre for Integrative Neuroimaging (WIN), Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK
| | - Brooke Prakash
- Wellcome Centre for Integrative Neuroimaging (WIN), Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK
| | - Matthew Rushworth
- Wellcome Centre for Integrative Neuroimaging (WIN), Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK
| | - Alejandra Sel
- Wellcome Centre for Integrative Neuroimaging (WIN), Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK
- Centre for Brain Science, Department of Psychology, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, UK
- Essex ESNEFT Psychological Research Unit for Behaviour, Health and Wellbeing, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, UK
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4
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Jammal Salameh L, Bitzenhofer SH, Hanganu-Opatz IL, Dutschmann M, Egger V. Blood pressure pulsations modulate central neuronal activity via mechanosensitive ion channels. Science 2024; 383:eadk8511. [PMID: 38301001 DOI: 10.1126/science.adk8511] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/11/2023] [Indexed: 02/03/2024]
Abstract
The transmission of the heartbeat through the cerebral vascular system causes intracranial pressure pulsations. We discovered that arterial pressure pulsations can directly modulate central neuronal activity. In a semi-intact rat brain preparation, vascular pressure pulsations elicited correlated local field oscillations in the olfactory bulb mitral cell layer. These oscillations did not require synaptic transmission but reflected baroreceptive transduction in mitral cells. This transduction was mediated by a fast excitatory mechanosensitive ion channel and modulated neuronal spiking activity. In awake animals, the heartbeat entrained the activity of a subset of olfactory bulb neurons within ~20 milliseconds. Thus, we propose that this fast, intrinsic interoceptive mechanism can modulate perception-for example, during arousal-within the olfactory bulb and possibly across various other brain areas.
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Affiliation(s)
- Luna Jammal Salameh
- Neurophysiology Group, Zoological Institute, Regensburg University, 93040 Regensburg, Germany
| | - Sebastian H Bitzenhofer
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, Hamburg Center of Neuroscience, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Ileana L Hanganu-Opatz
- Institute of Developmental Neurophysiology, Center for Molecular Neurobiology, Hamburg Center of Neuroscience, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Mathias Dutschmann
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Veronica Egger
- Neurophysiology Group, Zoological Institute, Regensburg University, 93040 Regensburg, Germany
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5
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O'Dowd A, Hirst RJ, Setti A, Kenny RA, Newell FN. Individual differences in seated resting heart rate are associated with multisensory perceptual function in older adults. Psychophysiology 2024; 61:e14430. [PMID: 37675755 DOI: 10.1111/psyp.14430] [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: 01/05/2023] [Revised: 08/09/2023] [Accepted: 08/16/2023] [Indexed: 09/08/2023]
Abstract
There is evidence that cardiovascular function can influence sensory processing and cognition, which are known to change with age. However, whether the precision of unisensory and multisensory temporal perception is influenced by cardiovascular activity in older adults is uncertain. We examined whether seated resting heart rate (RHR) was associated with unimodal visual and auditory temporal discrimination as well as susceptibility to the audio-visual Sound Induced Flash Illusion (SIFI) in a large sample of older adults (N = 3232; mean age = 64.17 years, SD = 7.74, range = 50-93; 56% female) drawn from The Irish Longitudinal Study on Ageing (TILDA). Faster seated RHR was associated with better discretization of two flashes (but not two beeps) and increased SIFI susceptibility when the audio-visual stimuli were presented close together in time but not at longer audio-visual temporal offsets. Our findings suggest a significant relationship between cardiovascular activity and the precision of visual and audio-visual temporal perception in older adults, thereby providing novel evidence for a link between cardiovascular function and perceptual function in aging.
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Affiliation(s)
- Alan O'Dowd
- School of Psychology and Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
| | - Rebecca J Hirst
- School of Psychology and Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
| | - Annalisa Setti
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- School of Applied Psychology, University College Cork, Cork, Ireland
| | - Rose Anne Kenny
- The Irish Longitudinal Study on Ageing, Trinity College Dublin, Dublin, Ireland
- Mercer Institute for Successful Ageing, St. James Hospital, Dublin, Ireland
| | - Fiona N Newell
- School of Psychology and Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland
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6
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Candia-Rivera D, Raimondo F, Pérez P, Naccache L, Tallon-Baudry C, Sitt JD. Conscious processing of global and local auditory irregularities causes differentiated heartbeat-evoked responses. eLife 2023; 12:e75352. [PMID: 37888955 PMCID: PMC10651171 DOI: 10.7554/elife.75352] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 10/24/2023] [Indexed: 10/28/2023] Open
Abstract
Recent research suggests that brain-heart interactions are associated with perceptual and self-consciousness. In this line, the neural responses to visceral inputs have been hypothesized to play a leading role in shaping our subjective experience. This study aims to investigate whether the contextual processing of auditory irregularities modulates both direct neuronal responses to the auditory stimuli (ERPs) and the neural responses to heartbeats, as measured with heartbeat-evoked responses (HERs). HERs were computed in patients with disorders of consciousness, diagnosed with a minimally conscious state or unresponsive wakefulness syndrome. We tested whether HERs reflect conscious auditory perception, which can potentially provide additional information for the consciousness diagnosis. EEG recordings were taken during the local-global paradigm, which evaluates the capacity of a patient to detect the appearance of auditory irregularities at local (short-term) and global (long-term) levels. The results show that local and global effects produce distinct ERPs and HERs, which can help distinguish between the minimally conscious state and unresponsive wakefulness syndrome patients. Furthermore, we found that ERP and HER responses were not correlated suggesting that independent neuronal mechanisms are behind them. These findings suggest that HER modulations in response to auditory irregularities, especially local irregularities, may be used as a novel neural marker of consciousness and may aid in the bedside diagnosis of disorders of consciousness with a more cost-effective option than neuroimaging methods.
