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Title: Sleep deprivation alters choice strategy without altering uncertainty or loss aversion preferences
Authors: Mullette-Gillman O.A. 
Kurnianingsih Y.A. 
Liu J.C.J. 
Keywords: adult
confusion (uncertainty)
controlled study
decision making
human experiment
mental performance
normal human
selective attention
sleep deprivation
task performance
test retest reliability
Issue Date: 2015
Citation: Mullette-Gillman O.A., Kurnianingsih Y.A., Liu J.C.J. (2015). Sleep deprivation alters choice strategy without altering uncertainty or loss aversion preferences. Frontiers in Neuroscience 9 (OCT) : 352. ScholarBank@NUS Repository.
Abstract: Sleep deprivation alters decision making; however, it is unclear what specific cognitive processes are modified to drive altered choices. In this manuscript, we examined how one night of total sleep deprivation (TSD) alters economic decision making. We specifically examined changes in uncertainty preferences dissociably from changes in the strategy with which participants engage with presented choice information. With high test-retest reliability, we show that TSD does not alter uncertainty preferences or loss aversion. Rather, TSD alters the information the participants rely upon to make their choices. Utilizing a choice strategy metric which contrasts the influence of maximizing and satisficing information on choice behavior, we find that TSD alters the relative reliance on maximizing information and satisficing information, in the gains domain. This alteration is the result of participants both decreasing their reliance on cognitively-complex maximizing information and a concomitant increase in the use of readily-available satisficing information. TSD did not result in a decrease in overall information use in either domain. These results show that sleep deprivation alters decision making by altering the informational strategies that participants employ, without altering their preferences. © 2015 Mullette-Gillman, Kurnianingsih and Liu.
Source Title: Frontiers in Neuroscience
ISSN: 1662-4548
DOI: 10.3389/fnins.2015.00352
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