Look away: the anti-saccade task and the voluntary control of eye movement
Identifieur interne : 002C50 ( Main/Exploration ); précédent : 002C49; suivant : 002C51Look away: the anti-saccade task and the voluntary control of eye movement
Auteurs : Douglas P. Munoz [Canada] ; Stefan Everling [Canada]Source :
- Nature Reviews Neuroscience [ 1471-003X ] ; 2004-03.
Abstract
The anti-saccade task has emerged as an important task for investigating the flexible control that we have over behaviour. In this task, participants must suppress the reflexive urge to look at a visual target that appears suddenly in the peripheral visual field and must instead look away from the target in the opposite direction. A crucial step involved in performing this task is the top-down inhibition of a reflexive, automatic saccade. Here, we describe recent neurophysiological evidence demonstrating the presence of this inhibitory function in single-cell activity in the frontal eye fields and superior colliculus. Patients diagnosed with various neurological and/or psychiatric disorders that affect the frontal lobes or basal ganglia find it difficult to suppress the automatic pro-saccade, revealing a deficit in top-down inhibition.
Url:
DOI: 10.1038/nrn1345
Affiliations:
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Munoz</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Centre for Neuroscience Studies, Department of Physiology, CIHR Group in Sensory Motor Systems, Queen's University, Kingston, Ontario K7L 3N6</wicri:regionArea><wicri:noRegion>Ontario K7L 3N6</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Canada</country></affiliation></author><author><name sortKey="Everling, Stefan" sort="Everling, Stefan" uniqKey="Everling S" first="Stefan" last="Everling">Stefan Everling</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Departments of Physiology & Pharmacology and Psychology, University of Western Ontario, London, Ontario N6A 5C1</wicri:regionArea><wicri:noRegion>Ontario N6A 5C1</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Robarts Research Institute, PO Box 5015, 100 Perth Drive, London, Ontario N6A 5K8</wicri:regionArea><wicri:noRegion>Ontario N6A 5K8</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Nature Reviews Neuroscience</title><idno type="ISSN">1471-003X</idno><idno type="eISSN">1471-0048</idno><imprint><publisher>Nature Publishing Group</publisher><date type="published" when="2004-03">2004-03</date><biblScope unit="volume">5</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="218">218</biblScope><biblScope unit="page" to="228">228</biblScope></imprint><idno type="ISSN">1471-003X</idno></series><idno type="istex">E71DC08E8FDF945F927295342E123E0246659C36</idno><idno type="DOI">10.1038/nrn1345</idno><idno type="ArticleID">nrn1345</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1471-003X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">The anti-saccade task has emerged as an important task for investigating the flexible control that we have over behaviour. In this task, participants must suppress the reflexive urge to look at a visual target that appears suddenly in the peripheral visual field and must instead look away from the target in the opposite direction. A crucial step involved in performing this task is the top-down inhibition of a reflexive, automatic saccade. Here, we describe recent neurophysiological evidence demonstrating the presence of this inhibitory function in single-cell activity in the frontal eye fields and superior colliculus. Patients diagnosed with various neurological and/or psychiatric disorders that affect the frontal lobes or basal ganglia find it difficult to suppress the automatic pro-saccade, revealing a deficit in top-down inhibition.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Munoz, Douglas P" sort="Munoz, Douglas P" uniqKey="Munoz D" first="Douglas P." last="Munoz">Douglas P. Munoz</name></noRegion><name sortKey="Everling, Stefan" sort="Everling, Stefan" uniqKey="Everling S" first="Stefan" last="Everling">Stefan Everling</name><name sortKey="Everling, Stefan" sort="Everling, Stefan" uniqKey="Everling S" first="Stefan" last="Everling">Stefan Everling</name><name sortKey="Munoz, Douglas P" sort="Munoz, Douglas P" uniqKey="Munoz D" first="Douglas P." last="Munoz">Douglas P. Munoz</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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