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Affiliation(s)
- Diego Candia-Rivera
- Laboratoire de Neurosciences Cognitives et Computationnelles, Département d’Etudes Cognitives, École Normale Supérieure, INSERM, Université PSLParisFrance
- Sorbonne Université, Paris Brain Institute (ICM), INRIA, CNRS, INSERM, AP-HP, Hôpital Pitié-SalpêtrièreParisFrance
| | - Federico Raimondo
- Sorbonne Université, Paris Brain Institute (ICM), INRIA, CNRS, INSERM, AP-HP, Hôpital Pitié-SalpêtrièreParisFrance
- Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Forschungszentrum JülichJülichGermany
- Institute of Systems Neuroscience, Heinrich Heine University DüsseldorfDüsseldorfGermany
| | - Pauline Pérez
- Sorbonne Université, Paris Brain Institute (ICM), INRIA, CNRS, INSERM, AP-HP, Hôpital Pitié-SalpêtrièreParisFrance
- AP-HP, Hôpital de la Pitié Salpêtrière, Neuro ICU, DMU NeurosciencesParisFrance
| | - Lionel Naccache
- Sorbonne Université, Paris Brain Institute (ICM), INRIA, CNRS, INSERM, AP-HP, Hôpital Pitié-SalpêtrièreParisFrance
- Pitié-Salpêtrière Faculty of Medicine, Pierre and Marie Curie University, Sorbonne UniversitiesParisFrance
- INSERM, National Institute of Health and Medical ResearchParisFrance
- Department of Neurology, Pitié-Salpêtrière Hospital Group, Public Hospital Network of ParisParisFrance
- Department of Neurophysiology, Pitié-Salpêtrière Hospital Group, Public Hospital Network of ParisParisFrance
| | - Catherine Tallon-Baudry
- Laboratoire de Neurosciences Cognitives et Computationnelles, Département d’Etudes Cognitives, École Normale Supérieure, INSERM, Université PSLParisFrance
| | - Jacobo D Sitt
- Sorbonne Université, Paris Brain Institute (ICM), INRIA, CNRS, INSERM, AP-HP, Hôpital Pitié-SalpêtrièreParisFrance
- INSERM, National Institute of Health and Medical ResearchParisFrance
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7
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Candia-Rivera D, Machado C. Multidimensional assessment of heartbeat-evoked responses in disorders of consciousness. Eur J Neurosci 2023; 58:3098-3110. [PMID: 37382151 DOI: 10.1111/ejn.16079] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 06/01/2023] [Accepted: 06/12/2023] [Indexed: 06/30/2023]
Abstract
Because consciousness does not necessarily translate into overt behaviour, detecting residual consciousness in noncommunicating patients remains a challenge. Bedside diagnostic methods based on EEG are promising and cost-effective alternatives to detect residual consciousness. Recent evidence showed that the cortical activations triggered by each heartbeat, namely, heartbeat-evoked responses (HERs), can detect through machine learning the presence of minimal consciousness and distinguish between overt and covert minimal consciousness. In this study, we explore different markers to characterize HERs to investigate whether different dimensions of the neural responses to heartbeats provide complementary information that is not typically found under standard event-related potential analyses. We evaluated HERs and EEG average non-locked to heartbeats in six types of participants: healthy state, locked-in syndrome, minimally conscious state, vegetative state/unresponsive wakefulness syndrome, comatose and brain-dead patients. We computed a series of markers from HERs that can generally separate the unconscious from the conscious. Our findings indicate that HER variance and HER frontal segregation tend to be higher in the presence of consciousness. These indices, when combined with heart rate variability, have the potential to enhance the differentiation between different levels of awareness. We propose that a multidimensional evaluation of brain-heart interactions could be included in a battery of tests to characterize disorders of consciousness. Our results may motivate further exploration of markers in brain-heart communication for the detection of consciousness at the bedside. The development of diagnostic methods based on brain-heart interactions may be translated into more feasible methods for clinical practice.
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Affiliation(s)
- Diego Candia-Rivera
- Paris Brain Institute - ICM, CNRS, INRIA, INSERM, AP-HP, Hôpital Pitié Salpêtrière, Sorbonne Université, Paris, France
| | - Calixto Machado
- Department of Clinical Neurophysiology, Institute of Neurology and Neurosurgery, Havana, Cuba
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8
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Baiano C, Job X, Kirsch LP, Auvray M. Interoceptive abilities facilitate taking another's spatial perspective. Sci Rep 2023; 13:10064. [PMID: 37344510 DOI: 10.1038/s41598-023-36173-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/29/2023] [Indexed: 06/23/2023] Open
Abstract
Information can be perceived from a multiplicity of spatial perspectives, which is central to effectively understanding and interacting with our environment and other people. Interoception, the sense of the physiological state of our body, is also a fundamental component contributing to our perception. However, whether the perception of our inner body signals influences our ability to adopt and flexibly change between different spatial perspectives remains poorly understood. To investigate this, 90 participants completed tasks assessing multiple dimensions of interoception (interoceptive sensibility, cardiac interoceptive accuracy and awareness) and the Graphesthesia task to assess tactile spatial perspective-taking and its flexibility. The results revealed that higher cardiac interoceptive awareness is associated with greater consistency in adopting a perspective decentred from the self. Second, higher cardiac interoceptive accuracy was associated with slower and less accurate performance in switching from a decentred to an egocentred perspective. These results show that interoceptive abilities facilitate decentred spatial perspective-taking, likely reflecting stronger perceived boundaries between internal states and the external world.
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Affiliation(s)
- Chiara Baiano
- Department of Psychology, University of Campania Luigi Vanvitelli, 81100, Caserta, Italy
| | - Xavier Job
- Department of Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Louise P Kirsch
- Integrative Neuroscience and Cognition Center, CNRS, UMR 8002, Université Paris Cité, 45 Rue des Saints Pères, 75006, Paris, France.
| | - Malika Auvray
- Institut des Systèmes Intelligents et de Robotique, ISIR, CNRS, Sorbonne Université, 4 Place Jussieu, 75005, Paris, France.
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9
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Yang X, Spangler DP, Jennings JR, Friedman BH. Cardiac timing and threatening stimuli influence response inhibition and ex-Gaussian parameters of reaction time in a Go/No-go task. Psychophysiology 2023; 60:e14260. [PMID: 36717691 DOI: 10.1111/psyp.14260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 12/21/2022] [Accepted: 01/04/2023] [Indexed: 02/01/2023]
Abstract
Sensorimotor responses vary as a function of the cardiac cycle phase. These effects, known as cardiac cycle time effects, have been explained by the inhibition of cardiac afferent signals on information processing. However, the validity of cardiac cycle time effects is challenged by mixed findings. Factors such as current information processing and affective context may modulate cardiac cycle time effects and account for inconsistencies in the literature. The current study examines the influence of cardiac cycle time and threatening stimuli on two aspects of sensorimotor processing, response speed and inhibition. Thirty-four participants (Mage = 19.35 years; 29 female) completed an auditory Go/No-go task in no face, neutral face, and fearful face conditions. Faces were presented at either cardiac diastole or systole. Participants' reaction times (RTs) during Go trials and failures in response inhibition during No-go trials were recorded. The ex-Gaussian model was fit to RT data in each condition deriving the parameters, mu (μ) and tau (τ), that indicate response speed and attentional lapses, respectively. Repeated measures ANOVA were used to analyze behavioral data. Results showed that cardiac systole prolonged μ but decreased τ, and that cardiac diastole reduced inhibition errors in the fearful face condition but not in other conditions. These findings indicate that cardiac timing differentially modulates sensory-perceptual and top-down attentional processes and cardiac timing interacts with threatening contexts to influence response inhibition. These results highlight the specificity of cardiac cycle time effects on sensorimotor processing.
