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Matias J, Belletier C, Izaute M, Lutz M, Silvert L. The role of perceptual and cognitive load on inattentional blindness: A systematic review and three meta-analyses. Q J Exp Psychol (Hove) 2021; 75:1844-1875. [PMID: 34802311 DOI: 10.1177/17470218211064903] [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: 11/15/2022]
Abstract
The inattentional blindness phenomenon refers to situations in which a visible but unexpected stimulus remains consciously unnoticed by observers. This phenomenon is classically explained as the consequence of insufficient attention, because attentional resources are already engaged elsewhere or vary between individuals. However, this attentional-resources view is broad and often imprecise regarding the variety of attentional models, the different pools of resources that can be involved in attentional tasks, and the heterogeneity of the experimental paradigms. Our aim was to investigate whether a classic theoretical model of attention, namely the Load Theory, could account for a large range of empirical findings in this field by distinguishing the role of perceptual and cognitive resources in attentional selection and attentional capture by irrelevant stimuli. As this model has been mostly built on implicit measures of distractor interference, it is unclear whether its predictions also hold when explicit and subjective awareness of an unexpected stimulus is concerned. Therefore, we conducted a systematic review and meta-analyses of inattentional blindness studies investigating the role of perceptual and/or cognitive resources. The results reveal that, in line with the perceptual account of the Load Theory, inattentional blindness significantly increases with the perceptual load of the task. However, the cognitive account of this theory is not clearly supported by the empirical findings analysed here. Furthermore, the interaction between perceptual and cognitive load on inattentional blindness remains understudied. Theoretical implications for the Load Theory are discussed, notably regarding the difference between attentional capture and subjective awareness paradigms, and further research directions are provided.
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Affiliation(s)
- Jérémy Matias
- Laboratoire de Psychologie Sociale et Cognitive (LAPSCO), Université Clermont Auvergne-CNRS, Clermont-Ferrand, France
| | - Clément Belletier
- Laboratoire de Psychologie Sociale et Cognitive (LAPSCO), Université Clermont Auvergne-CNRS, Clermont-Ferrand, France
| | - Marie Izaute
- Laboratoire de Psychologie Sociale et Cognitive (LAPSCO), Université Clermont Auvergne-CNRS, Clermont-Ferrand, France
| | - Matthieu Lutz
- Innovation Procédés Industriels, Michelin Recherche et Développement, Clermont-Ferrand, France
| | - Laetitia Silvert
- Laboratoire de Psychologie Sociale et Cognitive (LAPSCO), Université Clermont Auvergne-CNRS, Clermont-Ferrand, France
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Gunduz H, Gunduz T, Ozkan Ceylan A. EXPRESS: High Bladder Pressure Reduces the Ability to Filter Out Interference From Distractors in Low Perceptual Load Condition. Q J Exp Psychol (Hove) 2021; 75:2219-2231. [PMID: 34892987 DOI: 10.1177/17470218211068828] [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: 11/17/2022]
Abstract
According to the load theory of attention, an active cognitive control mechanism is needed to ensure that behavior is controlled by target-relevant information when distractors are also perceived. Although the active cognitive control mechanism consists of working memory, cognitive flexibility, and inhibition components, predictions regarding the load effects of this mechanism were derived mostly from studies on working memory. We aimed to test whether these predictions are also valid for an inhibition component. The inhibitory load was manipulated physiologically by creating different bladder pressure and its effects on distractor interference were examined under low and high perceptual load conditions. Results indicated that the availability of inhibitory control resources was important for decreasing the interference of distractors in the low perceptual load condition and that the high perceptual load reduced the effects of distractors independently from the availability of inhibitory resources. Results were consistent with the predictions of load theory, and to the best of our knowledge, the study provided the first piece of evidence in terms of the load effect of inhibition component on distractor interference.
