Sleep Deprivation Triggers Cognitive Control Impairments in Task-Goal Switching

Hichem Slama · Daphné Chylinski · Gaétane Deliens · Rachel Leproult · Rémy Schmitz · Philippe Peigneux

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Sleep and Work-Related Fatigue Neural and Behavioral Psychology Studies Sleep and Wakefulness Research

Abstract

STUDY OBJECTIVES: This study investigates the impact of sleep deprivation (SD) on task-goal switching, a key component of cognitive flexibility. METHODS: Task-goal switching performance was tested after one night of regular sleep (n = 17 participants) or of total SD (n = 18). To understand the relationships between task-switching performance and other cognitive processes following SD, participants were tested for other key attentional (alertness and vigilance) and executive (inhibition and working memory) functions. Spontaneous eye blink rate (EBR) was also measured as an indirect marker of striatal dopaminergic function. RESULTS: SD negatively affects task-goal switching as well as attentional and inhibition measures, but not working memory. Changes in task-goal switching performance were not significantly correlated with changes in objective and subjective markers of fatigue and sleepiness, response inhibition, or spontaneous EBR. CONCLUSIONS: Altogether, our results show differentiated effects of SD on key executive functions such as working memory, inhibition, and task-goal switching.

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References

1988Psychometric properties of the Beck Depression Inventory: Twenty-five years of evaluation 2012The Nature and Organization of Individual Differences in Executive Functions 1990Subjective and Objective Sleepiness in the Active Individual 2009Neurocognitive Consequences of Sleep Deprivation 1992Automatic Sleep/Wake Identification From Wrist Activity 1985Microcomputer analyses of performance on a portable, simple visual RT task during sustained operations 2005Neurocognitive Consequences of Sleep Deprivation 2010Effects of sleep deprivation on cognition

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