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Affiliation(s)
- Xiao Yang
- Department of Psychology, Old Dominion University, Norfolk, Virginia, USA
| | - Derek P Spangler
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - J Richard Jennings
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Bruce H Friedman
- Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
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10
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Azevedo RT, von Mohr M, Tsakiris M. From the Viscera to First Impressions: Phase-Dependent Cardio-Visual Signals Bias the Perceived Trustworthiness of Faces. Psychol Sci 2023; 34:120-131. [PMID: 36322944 DOI: 10.1177/09567976221131519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
When we see new people, we rapidly form first impressions. Whereas past research has focused on the role of morphological or emotional cues, we asked whether transient visceral states bias the impressions we form. Across three studies (N = 94 university students), we investigated how fluctuations of bodily states, driven by the interoceptive impact of cardiac signals, influence the perceived trustworthiness of faces. Participants less often chose faces presented in synchrony with their own cardiac systole as more trustworthy than faces presented out of synchrony. Participants also explicitly judged faces presented in synchrony with their cardiac systole as less trustworthy. Finally, the presentation of faces in synchrony with participants' cardiac diastole did not modulate participants' perceptions of the faces' trustworthiness, suggesting that the systolic phase is necessary for such interoceptive effects. These findings highlight the role of phasic interoceptive information in the processing of social information and provide a mechanistic account of the role of visceroception for social perception.
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Affiliation(s)
| | - Mariana von Mohr
- Department of Psychology, Royal Holloway, University of London.,Centre for the Politics of Feelings, School of Advanced Study, University of London
| | - Manos Tsakiris
- Department of Psychology, Royal Holloway, University of London.,Centre for the Politics of Feelings, School of Advanced Study, University of London
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11
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Feldman MJ, Siegel E, Barrett LF, Quigley KS, Wormwood JB. Affect and Social Judgment: The Roles of Physiological Reactivity and Interoceptive Sensitivity. AFFECTIVE SCIENCE 2022; 3:464-479. [PMID: 36046009 PMCID: PMC9382998 DOI: 10.1007/s42761-022-00114-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 03/11/2022] [Indexed: 06/03/2023]
Abstract
Humans imbue the objects of their perception with affective meaning, a phenomenon called affective realism. The affective realism hypothesis proposes that a brain continually predicts the meaning of sensations (e.g., identifying a sound as a siren, or a visual array as a face) in part by representing the current state of the body and the immediate physiological impact that similar sensory events have entailed in the past. However, the precise contribution of physiological activity to experiences of affective realism remains unknown. In the present study, participants' peripheral physiological activity was recorded while they made social evaluative judgments of target faces displaying neutral expressions. Target faces were shown concurrent with affective images that were suppressed from reportable awareness using continuous flash suppression. Results revealed evidence of affective realism-participants judged target faces more positively when paired with suppressed positive stimuli than suppressed negative stimuli-but this effect was significantly less pronounced among individuals higher in cardiac interoceptive sensitivity. Moreover, while some modest differences in peripheral physiological activity were observed across suppressed affective stimulus conditions, physiological reactivity to affective stimuli did not directly predict social evaluative judgments. We explore the implications of these findings with respect to both theories of emotion and theories detailing a role for interoception in experiences of first-person subjectivity. Supplementary Information The online version contains supplementary material available at 10.1007/s42761-022-00114-9.
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Affiliation(s)
- Mallory J. Feldman
- University of North Carolina at Chapel Hill, 231 E. Cameron Ave, Chapel Hill, NC 27514 USA
| | | | - Lisa Feldman Barrett
- Department of Psychology, Northeastern University, Boston, MA 02115 USA
- Department of Psychiatry and the Martinos Center for Biomedical Imaging, Harvard Medical School, Massachusetts General Hospital, Boston, MA USA
| | - Karen S. Quigley
- Department of Psychology, Northeastern University, Boston, MA 02115 USA
| | - Jolie B. Wormwood
- Department of Psychology, University of New Hampshire, Durham, NH 03824 USA
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12
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Khoshnoud S, Alvarez Igarzábal F, Wittmann M. Brain–Heart Interaction and the Experience of Flow While Playing a Video Game. Front Hum Neurosci 2022; 16:819834. [PMID: 35572002 PMCID: PMC9096496 DOI: 10.3389/fnhum.2022.819834] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 04/06/2022] [Indexed: 11/13/2022] Open
Abstract
The flow state – an experience of complete absorption in an activity – is linked with less self-referential processing and increased arousal. We used the heart-evoked potential (HEP), an index representing brain–heart interaction, as well as indices of peripheral physiology to assess the state of flow in individuals playing a video game. 22 gamers and 21 non-gamers played the video game Thumper for 25 min while their brain and cardiorespiratory signals were simultaneously recorded. The more participants were absorbed in the game, the less they thought about time and the faster time passed subjectively. On the cortical level, the fronto-central HEP amplitude was significantly lower while playing the game compared to resting states before and after the game, reflecting less self-referential processing while playing. This HEP effect corresponded with lower activity during gameplay in brain regions contributing to interoceptive processing. The HEP amplitude predicted the level of absorption in the game. While the HEP amplitude was overall lower during the gaming session than during the resting states, within the gaming session the amplitude of HEP was positively associated with absorption. Since higher absorption was related to higher performance in the game, the higher HEP in more absorbed individuals reflects more efficient brain–heart interaction, which is necessary for efficient game play. On the physiological level, a higher level of flow was associated with increased overall sympathetic activity and less inhibited parasympathetic activity toward the end of the game. These results are building blocks for future neurophysiological assessments of flow.