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Affiliation(s)
- Hasan Gunduz
- Department of Psychology, Hacettepe University, Ankara, Turkey 37515
| | - Turan Gunduz
- Department of Psychology, Ankara University, Ankara, Turkey 37504
| | - Arzu Ozkan Ceylan
- Department of Psychology, Hacettepe University, Ankara, Turkey 37515
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The cognitive loci of the display and task-relevant set size effects on distractor interference: Evidence from a dual-task paradigm. Atten Percept Psychophys 2017; 80:337-351. [PMID: 29124674 DOI: 10.3758/s13414-017-1442-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The congruency effect of a task-irrelevant distractor has been found to be modulated by task-relevant set size and display set size. The present study used a psychological refractory period (PRP) paradigm to examine the cognitive loci of the display set size effect (dilution effect) and the task-relevant set size effect (perceptual load effect) on distractor interference. A tone discrimination task (Task 1), in which a response was made to the pitch of the target tone, was followed by a letter discrimination task (Task 2) in which different types of visual target display were used. In Experiment 1, in which display set size was manipulated to examine the nature of the display set size effect on distractor interference in Task 2, the modulation of the congruency effect by display set size was observed at both short and long stimulus-onset asynchronies (SOAs), indicating that the display set size effect occurred after the target was selected for processing in the focused attention stage. In Experiment 2, in which task-relevant set size was manipulated to examine the nature of the task-relevant set size effect on distractor interference in Task 2, the effects of task-relevant set size increased with SOA, suggesting that the target selection efficiency in the preattentive stage was impaired with increasing task-relevant set size. These results suggest that display set size and task-relevant set size modulate distractor processing in different ways.
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Murphy G, Greene CM. Visual feature vs. conjunction searches as a robust manipulation of perceptual load. JOURNAL OF COGNITIVE PSYCHOLOGY 2016. [DOI: 10.1080/20445911.2016.1256888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Gillian Murphy
- School of Applied Psychology, University College Cork, Cork, Ireland
| | - Ciara M. Greene
- School of Psychology, University College Dublin, Dublin, Ireland
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Torralbo A, Kelley TA, Rees G, Lavie N. Attention induced neural response trade-off in retinotopic cortex under load. Sci Rep 2016; 6:33041. [PMID: 27625311 PMCID: PMC5021995 DOI: 10.1038/srep33041] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Accepted: 08/12/2016] [Indexed: 11/30/2022] Open
Abstract
The effects of perceptual load on visual cortex response to distractors are well established and various phenomena of ‘inattentional blindness’ associated with elimination of visual cortex response to unattended distractors, have been documented in tasks of high load. Here we tested an account for these effects in terms of a load-induced trade-off between target and distractor processing in retinotopic visual cortex. Participants were scanned using fMRI while performing a visual-search task and ignoring distractor checkerboards in the periphery. Retinotopic responses to target and distractors were assessed as a function of search load (comparing search set-sizes two, three and five). We found that increased load not only increased activity in frontoparietal network, but also had opposite effects on retinotopic responses to target and distractors. Target-related signals in areas V2–V3 linearly increased, while distractor response linearly decreased, with increased load. Critically, the slopes were equivalent for both load functions, thus demonstrating resource trade-off. Load effects were also found in displays with the same item number in the distractor hemisphere across different set sizes, thus ruling out local intrahemispheric interactions as the cause. Our findings provide new evidence for load theory proposals of attention resource sharing between target and distractor leading to inattentional blindness.
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Affiliation(s)
- Ana Torralbo
- Institute of Cognitive Neuroscience, University College London, London, UK
| | - Todd A Kelley
- Institute of Cognitive Neuroscience, University College London, London, UK
| | - Geraint Rees
- Institute of Cognitive Neuroscience, University College London, London, UK.,Wellcome Trust Centre for Neuroimaging, University College London, London, WC1N 3BG, UK
| | - Nilli Lavie
- Institute of Cognitive Neuroscience, University College London, London, UK
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Tillmann J, Olguin A, Tuomainen J, Swettenham J. The effect of visual perceptual load on auditory awareness in autism spectrum disorder. J Autism Dev Disord 2016; 45:3297-307. [PMID: 26043848 DOI: 10.1007/s10803-015-2491-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Recent work on visual selective attention has shown that individuals with Autism Spectrum Disorder (ASD) demonstrate an increased perceptual capacity. The current study examined whether increasing visual perceptual load also has less of an effect on auditory awareness in children with ASD. Participants performed either a high- or low load version of a line discrimination task. On a critical trial, an unexpected, task-irrelevant auditory stimulus was played concurrently with the visual stimulus. In contrast to typically developing (TD) children, children with ASD demonstrated similar detection rates across perceptual load conditions, and reported greater awareness than TD children in the high perceptual load condition. These findings suggest an increased perceptual capacity in children with ASD that operates across sensory modalities.
