Control of task-set switching.
Identifieur interne : 000227 ( Hal/Curation ); précédent : 000226; suivant : 000228Control of task-set switching.
Auteurs : Camille Bonnin [France]Source :
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Abstract
To perform any cognitive task requires an appropriate organization of cognitive processes and mental representations in order to act in accordance with task requirements. This internal configuration has been called task set (Monsell, 1996). In the present work, we studied control processes involved in establishing a task-set and mechanisms involved in the resolution of conflict between task-sets, by using the task switching paradigm and ambivalent or conflict stimuli (Stroop-like stimuli) affording several tasks. The efficiency of control processes was indexed by switch cost and interference effects. The aim of this work was to determine (i) how control processes are adjusted according to contextual characteristics and (ii) how these adjustments reflect the implementation of different processes. An initial study explored the potential influence of a conflict context on task-set control. A second study explored the role of task set control processes in maintaining a context-dependent balance between stability and flexibility. A third study tested the hypothesis that each control mode is associated with specific inhibitory mechanisms. In a fourth study, using a Stroop-like paradigm in patients with Parkinson's disease, we investigated the neurophysiological substrates of proactive and reactive control modes. Finally, we discuss whether the ‘task-set’ approach and the related task-switching paradigm are useful tools for the study of executive control.
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In a fourth study, using a Stroop-like paradigm in patients with Parkinson's disease, we investigated the neurophysiological substrates of proactive and reactive control modes. Finally, we discuss whether the ‘task-set’ approach and the related task-switching paradigm are useful tools for the study of executive control.</div></front></TEI><hal api="V3"><titleStmt><title xml:lang="en">Control of task-set switching.</title><title xml:lang="fr">Le contrôle du set associé à une tâche.</title><title xml:lang="en" type="sub">A behavioural study of executive control using task-set switching paradigm and Stroop-like tasks.</title><title xml:lang="fr" type="sub">Etude comportementale du contrôle exécutif dans des épreuves de permutation de tâche et des tâches de type Stroop.</title><author role="aut"><persName><forename type="first">Camille</forename><surname>BONNIN</surname></persName><email type="md5">3632b6288366dedfc4ac83a7f2314289</email><email type="domain">ch-larochelle.fr</email><idno type="halauthorid">1357517</idno><affiliation ref="#struct-242223"></affiliation></author><editor role="depositor"><persName><forename>Camille</forename><surname>BONNIN</surname></persName><email type="md5">3632b6288366dedfc4ac83a7f2314289</email><email type="domain">ch-larochelle.fr</email></editor></titleStmt><editionStmt><edition n="v1" type="current"><date type="whenSubmitted">2016-06-30 16:05:16</date><date type="whenModified">2016-07-01 10:32:05</date><date type="whenReleased">2016-06-30 17:45:24</date><date type="whenProduced">2010-12-07</date><date type="whenEndEmbargoed">2016-06-30</date><ref type="file" target="https://tel.archives-ouvertes.fr/tel-01339060/document"><date notBefore="2016-06-30"></date></ref><ref type="file" n="1" target="https://tel.archives-ouvertes.fr/tel-01339060/file/these_bonnin.pdf"><date notBefore="2016-06-30"></date></ref></edition><respStmt><resp>contributor</resp><name key="439922"><persName><forename>Camille</forename><surname>BONNIN</surname></persName><email type="md5">3632b6288366dedfc4ac83a7f2314289</email><email type="domain">ch-larochelle.fr</email></name></respStmt></editionStmt><publicationStmt><distributor>CCSD</distributor><idno type="halId">tel-01339060</idno><idno type="halUri">https://tel.archives-ouvertes.fr/tel-01339060</idno><idno type="halBibtex">bonnin:tel-01339060</idno><idno type="halRefHtml">Psychologie. Université de Poitiers, 2010. Français. <NNT : 2010POIT5022></idno><idno type="halRef">Psychologie. Université de Poitiers, 2010. Français. <NNT : 2010POIT5022></idno><availability status="restricted"><licence target="http://creativecommons.org/licenses/by/">Attribution</licence></availability></publicationStmt><seriesStmt><idno type="stamp" n="SHS">Sciences de l'Homme et de la Société</idno></seriesStmt><notesStmt></notesStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Control of task-set switching.</title><title xml:lang="fr">Le contrôle du set associé à une tâche.</title><title xml:lang="en" type="sub">A behavioural study of executive control using task-set switching paradigm and Stroop-like tasks.</title><title xml:lang="fr" type="sub">Etude comportementale du contrôle exécutif dans des épreuves de permutation de tâche et des tâches de type Stroop.