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Affiliation(s)
- Shiva Khoshnoud
- Institute for Frontier Areas of Psychology and Mental Health, Freiburg, Germany
- Department of Neurosurgery and Neurotechnology, Institute for Neuromodulation and Neurotechnology, University of Tübingen, Tübingen, Germany
- *Correspondence: Shiva Khoshnoud,
| | | | - Marc Wittmann
- Institute for Frontier Areas of Psychology and Mental Health, Freiburg, Germany
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13
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Candia-Rivera D, Annen J, Gosseries O, Martial C, Thibaut A, Laureys S, Tallon-Baudry C. Neural Responses to Heartbeats Detect Residual Signs of Consciousness during Resting State in Postcomatose Patients. J Neurosci 2021; 41:5251-5262. [PMID: 33758019 PMCID: PMC8211547 DOI: 10.1523/jneurosci.1740-20.2021] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 11/21/2022] Open
Abstract
The neural monitoring of visceral inputs might play a role in first-person perspective (i.e., the unified viewpoint of subjective experience). In healthy participants, how the brain responds to heartbeats, measured as the heartbeat-evoked response (HER), correlates with perceptual, bodily, and self-consciousness. Here we show that HERs in resting-state EEG data distinguishes between postcomatose male and female human patients (n = 68, split into training and validation samples) with the unresponsive wakefulness syndrome and in patients in a minimally conscious state with high accuracy (random forest classifier, 87% accuracy, 96% sensitivity, and 50% specificity in the validation sample). Random EEG segments not locked to heartbeats were useful to predict unconsciousness/consciousness, but HERs were more accurate, indicating that HERs provide specific information on consciousness. HERs also led to more accurate classification than heart rate variability. HER-based consciousness scores correlate with glucose metabolism in the default-mode network node located in the right superior temporal sulcus, as well as with the right ventral occipitotemporal cortex. These results were obtained when consciousness was inferred from brain glucose met`abolism measured with positron emission topography. HERs reflected the consciousness diagnosis based on brain metabolism better than the consciousness diagnosis based on behavior (Coma Recovery Scale-Revised, 77% validation accuracy). HERs thus seem to capture a capacity for consciousness that does not necessarily translate into intentional overt behavior. These results confirm the role of HERs in consciousness, offer new leads for future bedside testing, and highlight the importance of defining consciousness and its neural mechanisms independently from behavior.
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Affiliation(s)
- Diego Candia-Rivera
- Laboratoire de Neurosciences Cognitives et Computationnelles, Département d'Etudes Cognitives, École Normale Supérieure, INSERM, Université PSL, 75005 Paris, France
| | - Jitka Annen
- GIGA-Consciousness, Coma Science Group, University of Liège, 4000 Liège, Belgium
- Centre du Cerveau, University Hospital of Liège, 4000 Liège, Belgium
| | - Olivia Gosseries
- GIGA-Consciousness, Coma Science Group, University of Liège, 4000 Liège, Belgium
- Centre du Cerveau, University Hospital of Liège, 4000 Liège, Belgium
| | - Charlotte Martial
- GIGA-Consciousness, Coma Science Group, University of Liège, 4000 Liège, Belgium
- Centre du Cerveau, University Hospital of Liège, 4000 Liège, Belgium
| | - Aurore Thibaut
- GIGA-Consciousness, Coma Science Group, University of Liège, 4000 Liège, Belgium
- Centre du Cerveau, University Hospital of Liège, 4000 Liège, Belgium
| | - Steven Laureys
- GIGA-Consciousness, Coma Science Group, University of Liège, 4000 Liège, Belgium
- Centre du Cerveau, University Hospital of Liège, 4000 Liège, Belgium
| | - Catherine Tallon-Baudry
- Laboratoire de Neurosciences Cognitives et Computationnelles, Département d'Etudes Cognitives, École Normale Supérieure, INSERM, Université PSL, 75005 Paris, France
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14
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Monti A, Porciello G, Panasiti MS, Aglioti SM. The inside of me: interoceptive constraints on the concept of self in neuroscience and clinical psychology. PSYCHOLOGICAL RESEARCH 2021; 86:2468-2477. [PMID: 34050431 DOI: 10.1007/s00426-021-01477-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Humans are unique in their ability to think about themselves and carry a more or less clear notion of who they are in their mind. Here we review recent evidence suggesting that the birth, maintenance, and loss of the abstract concept of 'self' is deeply tied to interoception, the sense of internal physiological signals. Interoception influences multiple facets of the self-concept, cutting across its material, social, moral, and agentive components. Overall, we argue that interoception contributes to the stability of the self-concept over time, unifying its layers and constraining the degree to which it is susceptible to external influences. Hence, the core features of the self-concept are those that correlate more with inner bodily states. We discuss the implications that this may have for theories of embodied cognition as well as for the understanding of psychiatric disorders in which the concept of self appears fragmented or loose. Finally, we formulate some empirical predictions that could be tested in future studies to shed further light on this emerging field.
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Affiliation(s)
- Alessandro Monti
- Sapienza, Università di Roma and CLNS@Sapienza, Istituto Italiano di Tecnologia, Rome, Italy.
| | - Giuseppina Porciello
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Dipartimento di Psicologia, Sapienza, Università di Roma, Rome, Italy
| | - Maria Serena Panasiti
- IRCCS Fondazione Santa Lucia, Rome, Italy.,Dipartimento di Psicologia, Sapienza, Università di Roma, Rome, Italy
| | - Salvatore Maria Aglioti
- Sapienza, Università di Roma and CLNS@Sapienza, Istituto Italiano di Tecnologia, Rome, Italy.,IRCCS Fondazione Santa Lucia, Rome, Italy
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15
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Tsakiris M, Vehar N, Tucciarelli R. Visceral politics: a theoretical and empirical proof of concept. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200142. [PMID: 33612001 DOI: 10.1098/rstb.2020.0142] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
While the study of affect and emotion has a long history in psychological sciences and neuroscience, the very question of how visceral states have come to the forefront of politics remains poorly understood. The concept of visceral politics captures how the physiological nature of our engagement with the social world influences how we make decisions, just as socio-political forces recruit our physiology to influence our socio-political behaviour. This line of research attempts to bridge the psychophysiological mechanisms that are responsible for our affective states with the historical socio-cultural context in which such states are experienced. We review findings and hypotheses at the intersections of life sciences, social sciences and humanities to shed light on how and why people come to experience such emotions in politics and what if any are their behavioural consequences. To answer these questions, we provide insights from predictive coding accounts of interoception and emotion and a proof of concept experiment to highlight the role of visceral states in political behaviour. This article is part of the theme issue 'The political brain: neurocognitive and computational mechanisms'.