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Affiliation(s)
- Julian Tillmann
- Department of Developmental Science, University College London, 2 Wakefield Street, WC1N 1PF, London, UK.
| | - Andrea Olguin
- Department of Developmental Science, University College London, 2 Wakefield Street, WC1N 1PF, London, UK
| | - Jyrki Tuomainen
- Speech, Hearing & Phonetic Sciences, University College London, 2 Wakefield Street, WC1N 1PF, London, UK
| | - John Swettenham
- Department of Developmental Science, University College London, 2 Wakefield Street, WC1N 1PF, London, UK
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Abstract
A key tenet of feature integration theory and of related theories such as guided search (GS) is that the binding of basic features requires attention. This would seem to predict that conjunctions of features of objects that have not been attended should not influence search. However, Found (1998) reported that an irrelevant feature (size) improved the efficiency of search for a Color × Orientation conjunction if it was correlated with the other two features across the display, as compared to the case in which size was not correlated with color and orientation features. We examined this issue with somewhat different stimuli. We used triple conjunctions of color, orientation, and shape (e.g., search for a red, vertical, oval-shaped item). This allowed us to manipulate the number of features that each distractor shared with the target (sharing) and it allowed us to vary the total number of distractor types (and, thus, the number of groups of identical items: grouping). We found that these triple conjunction searches were generally very efficient--producing very shallow Reaction Time × Set Size slopes, consistent with strong guidance by basic features. Nevertheless, both of the variables, sharing and grouping, modulated performance. These influences were not predicted by previous accounts of GS; however, both can be accommodated in a GS framework. Alternatively, it is possible, though not necessary, to see these effects as evidence for "preattentive binding" of conjunctions.
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Sy JL, Guerin SA, Stegman A, Giesbrecht B. Accurate expectancies diminish perceptual distraction during visual search. Front Hum Neurosci 2014; 8:334. [PMID: 24904374 PMCID: PMC4034704 DOI: 10.3389/fnhum.2014.00334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 05/03/2014] [Indexed: 11/28/2022] Open
Abstract
The load theory of visual attention proposes that efficient selective perceptual processing of task-relevant information during search is determined automatically by the perceptual demands of the display. If the perceptual demands required to process task-relevant information are not enough to consume all available capacity, then the remaining capacity automatically and exhaustively “spills-over” to task-irrelevant information. The spill-over of perceptual processing capacity increases the likelihood that task-irrelevant information will impair performance. In two visual search experiments, we tested the automaticity of the allocation of perceptual processing resources by measuring the extent to which the processing of task-irrelevant distracting stimuli was modulated by both perceptual load and top-down expectations using behavior, functional magnetic resonance imaging, and electrophysiology. Expectations were generated using a trial-by-trial cue that provided information about the likely load of the upcoming visual search task. When the cues were valid, behavioral interference was eliminated and the influence of load on frontoparietal and visual cortical responses was attenuated relative to when the cues were invalid. In conditions in which task-irrelevant information interfered with performance and modulated visual activity, individual differences in mean blood oxygenation level dependent responses measured from the left intraparietal sulcus were negatively correlated with individual differences in the severity of distraction. These results are consistent with the interpretation that a top-down biasing mechanism interacts with perceptual load to support filtering of task-irrelevant information.
