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Human behavior and physiology exhibit diurnal fluctuations. These rhythms are entrained by light and social cues, with vast individual differences in the phase of entrainment - referred as an individual's chronotype - ranging in a continuum between early larks and late owls. Understanding whether decision-making in real-life situations depends on the relation between time of the day and an individual's diurnal preferences has both practical and theoretical implications. However, answering this question has remained elusive because of the difficulty of measuring precisely the quality of a decision in real-life scenarios. Here we investigate diurnal variations in decision-making as a function of an individual's chronotype capitalizing on a vast repository of human decisions: online chess servers. In a chess game, every player has to make around 40 decisions using a finite time budget and both the time and quality of each decision can be accurately determined. We found reliable diurnal rhythms in activity and decision-making policy. During the morning, players adopt a prevention focus policy (slower and more accurate decisions) which is later modified to a promotion focus (faster but less accurate decisions), without daily changes in performance. © 2016 Elsevier B.V.


Documento: Artículo
Título:Time to decide: Diurnal variations on the speed and quality of human decisions
Autor:Leone, M.J.; Fernandez Slezak, D.; Golombek, D.; Sigman, M.
Filiación:Universidad Torcuato Di Tella, CONICET, Laboratorio de Neurociencia, C1428BIJ Buenos Aires, Argentina
Universidad Nacional de Quilmes, CONICET, Laboratorio de Cronobiología, Departamento de Ciencia y Tecnología, B1876BXD Bernal, Buenos Aires, Argentina
Universidad de Buenos Aires, CONICET, Laboratorio de Inteligencia Artificial Aplicada, Departamento de Computación, Facultad de Ciencias Exactas y Naturales, C1428EGA Buenos Aires, Argentina
Palabras clave:Chess; Circadian rhythms; Decision-making; Human chronobiology; accuracy; Article; behavior assessment; circadian rhythm; daily life activity; decision making; human; prevention and control; priority journal; quality control; response time; sleep; sport; working time; decision making; individuality; physiology; time factor; Circadian Rhythm; Decision Making; Humans; Individuality; Time Factors
Página de inicio:44
Página de fin:55
Título revista:Cognition
Título revista abreviado:Cognition


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---------- APA ----------
Leone, M.J., Fernandez Slezak, D., Golombek, D. & Sigman, M. (2017) . Time to decide: Diurnal variations on the speed and quality of human decisions. Cognition, 158, 44-55.
---------- CHICAGO ----------
Leone, M.J., Fernandez Slezak, D., Golombek, D., Sigman, M. "Time to decide: Diurnal variations on the speed and quality of human decisions" . Cognition 158 (2017) : 44-55.
---------- MLA ----------
Leone, M.J., Fernandez Slezak, D., Golombek, D., Sigman, M. "Time to decide: Diurnal variations on the speed and quality of human decisions" . Cognition, vol. 158, 2017, pp. 44-55.
---------- VANCOUVER ----------
Leone, M.J., Fernandez Slezak, D., Golombek, D., Sigman, M. Time to decide: Diurnal variations on the speed and quality of human decisions. Cognition. 2017;158:44-55.