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Affiliation(s)
- Manos Tsakiris
- The Warburg Institute, School of Advanced Study, University of London, London, UK.,Department of Psychology, Royal Holloway, University of London, London, UK.,Department of Behavioural and Cognitive Sciences, Faculty of Humanities, Education and Social Sciences, University of Luxembourg, Luxembourg
| | - Neza Vehar
- The Warburg Institute, School of Advanced Study, University of London, London, UK
| | - Raffaele Tucciarelli
- The Warburg Institute, School of Advanced Study, University of London, London, UK
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16
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Fanghella M, Era V, Candidi M. Interpersonal Motor Interactions Shape Multisensory Representations of the Peripersonal Space. Brain Sci 2021; 11:255. [PMID: 33669561 PMCID: PMC7922994 DOI: 10.3390/brainsci11020255] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 02/07/2023] Open
Abstract
This perspective review focuses on the proposal that predictive multisensory integration occurring in one's peripersonal space (PPS) supports individuals' ability to efficiently interact with others, and that integrating sensorimotor signals from the interacting partners leads to the emergence of a shared representation of the PPS. To support this proposal, we first introduce the features of body and PPS representations that are relevant for interpersonal motor interactions. Then, we highlight the role of action planning and execution on the dynamic expansion of the PPS. We continue by presenting evidence of PPS modulations after tool use and review studies suggesting that PPS expansions may be accounted for by Bayesian sensory filtering through predictive coding. In the central section, we describe how this conceptual framework can be used to explain the mechanisms through which the PPS may be modulated by the actions of our interaction partner, in order to facilitate interpersonal coordination. Last, we discuss how this proposal may support recent evidence concerning PPS rigidity in Autism Spectrum Disorder (ASD) and its possible relationship with ASD individuals' difficulties during interpersonal coordination. Future studies will need to clarify the mechanisms and neural underpinning of these dynamic, interpersonal modulations of the PPS.
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Affiliation(s)
- Martina Fanghella
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
- Department of Psychology, University of London, London EC1V 0HB, UK
| | - Vanessa Era
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
| | - Matteo Candidi
- Department of Psychology, Sapienza University, 00185 Rome, Italy; (M.F.); (V.E.)
- IRCCS Fondazione Santa Lucia, 00179 Rome, Italy
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17
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Quigley KS, Kanoski S, Grill WM, Barrett LF, Tsakiris M. Functions of Interoception: From Energy Regulation to Experience of the Self. Trends Neurosci 2021; 44:29-38. [PMID: 33378654 PMCID: PMC7780233 DOI: 10.1016/j.tins.2020.09.008] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/19/2020] [Accepted: 09/25/2020] [Indexed: 02/08/2023]
Abstract
We review recent work on the functions of interoceptive processing, by which the nervous system anticipates, senses, and integrates signals originating from the body. We focus on several exemplar functions of interoception, including energy regulation (ingestion and excretion), memory, affective and emotional experience, and the psychological sense of self. We emphasize two themes across these functions. First, the anatomy of interoceptive afferents makes it difficult to manipulate or directly measure interoceptive signaling in humans. Second, recent evidence shows that multimodal integration occurs across interoceptive modalities and between interoceptive and exteroceptive modalities. Whereas exteroceptive multimodal integration has been studied relatively extensively, fundamental questions remain regarding multimodal integration that involves interoceptive modalities. Future empirical work is required to better understand how and where multimodal interoceptive integration occurs.
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Affiliation(s)
- Karen S Quigley
- Department of Psychology, Northeastern University, Boston, MA, USA; Edith Nourse Rogers Memorial VA Hospital, Bedford, MA, USA.
| | - Scott Kanoski
- Department of Biological Sciences, University of Southern California, Los Angeles, CA, USA
| | - Warren M Grill
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Lisa Feldman Barrett
- Department of Psychology, Northeastern University, Boston, MA, USA; Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Manos Tsakiris
- Department of Psychology, Royal Holloway, University of London, London, UK; Department of Behavioural and Cognitive Sciences, Faculty of Humanities, Education and Social Sciences, University of Luxembourg, Luxembourg
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18
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Jung WM, Lee YS, Lee IS, Wallraven C, Ryu Y, Chae Y. Enhanced bodily states of fear facilitates bias perception of fearful faces. Mol Brain 2020; 13:157. [PMID: 33225980 PMCID: PMC7682010 DOI: 10.1186/s13041-020-00674-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 09/22/2020] [Indexed: 12/15/2022] Open
Abstract
We investigated whether enhanced interoceptive bodily states of fear would facilitate recognition of the fearful faces. Participants performed an emotional judgment task after a bodily imagery task inside a functional magnetic resonance imaging scanner. In the bodily imagery task, participants were instructed to imagine feeling the bodily sensations of two specific somatotopic patterns: a fear-associated bodily sensation (FBS) or a disgust-associated bodily sensation (DBS). They were shown faces expressing various levels of fearfulness and disgust and instructed to classify the facial expression as fear or disgust. We found a stronger bias favoring the “fearful face” under the congruent FBS condition than under the incongruent DBS condition. The brain response to fearful versus intermediate faces increased in the fronto-insular-temporal network under the FBS condition, but not the DBS condition. The fearful face elicited activity in the anterior cingulate cortex and extrastriate body area under the FBS condition relative to the DBS condition. Furthermore, functional connectivity between the anterior cingulate cortex/extrastriate body area and the fronto-insular-temporal network was modulated according to the specific bodily sensation. Our findings suggest that somatotopic patterns of bodily sensation provide informative access to the collective visceral state in the fear processing via the fronto-insular-temporal network.
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Affiliation(s)
- Won-Mo Jung
- Acupuncture & Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Ye-Seul Lee
- Department of Anatomy and Acupoint, College of Korean Medicine, Gachon University, Seongnam. 13306, Republic of Korea
| | - In-Seon Lee
- Acupuncture & Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Christian Wallraven
- Department of Artificial Intelligence, Department of Brain Cognitive Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Yeonhee Ryu
- KM Fundamental Research Division, Korea Institute of Oriental Medicine, Daejeon, 34054, Republic of Korea
| | - Younbyoung Chae
- Acupuncture & Meridian Science Research Center, College of Korean Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
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19
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Banellis L, Cruse D. Skipping a Beat: Heartbeat-Evoked Potentials Reflect Predictions during Interoceptive-Exteroceptive Integration. Cereb Cortex Commun 2020; 1:tgaa060. [PMID: 34296123 PMCID: PMC8153056 DOI: 10.1093/texcom/tgaa060] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 11/22/2022] Open
Abstract
Several theories propose that emotions and self-awareness arise from the integration of internal and external signals and their respective precision-weighted expectations. Supporting these mechanisms, research indicates that the brain uses temporal cues from cardiac signals to predict auditory stimuli and that these predictions and their prediction errors can be observed in the scalp heartbeat-evoked potential (HEP). We investigated the effect of precision modulations on these cross-modal predictive mechanisms, via attention and interoceptive ability. We presented auditory sequences at short (perceived synchronous) or long (perceived asynchronous) cardio-audio delays, with half of the trials including an omission. Participants attended to the cardio-audio synchronicity of the tones (internal attention) or the auditory stimuli alone (external attention). Comparing HEPs during omissions allowed for the observation of pure predictive signals, without contaminating auditory input. We observed an early effect of cardio-audio delay, reflecting a difference in heartbeat-driven expectations. We also observed a larger positivity to the omissions of sounds perceived as synchronous than to the omissions of sounds perceived as asynchronous when attending internally only, consistent with the role of attentional precision for enhancing predictions. These results provide support for attentionally modulated cross-modal predictive coding and suggest a potential tool for investigating its role in emotion and self-awareness.