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Affiliation(s)
- Jocelyn L Sy
- Department of Psychological Sciences, Vanderbilt University Nashville, TN, USA
| | - Scott A Guerin
- Department of Psychology, Yale University New Haven, CT, USA
| | - Anna Stegman
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, CA, USA
| | - Barry Giesbrecht
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, CA, USA ; Institute for Collaborative Biotechnologies, University of California Santa Barbara, Santa Barbara, CA, USA
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Mevorach C, Tsal Y, Humphreys GW. Low level perceptual, not attentional, processes modulate distractor interference in high perceptual load displays: evidence from neglect/extinction. Front Psychol 2014; 4:966. [PMID: 24454297 PMCID: PMC3887320 DOI: 10.3389/fpsyg.2013.00966] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 12/07/2013] [Indexed: 12/18/2022] Open
Abstract
According to perceptual load theory (Lavie, 2005) distractor interference is determined by the availability of attentional resources. If target processing does not exhaust resources (with low perceptual load) distractor processing will take place resulting in interference with a primary task; however, when target processing uses-up attentional capacity (with high perceptual load) interference can be avoided. An alternative account (Tsal and Benoni, 2010a) suggests that perceptual load effects can be based on distractor dilution by the mere presence of additional neutral items in high-load displays so that the effect is not driven by the amount of attention resources required for target processing. Here we tested whether patients with unilateral neglect or extinction would show dilution effects from neutral items in their contralesional (neglected/extinguished) field, even though these items do not impose increased perceptual load on the target and at the same time attract reduced attentional resources compared to stimuli in the ipsilesional field. Thus, such items do not affect the amount of attention resources available for distractor processing. We found that contralesional neutral elements can eliminate distractor interference as strongly as centrally presented ones in neglect/extinction patients, despite contralesional items being less well attended. The data are consistent with an account in terms of perceptual dilution of distracters rather than available resources for distractor processing. We conclude that distractor dilution can underlie the elimination of distractor interference in visual displays.
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Affiliation(s)
- Carmel Mevorach
- Behavioural Brain Sciences Centre, School of Psychology, University of Birmingham Birmingham, UK
| | - Yehoshua Tsal
- Department of Psychology, Tel Aviv University Tel Aviv, Israel ; Department of Psychology, The College of Management Academic Studies Israel
| | - Glyn W Humphreys
- Department of Experimental Psychology, University of Oxford Oxford, UK
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Abstract
The positive effect of losses on performance has been explained as stemming from the increased weighting of losses relative to gains. We examine an alternative possibility whereby this effect is mediated by attentional processes. Using the dual-task paradigm, we expected that positive effects of losses on performance would emerge under attentional scarcity and diffuse to a concurrently presented task. In Study 1, decision performance was compared for a task that involved either gains or losses and was performed either alone or as a secondary task. The results showed a significant 40% improvement in performance in the loss condition, but only under conditions of resource scarcity, when the task was a secondary one. In Study 2, the same task was presented as a primary task. Again, losses were associated with improved performance in the secondary task. Given that this secondary task did not include losses, these findings demonstrate an attentional spillover effect.
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Affiliation(s)
- Eldad Yechiam
- 1Max Wertheimer Minerva Center for Cognitive Studies, Technion-Israel Institute of Technology
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Thoma V, Lavie N. Perceptual load effects on processing distractor faces indicate face-specific capacity limits. VISUAL COGNITION 2013. [DOI: 10.1080/13506285.2013.853717] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Benoni H, Tsal Y. Conceptual and methodological concerns in the theory of perceptual load. Front Psychol 2013; 4:522. [PMID: 23964262 PMCID: PMC3741554 DOI: 10.3389/fpsyg.2013.00522] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 07/24/2013] [Indexed: 11/18/2022] Open
Abstract
The present paper provides a short critical review of the theory of perceptual load. It closely examines the basic tenets and assumptions of the theory and identifies major conceptual and methodological problems that have been largely ignored in the literature. The discussion focuses on problems in the definition of the concept of perceptual load, on the circularity in the characterization and manipulation of perceptual load and the confusion between the concept of perceptual load and its operationalization. The paper also selectively reviews evidence supporting the theory as well as inconsistent evidence which proposed alternative dominant factors influencing the efficacy of attentional selection.
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Affiliation(s)
- Hanna Benoni
- Department of Psychology, Tel-Aviv University Tel-Aviv, Israel
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Parks NA, Beck DM, Kramer AF. Enhancement and suppression in the visual field under perceptual load. Front Psychol 2013; 4:275. [PMID: 23734135 PMCID: PMC3661944 DOI: 10.3389/fpsyg.2013.00275] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 04/28/2013] [Indexed: 11/13/2022] Open
Abstract
The perceptual load theory of attention proposes that the degree to which visual distractors are processed is a function of the attentional demands of a task-greater demands increase filtering of irrelevant distractors. The spatial configuration of such filtering is unknown. Here, we used steady-state visual evoked potentials (SSVEPs) in conjunction with time-domain event-related potentials (ERPs) to investigate the distribution of load-induced distractor suppression and task-relevant enhancement in the visual field. Electroencephalogram (EEG) was recorded while subjects performed a foveal go/no-go task that varied in perceptual load. Load-dependent distractor suppression was assessed by presenting a contrast reversing ring at one of three eccentricities (2, 6, or 11°) during performance of the go/no-go task. Rings contrast reversed at 8.3 Hz, allowing load-dependent changes in distractor processing to be tracked in the frequency-domain. ERPs were calculated to the onset of stimuli in the load task to examine load-dependent modulation of task-relevant processing. Results showed that the amplitude of the distractor SSVEP (8.3 Hz) was attenuated under high perceptual load (relative to low load) at the most proximal (2°) eccentricity but not at more eccentric locations (6 or 11°). Task-relevant ERPs revealed a significant increase in N1 amplitude under high load. These results are consistent with a center-surround configuration of load-induced enhancement and suppression in the visual field.
