Stimulus repetition modulates gamma-band synchronization in primate visual cortex
Identifieur interne : 001179 ( Main/Exploration ); précédent : 001178; suivant : 001180Stimulus repetition modulates gamma-band synchronization in primate visual cortex
Auteurs : Nicolas M. Brunet [Pays-Bas] ; Conrado A. Bosman [Pays-Bas] ; Martin Vinck [Allemagne] ; Mark Roberts [Pays-Bas] ; Robert Oostenveld [Pays-Bas] ; Robert Desimone ; Peter De Weerd [Pays-Bas] ; Pascal Fries [Pays-Bas, Allemagne]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2014.
Abstract
When a visual stimulus repeats multiple times, visual cortical neurons show decreasing firing rate responses, yet neither perception nor stimulus-related behavior is compromised. We show that stimulus repetition leads to increased neuronal gamma-band (∼40–90 Hz) synchronization within and between early and higher visual areas. The enhanced gamma-band synchronization likely maintains effective stimulus signaling in the face of dwindling firing rates. We also show that synchronization to the gamma rhythm increases for spikes in general and for those of putative interneurons, whereas it decreases for spikes of putative excitatory neurons if they are not strongly stimulus-driven. Thus, inhibitory interneurons might create increasingly precise gamma-band synchronization, and thereby prune the stimulus representation by pyramidal cells to be sparser and more efficient.
Url:
DOI: 10.1073/pnas.1309714111
PubMed: 24554080
PubMed Central: 3948273
Affiliations:
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Brunet</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation><nlm:aff id="aff2">Department of Neurological Surgery,<institution>University of Pittsburgh</institution>, Pittsburgh,<addr-line>PA</addr-line> 15213;</nlm:aff></affiliation></author><author><name sortKey="Bosman, Conrado A" sort="Bosman, Conrado A" uniqKey="Bosman C" first="Conrado A." last="Bosman">Conrado A. Bosman</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff3">Cognitive and Systems Neuroscience Group, Swammerdam Institute for Life Sciences, Center for Neuroscience,<institution>University of Amsterdam</institution>, 1098 XH Amsterdam,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Vinck, Martin" sort="Vinck, Martin" uniqKey="Vinck M" first="Martin" last="Vinck">Martin Vinck</name><affiliation wicri:level="1"><nlm:aff id="aff4"><institution>Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society</institution>, 60528 Frankfurt,<country>Germany</country>;</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Roberts, Mark" sort="Roberts, Mark" uniqKey="Roberts M" first="Mark" last="Roberts">Mark Roberts</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff wicri:cut="; and" id="aff5">Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience,<institution>Maastricht University</institution>, 6200 MD Maastricht,<country>The Netherlands</country></nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Oostenveld, Robert" sort="Oostenveld, Robert" uniqKey="Oostenveld R" first="Robert" last="Oostenveld">Robert Oostenveld</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Desimone, Robert" sort="Desimone, Robert" uniqKey="Desimone R" first="Robert" last="Desimone">Robert Desimone</name><affiliation><nlm:aff id="aff6">McGovern Institute for Brain Research,<institution>Massachusetts Institute of Technology</institution>, Cambridge,<addr-line>MA</addr-line> 02139</nlm:aff></affiliation></author><author><name sortKey="De Weerd, Peter" sort="De Weerd, Peter" uniqKey="De Weerd P" first="Peter" last="De Weerd">Peter De Weerd</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff wicri:cut="; and" id="aff5">Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience,<institution>Maastricht University</institution>, 6200 MD Maastricht,<country>The Netherlands</country></nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Fries, Pascal" sort="Fries, Pascal" uniqKey="Fries P" first="Pascal" last="Fries">Pascal Fries</name><affiliation wicri:level="1"><nlm:aff id="aff1">Donders Institute for Brain, Cognition, and Behaviour,<institution>Radboud University Nijmegen</institution>, 6525 EN Nijmegen,<country>The Netherlands</country>;</nlm:aff><country xml:lang="fr">Pays-Bas</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff4"><institution>Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society</institution>, 60528 Frankfurt,<country>Germany</country>;</nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Significance</title><p>When a visual stimulus repeats multiple times, visual cortical neurons show decreasing firing rate responses, yet neither perception nor stimulus-related behavior is compromised. We show that stimulus repetition leads to increased neuronal gamma-band (∼40–90 Hz) synchronization within and between early and higher visual areas. The enhanced gamma-band synchronization likely maintains effective stimulus signaling in the face of dwindling firing rates. We also show that synchronization to the gamma rhythm increases for spikes in general and for those of putative interneurons, whereas it decreases for spikes of putative excitatory neurons if they are not strongly stimulus-driven. Thus, inhibitory interneurons might create increasingly precise gamma-band synchronization, and thereby prune the stimulus representation by pyramidal cells to be sparser and more efficient.</p></div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Pays-Bas</li></country></list><tree><noCountry><name sortKey="Desimone, Robert" sort="Desimone, Robert" uniqKey="Desimone R" first="Robert" last="Desimone">Robert Desimone</name></noCountry><country name="Pays-Bas"><noRegion><name sortKey="Brunet, Nicolas M" sort="Brunet, Nicolas M" uniqKey="Brunet N" first="Nicolas M." last="Brunet">Nicolas M. Brunet</name></noRegion><name sortKey="Bosman, Conrado A" sort="Bosman, Conrado A" uniqKey="Bosman C" first="Conrado A." last="Bosman">Conrado A. Bosman</name><name sortKey="Bosman, Conrado A" sort="Bosman, Conrado A" uniqKey="Bosman C" first="Conrado A." last="Bosman">Conrado A. Bosman</name><name sortKey="De Weerd, Peter" sort="De Weerd, Peter" uniqKey="De Weerd P" first="Peter" last="De Weerd">Peter De Weerd</name><name sortKey="De Weerd, Peter" sort="De Weerd, Peter" uniqKey="De Weerd P" first="Peter" last="De Weerd">Peter De Weerd</name><name sortKey="Fries, Pascal" sort="Fries, Pascal" uniqKey="Fries P" first="Pascal" last="Fries">Pascal Fries</name><name sortKey="Oostenveld, Robert" sort="Oostenveld, Robert" uniqKey="Oostenveld R" first="Robert" last="Oostenveld">Robert Oostenveld</name><name sortKey="Roberts, Mark" sort="Roberts, Mark" uniqKey="Roberts M" first="Mark" last="Roberts">Mark Roberts</name><name sortKey="Roberts, Mark" sort="Roberts, Mark" uniqKey="Roberts M" first="Mark" last="Roberts">Mark Roberts</name></country><country name="Allemagne"><noRegion><name sortKey="Vinck, Martin" sort="Vinck, Martin" uniqKey="Vinck M" first="Martin" last="Vinck">Martin Vinck</name></noRegion><name sortKey="Fries, Pascal" sort="Fries, Pascal" uniqKey="Fries P" first="Pascal" last="Fries">Pascal Fries</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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