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Affiliation(s)
- Leah Banellis
- School of Psychology and Centre for Human Brain Health, University of Birmingham, Edgbaston B15 2TT, UK
| | - Damian Cruse
- School of Psychology and Centre for Human Brain Health, University of Birmingham, Edgbaston B15 2TT, UK
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20
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Yoris A, Legaz A, Abrevaya S, Alarco S, López Peláez J, Sánchez R, García AM, Ibáñez A, Sedeño L. Multicentric evidence of emotional impairments in hypertensive heart disease. Sci Rep 2020; 10:14131. [PMID: 32839479 PMCID: PMC7445248 DOI: 10.1038/s41598-020-70451-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 07/02/2020] [Indexed: 12/12/2022] Open
Abstract
The mechanisms underlying emotional alterations constitute a key research target in neuroscience. Emerging evidence indicates that these disruptions can be related to abnormal interoception (i.e., the sensing of visceral feelings), as observed in patients with cardiodynamic deficits. To directly assess these links, we performed the first multicenter study on emotion recognition and interoception in patients with hypertensive heart disease (HHD). Participants from two countries completed a facial emotion recognition test, and a subsample additionally underwent an interoception protocol based on a validated heartbeat detection task. HHD patients from both countries presented deficits in the recognition of overall and negative emotions. Moreover, interoceptive performance was impaired in the HHD group. In addition, a significant association between interoceptive performance and emotion recognition was observed in the control group, but this relation was abolished in the HHD group. All results survived after covariance with cognitive status measures, suggesting they were not biased by general cognitive deficits in the patients. Taken together, these findings suggest that emotional recognition alterations could represent a sui generis deficit in HHD, and that it may be partially explained by the disruption of mechanisms subserving the integration of neuro-visceral signals.
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Affiliation(s)
- Adrián Yoris
- Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina
| | - Agustina Legaz
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina
- Universidad de San Andrés, Buenos Aires, Argentina
| | - Sofía Abrevaya
- Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina
| | - Sofía Alarco
- Institute of Cognitive and Translational Neuroscience (INCYT), INECO Foundation, Favaloro University, Buenos Aires, Argentina
| | | | - Ramiro Sánchez
- Metabolic and Arterial Hypertension Unit, Favaloro Foundation Hospital, Buenos Aires, Argentina
| | - Adolfo M García
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina
- Universidad de San Andrés, Buenos Aires, Argentina
- Faculty of Education, National University of Cuyo (UNCuyo), Mendoza, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
- Global Brain Health Institute, University of California, San Francisco, USA
| | - Agustín Ibáñez
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina
- Universidad de San Andrés, Buenos Aires, Argentina
- Global Brain Health Institute, University of California, San Francisco, USA
- Universidad Autónoma del Caribe, Barranquilla, Colombia
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Lucas Sedeño
- National Scientific and Technical Research Council (CONICET), Pacheco de Melo 1860, C1126AAB, Buenos Aires, Argentina.
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21
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Kato Y, Takei Y, Umeda S, Mimura M, Fukuda M. Alterations of Heartbeat Evoked Magnetic Fields Induced by Sounds of Disgust. Front Psychiatry 2020; 11:683. [PMID: 32792994 PMCID: PMC7387694 DOI: 10.3389/fpsyt.2020.00683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/30/2020] [Indexed: 12/18/2022] Open
Abstract
The majority of the models of emotional processing attribute subjective emotional feelings to physiological changes in the internal milieu, which are sensed by the interoceptive system. These physiological reactions evoked by emotional phenomena occur via the autonomic nervous system, and give rise to alterations in body-mind interactions that are characterized by heartbeat evoked magnetic fields (HEFs) involving brain regions associated with emotional perception. The current study used magnetoencephalography (MEG) to examine regional cortical activity and connectivity changes in HEFs provoked by the emotion of disgust. MEG results from 39 healthy subjects (22 female) revealed that passively listening to sounds of disgust elicited right insular cortical activity and enhancement of cortical connectivity between the right anterior ventral insular cortex and left ventromedial prefrontal cortex, demonstrated by phase lag indexes in the beta frequency range. Furthermore, inter-trial coherence significantly increased at 19 Hz and 23 Hz, and decreased at 14 Hz, which highlights the involvement of low beta oscillations in emotional processing. As these results were based on spontaneously triggered bioelectrical signals, more indigenous and induced signals were extracted with a block designed experiment. The insular cortices play an important role in emotional regulation and perception as the main cortical target for signals with interoceptive information, providing direct substrates of emotional feelings. The current results provide a novel insight into frequency properties of emotional processing, and suggest that emotional arousal evoked by listening to sounds of disgust partially impact the autonomic nervous system, altering HEFs via connectivity changes in the right anterior ventral insular cortex and left ventromedial prefrontal cortex.
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Affiliation(s)
- Yutaka Kato
- Tsutsuji Mental Hospital, Gunma, Japan.,Department of Psychiatry and Neuroscience, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yuichi Takei
- Department of Psychiatry and Neuroscience, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Satoshi Umeda
- Department of Psychology, Keio University, Tokyo, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Masato Fukuda
- Department of Psychiatry and Neuroscience, Gunma University Graduate School of Medicine, Maebashi, Japan
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22
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Ma K, Hommel B, Chen H. Context-induced contrast and assimilation effects in explicit and implicit measures of agency. Sci Rep 2019; 9:3883. [PMID: 30846800 PMCID: PMC6405998 DOI: 10.1038/s41598-019-40545-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 02/11/2019] [Indexed: 11/25/2022] Open
Abstract
Virtual-hand-illusion studies often use explicit and implicit measures of body ownership but no agreed-on implicit measure of agency exists. We investigated whether the Intentional Binding (IB) effect could serve as such a measure. A pilot study confirmed that current consistency increases both perceived agency and IB. In three experiments, current consistency was 50% but the previously experienced consistency was either 100% or 0%. When previous and present consistency experience were separated by a short break, both explicit judgments and IB showed a contrast effect. Eliminating the break reversed the effect in explicit agency but not in IB; and making the transition between previous and present consistency smoother replicated the effect for explicit agency but reversed the pattern for IB. Our findings suggest that explicit agency and IB rely on different sources of information, presumably including cross-sensory correlations, predictions of expected action-effects, and comparisons between present and previous consistency experiences.
