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Abstract:

Does extensive practice reduce or eliminate central interference in dual-task processing? We explored the reorganization of task architecture with practice by combining interference analysis (delays in dual-task experiment) and random-walk models of decision making (measuring the decision and non-decision contributions to RT). The main delay observed in the Psychologically Refractory Period at short stimulus onset asynchronies (SOA) values was largely unaffected by training. However, the range of SOAs over which this interference regime held diminished with learning. This was consistent with an overall shift observed in single-task performance from a highly variable decision time to a reliable (non-decision time) contribution to response time. Executive components involved in coordinating dual-task performance decreased (and became more stable) after extensive practice. The results suggest that extensive practice reduces the duration of central decision stages, but that the qualitative property of central seriality remains a structural invariant. © 2010 Elsevier B.V.

Registro:

Documento: Artículo
Título:Effects of practice on task architecture: Combined evidence from interference experiments and random-walk models of decision making
Autor:Kamienkowski, J.E.; Pashler, H.; Dehaene, S.; Sigman, M.
Filiación:Laboratorio de Neurociencia Integrativa, Departamento de Fisica, FCEyN UBA and IFIBA, Conicet; Pabellon 1, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Department of Psychology 0109, University of California, San Diego, La Jolla, CA 92093, United States
INSERM, U562, Cognitive Neuroimaging Unit, F-91191 Gif/Yvette, France
CEA, DSV/12BM, NeuroSpin Center, F-91191 Gif/Yvette, France
Collège de France, F-75005 Paris, France
Palabras clave:Cognitive processes; Dual-task performance; Learning; Psychological refractory period; Response time distributions; Task architecture; adult; article; case report; cognition; cognitive defect; decision making; female; human; human experiment; learning; male; mental task; normal human; priority journal; psychological refractory period; task performance; walking; Acoustic Stimulation; Adolescent; Auditory Perception; Decision Making; Female; Humans; Male; Practice (Psychology); Psychomotor Performance; Reaction Time; Recognition (Psychology); Young Adult
Año:2011
Volumen:119
Número:1
Página de inicio:81
Página de fin:95
DOI: http://dx.doi.org/10.1016/j.cognition.2010.12.010
Título revista:Cognition
Título revista abreviado:Cognition
ISSN:00100277
CODEN:CGTNA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00100277_v119_n1_p81_Kamienkowski

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Citas:

---------- APA ----------
Kamienkowski, J.E., Pashler, H., Dehaene, S. & Sigman, M. (2011) . Effects of practice on task architecture: Combined evidence from interference experiments and random-walk models of decision making. Cognition, 119(1), 81-95.
http://dx.doi.org/10.1016/j.cognition.2010.12.010
---------- CHICAGO ----------
Kamienkowski, J.E., Pashler, H., Dehaene, S., Sigman, M. "Effects of practice on task architecture: Combined evidence from interference experiments and random-walk models of decision making" . Cognition 119, no. 1 (2011) : 81-95.
http://dx.doi.org/10.1016/j.cognition.2010.12.010
---------- MLA ----------
Kamienkowski, J.E., Pashler, H., Dehaene, S., Sigman, M. "Effects of practice on task architecture: Combined evidence from interference experiments and random-walk models of decision making" . Cognition, vol. 119, no. 1, 2011, pp. 81-95.
http://dx.doi.org/10.1016/j.cognition.2010.12.010
---------- VANCOUVER ----------
Kamienkowski, J.E., Pashler, H., Dehaene, S., Sigman, M. Effects of practice on task architecture: Combined evidence from interference experiments and random-walk models of decision making. Cognition. 2011;119(1):81-95.
http://dx.doi.org/10.1016/j.cognition.2010.12.010