Listening to white noise counteracts visual and haptic pseudoneglect.
Identifieur interne : 000D51 ( PubMed/Corpus ); précédent : 000D50; suivant : 000D52Listening to white noise counteracts visual and haptic pseudoneglect.
Auteurs : Zaira Cattaneo ; Carlotta Lega ; Tomaso Vecchi ; Giuseppe VallarSource :
- Perception [ 0301-0066 ] ; 2012.
English descriptors
- KwdEn :
- MESH :
- methods : Acoustic Stimulation.
- physiology : Attention, Functional Laterality, Psychomotor Performance, Touch Perception, Visual Perception.
- Adult, Female, Humans, Male, Noise, Reference Values, Young Adult.
Abstract
Neurologically intact individuals usually show a leftward bias in line bisection, a tendency known as "pseudoneglect", likely reflecting a right-hemisphere dominance in controlling the allocation of spatial attention. Studies in brain-damaged patients with left visuospatial neglect have reported that auditory stimulation may reduce the deficit, both in a spatially dependent and in a spatially independent way. Here we show for the first time that the concurrent binaural presentation of auditory white noise affects healthy individuals' performance in both visual and haptic bisection, reducing their leftward error. We suggest that this effect depends on the noise boosting alertness and restoring the hemispheric activation balance. Our data clearly show that task-irrelevant auditory noise crossmodally affects the allocation of spatial resources in both the haptic and the visual space; future research may clarify whether these effects are specific for the type of auditory stimulation.
PubMed: 23513624
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pubmed:23513624Le document en format XML
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Studies in brain-damaged patients with left visuospatial neglect have reported that auditory stimulation may reduce the deficit, both in a spatially dependent and in a spatially independent way. Here we show for the first time that the concurrent binaural presentation of auditory white noise affects healthy individuals' performance in both visual and haptic bisection, reducing their leftward error. We suggest that this effect depends on the noise boosting alertness and restoring the hemispheric activation balance. Our data clearly show that task-irrelevant auditory noise crossmodally affects the allocation of spatial resources in both the haptic and the visual space; future research may clarify whether these effects are specific for the type of auditory stimulation.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">23513624</PMID><DateCreated><Year>2013</Year><Month>03</Month><Day>21</Day></DateCreated><DateCompleted><Year>2013</Year><Month>04</Month><Day>25</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Print">0301-0066</ISSN><JournalIssue CitedMedium="Print"><Volume>41</Volume><Issue>11</Issue><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>Perception</Title><ISOAbbreviation>Perception</ISOAbbreviation></Journal><ArticleTitle>Listening to white noise counteracts visual and haptic pseudoneglect.</ArticleTitle><Pagination><MedlinePgn>1395-8</MedlinePgn></Pagination><Abstract><AbstractText>Neurologically intact individuals usually show a leftward bias in line bisection, a tendency known as "pseudoneglect", likely reflecting a right-hemisphere dominance in controlling the allocation of spatial attention. Studies in brain-damaged patients with left visuospatial neglect have reported that auditory stimulation may reduce the deficit, both in a spatially dependent and in a spatially independent way. Here we show for the first time that the concurrent binaural presentation of auditory white noise affects healthy individuals' performance in both visual and haptic bisection, reducing their leftward error. We suggest that this effect depends on the noise boosting alertness and restoring the hemispheric activation balance. 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