</title><author role="aut"><persName><forename type="first">Camille</forename><surname>BONNIN</surname></persName><email type="md5">3632b6288366dedfc4ac83a7f2314289</email><email type="domain">ch-larochelle.fr</email><idno type="halauthorid">1357517</idno><affiliation ref="#struct-242223"></affiliation></author></analytic><monogr><idno type="nnt">2010POIT5022</idno><imprint><date type="dateDefended">2010-12-07</date></imprint><authority type="institution">Université de Poitiers</authority><authority type="school">Cognition, comportements, langages</authority><authority type="supervisor">Daniel Gaonac'h ; Cédric Bouquet</authority><authority type="jury">Pr. Philippe ALLAIN (président), Cédric BOUQUET (directeur), Pr. Daniel GAONAC'H (directeur), Pr. Eric SIEROFF (rapporteur), Florian WASZAK (rappoteur)</authority></monogr></biblStruct></sourceDesc><profileDesc><langUsage><language ident="fr">French</language></langUsage><textClass><keywords scheme="author"><term xml:lang="en"> reactive control</term><term xml:lang="en"> proactive control</term><term xml:lang="en"> interference</term><term xml:lang="en">executive control</term><term xml:lang="en"> task set</term><term xml:lang="en"> task set switching</term><term xml:lang="en"> switching cost</term><term xml:lang="en"> stroop</term><term xml:lang="fr">contrôle exécutif</term><term xml:lang="fr">set</term><term xml:lang="fr">permutation de tâche</term><term xml:lang="fr">coût de permutation</term><term xml:lang="fr">Stroop</term><term xml:lang="fr">interférence</term><term xml:lang="fr"> contrôle proactif</term><term xml:lang="fr"> contrôle réactif</term></keywords><classCode scheme="halDomain" n="shs.psy">Humanities and Social Sciences/Psychology</classCode><classCode scheme="halTypology" n="THESE">Theses</classCode></textClass><abstract xml:lang="en">To perform any cognitive task requires an appropriate organization of cognitive processes and mental representations in order to act in accordance with task requirements. This internal configuration has been called task set (Monsell, 1996). In the present work, we studied control processes involved in establishing a task-set and mechanisms involved in the resolution of conflict between task-sets, by using the task switching paradigm and ambivalent or conflict stimuli (Stroop-like stimuli) affording several tasks. The efficiency of control processes was indexed by switch cost and interference effects. The aim of this work was to determine (i) how control processes are adjusted according to contextual characteristics and (ii) how these adjustments reflect the implementation of different processes. An initial study explored the potential influence of a conflict context on task-set control. A second study explored the role of task set control processes in maintaining a context-dependent balance between stability and flexibility. A third study tested the hypothesis that each control mode is associated with specific inhibitory mechanisms. In a fourth study, using a Stroop-like paradigm in patients with Parkinson's disease, we investigated the neurophysiological substrates of proactive and reactive control modes. Finally, we discuss whether the ‘task-set’ approach and the related task-switching paradigm are useful tools for the study of executive control.</abstract><abstract xml:lang="fr">Réaliser une tâche implique la mise en œuvre d’une configuration spécifique des processus cognitifs nécessaires à cette réalisation. C’est cette configuration spécifique qui est désignée par le terme de set (Monsell, 1996). Nous étudions les processus de contrôle impliqués dans l'établissement d'un set et dans la gestion du conflit entre sets, au moyen du paradigme de permutation de tâche et par l'utilisation de stimuli ambigus ou conflictuels (type Stroop) pouvant susciter plusieurs tâches. Le coût de permutation et l'effet d'interférence nous permettent d'apprécier l'efficience de ces processus de contrôle. L’objectif de ce travail est de déterminer (i) dans quelle mesure les processus de contrôle sont ajustés en fonction de certaines caractéristiques du contexte, et (ii) comment ces variations peuvent éventuellement impliquer la mise en œuvre de processus différents. Une première étude a examiné comment un contexte de conflit pouvait influencer le contrôle du set. Une seconde étude a porté sur le rôle des mécanismes de contrôle du set dans le maintien d’un équilibre entre persistance et flexibilité en fonction du contexte. Une troisième étude a testé l’hypothèse de mécanismes d’inhibition spécifiques du type de contrôle mis en œuvre. Enfin, en utilisant un paradigme de type Stroop dans une approche neuropsychologique chez des patients souffrant de la maladie de Parkinson, une dernière étude a permis de préciser les substrats neurophysiologiques des modes de contrôle proactif et réactif. Les recherches menées ont permis de discuter de l'intérêt du concept de set dans l'étude du contrôle exécutif ainsi que des intérêts et des limites du paradigme de permutation de tâche.</abstract></profileDesc></hal></record>Pour manipuler ce document sous Unix (Dilib)
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