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Affiliation(s)
- Nathan A. Parks
- Beckman Institute, University of Illinois Urbana-ChampaignUrbana, IL, USA
- Department of Psychological Science, University of ArkansasFayetteville, AR, USA
| | - Diane M. Beck
- Beckman Institute, University of Illinois Urbana-ChampaignUrbana, IL, USA
- Department of Psychology, University of Illinois Urbana-ChampaignUrbana, IL, USA
| | - Arthur F. Kramer
- Beckman Institute, University of Illinois Urbana-ChampaignUrbana, IL, USA
- Department of Psychology, University of Illinois Urbana-ChampaignUrbana, IL, USA
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Swallow KM, Jiang YV. Attentional load and attentional boost: a review of data and theory. Front Psychol 2013; 4:274. [PMID: 23730294 PMCID: PMC3657623 DOI: 10.3389/fpsyg.2013.00274] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 04/28/2013] [Indexed: 11/13/2022] Open
Abstract
Both perceptual and cognitive processes are limited in capacity. As a result, attention is selective, prioritizing items and tasks that are important for adaptive behavior. However, a number of recent behavioral and neuroimaging studies suggest that, at least under some circumstances, increasing attention to one task can enhance performance in a second task (e.g., the attentional boost effect). Here we review these findings and suggest a new theoretical framework, the dual-task interaction model, that integrates these findings with current views of attentional selection. To reconcile the attentional boost effect with the effects of attentional load, we suggest that temporal selection results in a temporally specific enhancement across modalities, tasks, and spatial locations. Moreover, the effects of temporal selection may be best observed when the attentional system is optimally tuned to the temporal dynamics of incoming stimuli. Several avenues of research motivated by the dual-task interaction model are then discussed.
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Affiliation(s)
- Khena M Swallow
- Department of Psychology and Center for Cognitive Sciences, University of Minnesota Minneapolis, MN, USA
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Jerger S, Damian MF, Mills C, Bartlett J, Tye-Murray N, Abdi H. Effect of perceptual load on semantic access by speech in children. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2013; 56:388-403. [PMID: 22896045 PMCID: PMC3742031 DOI: 10.1044/1092-4388(2012/11-0186)] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
PURPOSE To examine whether semantic access by speech requires attention in children. METHOD Children (N = 200) named pictures and ignored distractors on a cross-modal (distractors: auditory-no face) or multimodal (distractors: auditory-static face and audiovisual-dynamic face) picture word task. The cross-modal task had a low load, and the multimodal task had a high load (i.e., respectively naming pictures displayed on a blank screen vs. below the talker's face on his T-shirt). Semantic content of distractors was manipulated to be related vs. unrelated to the picture (e.g., picture "dog" with distractors "bear" vs. "cheese"). If irrelevant semantic content manipulation influences naming times on both tasks despite variations in loads, Lavie's (2005) perceptual load model proposes that semantic access is independent of capacity-limited attentional resources; if, however, irrelevant content influences naming only on the cross-modal task (low load), the perceptual load model proposes that semantic access is dependent on attentional resources exhausted by the higher load task. RESULTS Irrelevant semantic content affected performance for both tasks in 6- to 9-year-olds but only on the cross-modal task in 4- to 5-year-olds. The addition of visual speech did not influence results on the multimodal task. CONCLUSION Younger and older children differ in dependence on attentional resources for semantic access by speech.
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Attentional selection within and across hemispheres: implications for the perceptual load theory. Exp Brain Res 2012. [DOI: 10.1007/s00221-012-3346-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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