Dynamic characteristics of multisensory facilitation and inhibition
Identifieur interne : 000704 ( Pmc/Curation ); précédent : 000703; suivant : 000705Dynamic characteristics of multisensory facilitation and inhibition
Auteurs : W. Y. Wang [République populaire de Chine] ; L. Hu [République populaire de Chine] ; E. Valentini [Royaume-Uni] ; X. B. Xie [République populaire de Chine] ; H. Y. Cui [République populaire de Chine] ; Y. Hu [République populaire de Chine]Source :
- Cognitive Neurodynamics [ 1871-4080 ] ; 2012.
Abstract
Multimodal integration, which mainly refers to multisensory facilitation and multisensory inhibition, is the process of merging multisensory information in the human brain. However, the neural mechanisms underlying the dynamic characteristics of multimodal integration are not fully understood. The objective of this study is to investigate the basic mechanisms of multimodal integration by assessing the intermodal influences of vision, audition, and somatosensory sensations (the influence of multisensory background events to the target event). We used a timed target detection task, and measured both behavioral and electroencephalographic responses to visual target events (green solid circle), auditory target events (2 kHz pure tone) and somatosensory target events (1.5 ± 0.1 mA square wave pulse) from 20 normal participants. There were significant differences in both behavior performance and ERP components when comparing the unimodal target stimuli with multimodal (bimodal and trimodal) target stimuli for all target groups. Significant correlation among reaction time and P3 latency was observed across all target conditions. The perceptual processing of auditory target events (A) was inhibited by the background events, while the perceptual processing of somatosensory target events (S) was facilitated by the background events. In contrast, the perceptual processing of visual target events (V) remained impervious to multisensory background events.
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DOI: 10.1007/s11571-012-9197-x
PubMed: 24082962
PubMed Central: 3438327
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Wang</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong</wicri:regionArea></affiliation></author><author><name sortKey="Hu, L" sort="Hu, L" uniqKey="Hu L" first="L." last="Hu">L. 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Y." last="Wang">W. Y. Wang</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong</wicri:regionArea></affiliation></author><author><name sortKey="Hu, L" sort="Hu, L" uniqKey="Hu L" first="L." last="Hu">L. Hu</name><affiliation wicri:level="1"><nlm:aff id="Aff3">Key Laboratory of Cognition and Personality (Ministry of Education), School of Psychology, Southwest University, Chongqing, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Key Laboratory of Cognition and Personality (Ministry of Education), School of Psychology, Southwest University, Chongqing</wicri:regionArea></affiliation></author><author><name sortKey="Valentini, E" sort="Valentini, E" uniqKey="Valentini E" first="E." last="Valentini">E. Valentini</name><affiliation wicri:level="1"><nlm:aff id="Aff4">Department of Neuroscience, Physiology and Pharmacology, University College London, London, UK</nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Neuroscience, Physiology and Pharmacology, University College London, London</wicri:regionArea></affiliation></author><author><name sortKey="Xie, X B" sort="Xie, X B" uniqKey="Xie X" first="X. B." last="Xie">X. B. Xie</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin</wicri:regionArea></affiliation></author><author><name sortKey="Cui, H Y" sort="Cui, H Y" uniqKey="Cui H" first="H. Y." last="Cui">H. Y. Cui</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin</wicri:regionArea></affiliation></author><author><name sortKey="Hu, Y" sort="Hu, Y" uniqKey="Hu Y" first="Y." last="Hu">Y. Hu</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong, China</nlm:aff><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong</wicri:regionArea></affiliation></author></analytic><series><title level="j">Cognitive Neurodynamics</title><idno type="ISSN">1871-4080</idno><idno type="eISSN">1871-4099</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Multimodal integration, which mainly refers to multisensory facilitation and multisensory inhibition, is the process of merging multisensory information in the human brain. However, the neural mechanisms underlying the dynamic characteristics of multimodal integration are not fully understood. The objective of this study is to investigate the basic mechanisms of multimodal integration by assessing the intermodal influences of vision, audition, and somatosensory sensations (the influence of multisensory background events to the target event). We used a timed target detection task, and measured both behavioral and electroencephalographic responses to visual target events (green solid circle), auditory target events (2 kHz pure tone) and somatosensory target events (1.5 ± 0.1 mA square wave pulse) from 20 normal participants. There were significant differences in both behavior performance and ERP components when comparing the unimodal target stimuli with multimodal (bimodal and trimodal) target stimuli for all target groups. Significant correlation among reaction time and P3 latency was observed across all target conditions. The perceptual processing of auditory target events (A) was inhibited by the background events, while the perceptual processing of somatosensory target events (S) was facilitated by the background events. In contrast, the perceptual processing of visual target events (V) remained impervious to multisensory background events.