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Affiliation(s)
- Ke Ma
- Key Laboratory of Personality and Cognition, Faculty of Psychology, Southwest University, Beibei, Chongqing, China.
| | - Bernhard Hommel
- Institute for Psychological Research &Leiden Institute for Brain and Cognition, Leiden University, Leiden, The Netherlands
| | - Hong Chen
- Key Laboratory of Personality and Cognition, Faculty of Psychology, Southwest University, Beibei, Chongqing, China.
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23
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Babo-Rebelo M, Buot A, Tallon-Baudry C. Neural responses to heartbeats distinguish self from other during imagination. Neuroimage 2019; 191:10-20. [PMID: 30738205 PMCID: PMC6503945 DOI: 10.1016/j.neuroimage.2019.02.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 01/31/2019] [Accepted: 02/05/2019] [Indexed: 02/02/2023] Open
Abstract
Imagination is an internally-generated process, where one can make oneself or other people appear as protagonists of a scene. How does the brain tag the protagonist of an imagined scene as being oneself or someone else? Crucially, during imagination, neither external stimuli nor motor feedback are available to disentangle imagining oneself from imagining someone else. Here, we test the hypothesis that an internal mechanism based on the neural monitoring of heartbeats could distinguish between self and other. 23 participants imagined themselves (from a first-person perspective) or a friend (from a third-person perspective) in various scenarios, while their brain activity was recorded with magnetoencephalography and their cardiac activity was simultaneously monitored. We measured heartbeat-evoked responses, i.e. transients of neural activity occurring in response to each heartbeat, during imagination. The amplitude of heartbeat-evoked responses differed between imagining oneself and imagining a friend, in the precuneus and posterior cingulate regions bilaterally. Effect size was modulated by the daydreaming frequency scores of participants but not by their interoceptive abilities. These results could not be accounted for by other characteristics of imagination (e.g., the ability to adopt the perspective, valence or arousal), nor by cardiac parameters (e.g., heart rate) or arousal levels (e.g. arousal ratings, pupil diameter). Heartbeat-evoked responses thus appear as a neural marker distinguishing self from other during imagination. Heartbeat-evoked responses differentiate self from other during imagination. These effects were located in the precuneus and posterior cingulate. The neural monitoring of the heart could be a mechanism for self/other distinction.
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Affiliation(s)
- Mariana Babo-Rebelo
- Laboratoire de Neurosciences Cognitives et Computationnelles, Inserm, Ecole Normale Supérieure, PSL University, Paris, France; Sorbonne Université, Inserm U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle Epinière, ICM, Ecole Normale Supérieure, ENS, Centre MEG-EEG, F-75013, Paris, France.
| | - Anne Buot
- Laboratoire de Neurosciences Cognitives et Computationnelles, Inserm, Ecole Normale Supérieure, PSL University, Paris, France
| | - Catherine Tallon-Baudry
- Laboratoire de Neurosciences Cognitives et Computationnelles, Inserm, Ecole Normale Supérieure, PSL University, Paris, France
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24
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Marshall AC, Gentsch A, Schröder L, Schütz-Bosbach S. Cardiac interoceptive learning is modulated by emotional valence perceived from facial expressions. Soc Cogn Affect Neurosci 2019; 13:677-686. [PMID: 29868834 PMCID: PMC6121145 DOI: 10.1093/scan/nsy042] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/29/2018] [Indexed: 12/20/2022] Open
Abstract
Interoception refers to the processing of homeostatic bodily signals. Research demonstrates that interoceptive markers can be modulated via exteroceptive stimuli and suggests that the emotional content of this information may produce distinct interoceptive outcomes. Here, we explored the impact of differently valenced exteroceptive information on the processing of interoceptive signals. Participants completed a repetition-suppression paradigm viewing repeating or alternating faces. In experiment 1, faces wore either angry or pained expressions to explore the interoceptive response to different types of negative stimuli in the observer. In experiment 2, expressions were happy or sad to compare interoceptive processing of positive and negative information. We measured the heartbeat evoked potential (HEP) and visual evoked potentials (VEPs) as a respective marker of intero- and exteroceptive processing. We observed increased HEP amplitude to repeated sad and pained faces coupled with reduced HEP and VEP amplitude to repeated angry faces. No effects were observed for positive faces. However, we found a significant correlation between suppression of the HEP and VEP to repeating angry faces. Results highlight an effect of emotional expression on interoception and suggest an attentional trade-off between internal and external processing domains as a potential account of this phenomenon.
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Affiliation(s)
- Amanda C Marshall
- General and Experimental Psychology Unit, Department of Psychology, Ludwig-Maximilians University Munich, D-80802 Munich, Germany
| | - Antje Gentsch
- General and Experimental Psychology Unit, Department of Psychology, Ludwig-Maximilians University Munich, D-80802 Munich, Germany
| | - Lena Schröder
- General and Experimental Psychology Unit, Department of Psychology, Ludwig-Maximilians University Munich, D-80802 Munich, Germany
| | - Simone Schütz-Bosbach
- General and Experimental Psychology Unit, Department of Psychology, Ludwig-Maximilians University Munich, D-80802 Munich, Germany
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Going at the heart of social cognition: is there a role for interoception in self-other distinction? Curr Opin Psychol 2018; 24:21-26. [DOI: 10.1016/j.copsyc.2018.04.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 03/06/2018] [Accepted: 04/11/2018] [Indexed: 12/30/2022]
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Gentsch A, Sel A, Marshall AC, Schütz-Bosbach S. Affective interoceptive inference: Evidence from heart-beat evoked brain potentials. Hum Brain Mapp 2018; 40:20-33. [PMID: 30159945 DOI: 10.1002/hbm.24352] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 07/14/2018] [Accepted: 08/01/2018] [Indexed: 12/18/2022] Open
Abstract
The perception of internal bodily signals (interoception) is central to many theories of emotion and embodied cognition. According to recent theoretical views, the sensory processing of visceral signals such as one's own heartbeat is determined by top-down predictions about the expected interoceptive state of the body (interoceptive inference). In this EEG study we examined neural responses to heartbeats following expected and unexpected emotional stimuli. We used a modified stimulus repetition task in which pairs of facial expressions were presented with repeating or alternating emotional content, and we manipulated the emotional valence and the likelihood of stimulus repetition. We found that affective predictions of external socially relevant information modulated the heartbeat-evoked potential, a marker of cardiac interoception. Crucially, the HEP changes highly relied on the expected emotional content of the facial expression. Thus, expected negative faces led to a decreased HEP amplitude, whereas such an effect was not observed after an expected neutral face. These results suggest that valence-specific affective predictions, and their uniquely associated predicted bodily sensory state, can reduce or amplify cardiac interoceptive responses. In addition, the affective repetition effects were dependent on repetition probability, highlighting the influence of top-down exteroceptive predictions on interoception. Our results are in line with recent models of interoception supporting the idea that predicted bodily states influence sensory processing of salient external information.
