Cited by 359Sleep and Work-Related FatigueSleep and Wakefulness ResearchNeural and Behavioral Psychology Studies

Sleep deprivation elevates expectation of gains and attenuates response to losses following risky decisions

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Venkatraman, Vinod, Chuah, YM Lisa, Huettel, Scott A, Chee, Michael WL·2007·SLEEP

Abstract

STUDY OBJECTIVES: Using a gambling task, we investigated how 24 hours of sleep deprivation modulates the neural response to the making of risky decisions with potentially loss-bearing outcomes. DESIGN: Two experiments involving sleep-deprived subjects were performed. In the first, neural responses to decision making and reward outcome were evaluated. A second control experiment evaluated responses to reward outcome only. PARTICIPANTS: Healthy right-handed adults participated in these experiments (26 [mean age 21.3 years] in Experiment 1 and 13 [mean age 21.7 years] in Experiment 2.) MEASUREMENTS AND RESULTS: Following sleep deprivation, choices involving higher relative risk elicited greater activation in the right nucleus accumbens, signifying an elevated expectation of the higher reward once the riskier choice was made. Concurrently, activation for losses in the insular and orbitofrontal cortices was reduced, denoting a diminished response to losses. This latter finding of reduced insular activation to losses was also true when volunteers were merely shown the results of the computer's decision, that is, without having to make their own choice. CONCLUSIONS: These results suggest that sleep deprivation poses a dual threat to competent decision making by modulating activation in nucleus accumbens and insula, brain regions associated with risky decision making and emotional processing.

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Crossref · 10.1093/sleep/30.5.603

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  • Sleep deprivation disrupts reward neural circuitry, usually enhancing brain reactivity to positive experiences.

    “Sleep deprivation also disrupts reward neural circuitry, usually enhancing brain reactivity to positive experiences.”
  • A lack of appropriate engagement of limbic-related PFC regions may contribute to altered positive emotional sensitivity and regulatory control under conditions of sleep loss, with cognition being driven more by subcortical affective circuits.

    “A lack of appropriate engagement of these limbic-related PFC regions may therefore contribute to altered positive emotional sensitivity and regulatory control under conditions of sleep loss, with cognition being driven more by subcortical affective circuits (Killgore et al., 2006; Killgore et al., 2007; Venkatraman et al., 2007).”

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Authors
Venkatraman, V., Chuah, Y. L., Huettel, S. A., & Chee, M. W.
Affiliations
  • Duke-NUS Medical School (SG)
  • Duke University (US)
  • National University of Singapore (SG)
Venue
SLEEP
Published
2007-05
Volume
30
Issue
5
Pages
603-609
ISSN
  • 0161-8105 (ISSN-L)
  • 1550-9109
OpenAlex
W2124519719
Cited by
359
References
35
Citations by year
2026: 10 · 2025: 20 · 2024: 15 · 2023: 15 · 2022: 17 · 2021: 28 · 2020: 20 · 2019: 28 · 2018: 19 · 2017: 21 · 2016: 19 · 2015: 23 · 2014: 15 · 2013: 24 · 2012: 34
FWCI
13.99
Type
journal article
Language
en
Open access
Locations
  • SLEEP (publishedVersion)
  • PubMed (publishedVersion)
  • National University of Singapore (submittedVersion)
  • SSRN Electronic Journal (submittedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
sleep deprivation, risky decision making, gambling task, nucleus accumbens, insula, orbitofrontal cortex, loss aversion, reward anticipation, emotional processing
MeSH terms
Adult, Affect, Brain Mapping, Cerebral Cortex, Choice Behavior, Decision Making, Dominance, Cerebral, Female, Frontal Lobe, Gambling, Humans, Magnetic Resonance Imaging, Male, Nucleus Accumbens, Reaction Time, Reward, Set, Psychology, Sleep Deprivation

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