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Cogn Neurodyn</journal-id><journal-id journal-id-type="iso-abbrev">Cogn Neurodyn</journal-id><journal-title-group><journal-title>Cognitive Neurodynamics</journal-title></journal-title-group><issn pub-type="ppub">1871-4080</issn><issn pub-type="epub">1871-4099</issn><publisher><publisher-name>Springer Netherlands</publisher-name><publisher-loc>Dordrecht</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">24082962</article-id><article-id pub-id-type="pmc">3438327</article-id><article-id pub-id-type="publisher-id">9197</article-id><article-id pub-id-type="doi">10.1007/s11571-012-9197-x</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title>Dynamic characteristics of multisensory facilitation and inhibition</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Wang</surname><given-names>W. Y.</given-names></name><xref ref-type="aff" rid="Aff1">1</xref><xref ref-type="aff" rid="Aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Hu</surname><given-names>L.</given-names></name><xref ref-type="aff" rid="Aff3">3</xref></contrib><contrib contrib-type="author"><name><surname>Valentini</surname><given-names>E.</given-names></name><xref ref-type="aff" rid="Aff4">4</xref></contrib><contrib contrib-type="author"><name><surname>Xie</surname><given-names>X. B.</given-names></name><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Cui</surname><given-names>H. Y.</given-names></name><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Hu</surname><given-names>Y.</given-names></name><address><phone>+86-852-29740359</phone><fax>+86-852-29740335</fax><email>yhud@hku.hk</email></address><xref ref-type="aff" rid="Aff1">1</xref><xref ref-type="aff" rid="Aff2">2</xref></contrib><aff id="Aff1"><label>1</label>Chinese Academy of Medical Science and Peking Union Medical College, Institute of Biomedical Engineering, Tianjin, China</aff><aff id="Aff2"><label>2</label>Department of Orthopaedics and Traumatology, Duchess of Kent Children’s Hospital, The University of Hong Kong, 12 Sandy Bay Road, Hong Kong, China</aff><aff id="Aff3"><label>3</label>Key Laboratory of Cognition and Personality (Ministry of Education), School of Psychology, Southwest University, Chongqing, China</aff><aff id="Aff4"><label>4</label>Department of Neuroscience, Physiology and Pharmacology, University College London, London, UK</aff></contrib-group><pub-date pub-type="epub"><day>20</day><month>3</month><year>2012</year></pub-date><pub-date pub-type="ppub"><month>10</month><year>2012</year></pub-date><volume>6</volume><issue>5</issue><fpage>409</fpage><lpage>419</lpage><history><date date-type="received"><day>29</day><month>4</month><year>2011</year></date><date date-type="rev-recd"><day>14</day><month>2</month><year>2012</year></date><date date-type="accepted"><day>1</day><month>3</month><year>2012</year></date></history><permissions><copyright-statement>© Springer Science+Business Media B.V. 2012</copyright-statement></permissions><abstract id="Abs1"><p>Multimodal integration, which mainly refers to multisensory facilitation and multisensory inhibition, is the process of merging multisensory information in the human brain. However, the neural mechanisms underlying the dynamic characteristics of multimodal integration are not fully understood. The objective of this study is to investigate the basic mechanisms of multimodal integration by assessing the intermodal influences of vision, audition, and somatosensory sensations (the influence of multisensory background events to the target event). We used a timed target detection task, and measured both behavioral and electroencephalographic responses to visual target events (green solid circle), auditory target events (2 kHz pure tone) and somatosensory target events (1.5 ± 0.1 mA square wave pulse) from 20 normal participants. There were significant differences in both behavior performance and ERP components when comparing the unimodal target stimuli with multimodal (bimodal and trimodal) target stimuli for all target groups. Significant correlation among reaction time and P3 latency was observed across all target conditions. The perceptual processing of auditory target events (A) was inhibited by the background events, while the perceptual processing of somatosensory target events (S) was facilitated by the background events. In contrast, the perceptual processing of visual target events (V) remained impervious to multisensory background events.</p></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Multisensory enhancement</kwd><kwd>Event-related potentials</kwd><kwd>P3 latency</kwd><kwd>Visual dominance</kwd><kwd>Source analysis</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© Springer Science+Business Media B.V. 2012</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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