Selective inhibition of a multicomponent response can be achieved without cost
Identifieur interne : 000E54 ( Main/Exploration ); précédent : 000E53; suivant : 000E55Selective inhibition of a multicomponent response can be achieved without cost
Auteurs : Jing Xu [États-Unis] ; Zachary Westrick [États-Unis] ; Richard B. Ivry [États-Unis]Source :
- Journal of Neurophysiology [ 0022-3077 ] ; 2014.
Abstract
Behavioral flexibility frequently requires the ability to modify an on-going action. In some situations, optimal performance requires modifying some components of an on-going action without interrupting other components of that action. This form of control has been studied with the selective stop-signal task, in which participants are instructed to abort only one movement of a multicomponent response. Previous studies have shown a transient disruption of the nonaborted component, suggesting limitations in our ability to use selective inhibition. This cost has been attributed to a structural limitation associated with the recruitment of a cortico-basal ganglia pathway that allows for the rapid inhibition of action but operates in a relatively generic manner. Using a model-based approach, we demonstrate that, with a modest amount of training and highly compatible stimulus-response mappings, people can perform a selective-stop task without any cost on the nonaborted component. Prior reports of behavioral costs in selective-stop tasks reflect, at least in part, a sampling bias in the method commonly used to estimate such costs. These results suggest that inhibition can be selectively controlled and present a challenge for models of inhibitory control that posit the operation of generic processes.
Url:
DOI: 10.1152/jn.00101.2014
PubMed: 25339712
PubMed Central: 4297793
Affiliations:
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Ivry</name><affiliation wicri:level="2"><nlm:aff id="aff3">Department of Psychology, University of California, Berkeley, California</nlm:aff><country>États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Psychology, University of California, Berkeley</wicri:cityArea></affiliation></author></analytic><series><title level="j">Journal of Neurophysiology</title><idno type="ISSN">0022-3077</idno><idno type="eISSN">1522-1598</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Behavioral flexibility frequently requires the ability to modify an on-going action. In some situations, optimal performance requires modifying some components of an on-going action without interrupting other components of that action. This form of control has been studied with the selective stop-signal task, in which participants are instructed to abort only one movement of a multicomponent response. Previous studies have shown a transient disruption of the nonaborted component, suggesting limitations in our ability to use selective inhibition. This cost has been attributed to a structural limitation associated with the recruitment of a cortico-basal ganglia pathway that allows for the rapid inhibition of action but operates in a relatively generic manner. Using a model-based approach, we demonstrate that, with a modest amount of training and highly compatible stimulus-response mappings, people can perform a selective-stop task without any cost on the nonaborted component. Prior reports of behavioral costs in selective-stop tasks reflect, at least in part, a sampling bias in the method commonly used to estimate such costs. These results suggest that inhibition can be selectively controlled and present a challenge for models of inhibitory control that posit the operation of generic processes.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li><li>Maryland</li><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="Maryland"><name sortKey="Xu, Jing" sort="Xu, Jing" uniqKey="Xu J" first="Jing" last="Xu">Jing Xu</name></region><name sortKey="Ivry, Richard B" sort="Ivry, Richard B" uniqKey="Ivry R" first="Richard B." last="Ivry">Richard B. Ivry</name><name sortKey="Westrick, Zachary" sort="Westrick, Zachary" uniqKey="Westrick Z" first="Zachary" last="Westrick">Zachary Westrick</name><name sortKey="Westrick, Zachary" sort="Westrick, Zachary" uniqKey="Westrick Z" first="Zachary" last="Westrick">Zachary Westrick</name><name sortKey="Xu, Jing" sort="Xu, Jing" uniqKey="Xu J" first="Jing" last="Xu">Jing Xu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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