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Affiliation(s)
- Antje Gentsch
- Department of Psychology, General and Experimental Psychology Unit, Ludwig-Maximilians University, Munich, Germany
| | - Alejandra Sel
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom
| | - Amanda C Marshall
- Department of Psychology, General and Experimental Psychology Unit, Ludwig-Maximilians University, Munich, Germany
| | - Simone Schütz-Bosbach
- Department of Psychology, General and Experimental Psychology Unit, Ludwig-Maximilians University, Munich, Germany
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27
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Salomon R, Ronchi R, Dönz J, Bello-Ruiz J, Herbelin B, Faivre N, Schaller K, Blanke O. Insula mediates heartbeat related effects on visual consciousness. Cortex 2018; 101:87-95. [PMID: 29459283 DOI: 10.1016/j.cortex.2018.01.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 12/20/2017] [Accepted: 01/15/2018] [Indexed: 12/13/2022]
Abstract
Interoceptive signals, such as the heartbeat, are processed in a network of brain regions including the insular cortex. Recent studies have shown that such signals modulate perceptual and cognitive processing, and that they impact visual awareness. For example, visual stimuli presented synchronously to the heartbeat take longer to enter visual awareness than the same stimuli presented asynchronously to the heartbeat, and this is reflected in anterior insular activation. This finding demonstrated a link between the processing of interoceptive and exteroceptive signals as well as visual awareness in the insular cortex. The advantage for visual stimuli which are asynchronous to the heartbeat to enter visual consciousness may indicate a role for the anterior insula in the suppression of the sensory consequences of cardiac signals. Here, we present data from the detailed investigation of two patients with insular lesions (as well as four patients with non-insular lesions and healthy age matched controls) indicating that a lesion of the anterior insular cortex, but not of other regions, abolished this cardio-visual suppression effect. The present data provide causal evidence for the role of the anterior insula in the integration of internal interoceptive and external sensory signals for visual awareness.
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Affiliation(s)
- Roy Salomon
- Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel; Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland.
| | - Roberta Ronchi
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland
| | - Jonathan Dönz
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland
| | - Javier Bello-Ruiz
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland
| | - Bruno Herbelin
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland
| | - Nathan Faivre
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Centre d'Economie de La Sorbonne, CNRS UMR, Paris, France
| | - Karl Schaller
- Department of Neurology, University Hospital, Geneva, Switzerland; Neurosurgery Division, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland
| | - Olaf Blanke
- Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Center for Neuroprosthetics, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Geneva, Switzerland; Department of Neurology, University Hospital, Geneva, Switzerland; Neurosurgery Division, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland
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28
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Faivre N, Arzi A, Lunghi C, Salomon R. Consciousness is more than meets the eye: a call for a multisensory study of subjective experience. Neurosci Conscious 2017; 2017:nix003. [PMID: 30042838 PMCID: PMC6007148 DOI: 10.1093/nc/nix003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 02/06/2017] [Accepted: 02/16/2017] [Indexed: 11/17/2022] Open
Abstract
Over the last 30 years, our understanding of the neurocognitive bases of consciousness has improved, mostly through studies employing vision. While studying consciousness in the visual modality presents clear advantages, we believe that a comprehensive scientific account of subjective experience must not neglect other exteroceptive and interoceptive signals as well as the role of multisensory interactions for perceptual and self-consciousness. Here, we briefly review four distinct lines of work which converge in documenting how multisensory signals are processed across several levels and contents of consciousness. Namely, how multisensory interactions occur when consciousness is prevented because of perceptual manipulations (i.e. subliminal stimuli) or because of low vigilance states (i.e. sleep, anesthesia), how interactions between exteroceptive and interoceptive signals give rise to bodily self-consciousness, and how multisensory signals are combined to form metacognitive judgments. By describing the interactions between multisensory signals at the perceptual, cognitive, and metacognitive levels, we illustrate how stepping out the visual comfort zone may help in deriving refined accounts of consciousness, and may allow cancelling out idiosyncrasies of each sense to delineate supramodal mechanisms involved during consciousness.
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Affiliation(s)
- Nathan Faivre
- Laboratory of Cognitive Neuroscience, Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland
- Centre d’Economie de la Sorbonne, CNRS UMR 8174, Paris, France
| | - Anat Arzi
- Department of Psychology, University of Cambridge, Cambridge, UK
| | - Claudia Lunghi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
- Institute of Neuroscience, National Research Council (CNR), Pisa, Italy
| | - Roy Salomon
- Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat-Gan, Israel
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29
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Porciello G, Minio-Paluello I, Bufalari I. Commentary: Attentional control and the self: The Self Attention Network (SAN). Front Psychol 2016; 7:1701. [PMID: 27857699 PMCID: PMC5093136 DOI: 10.3389/fpsyg.2016.01701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 10/14/2016] [Indexed: 12/17/2022] Open
Affiliation(s)
- Giuseppina Porciello
- Department of Psychology, "Sapienza," University of RomeRome, Italy; Social and Cognitive Neuroscience Laboratory, IRCCS Fondazione Santa LuciaRome, Italy
| | - Ilaria Minio-Paluello
- Department of Psychology, "Sapienza," University of RomeRome, Italy; Social and Cognitive Neuroscience Laboratory, IRCCS Fondazione Santa LuciaRome, Italy
| | - Ilaria Bufalari
- Social and Cognitive Neuroscience Laboratory, IRCCS Fondazione Santa LuciaRome, Italy; Department of Psychology of Developmental and Socialization Processes, "Sapienza," University of RomeRome, Italy
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