Executive functioning is preserved in healthy young adults under acute sleep restriction

Schaedler, Thais, Santos, Jefferson Souza, Vincenzi, Roberta Almeida, Pereira, Sofia Isabel Ribeiro and Louzada, Fernando Mazzilli 2018. Executive functioning is preserved in healthy young adults under acute sleep restriction. Sleep Science 11 (3) , pp. 152-159. 10.5935/1984-0063.20180029

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Abstract

OBJECTIVES: This study aimed to evaluate if a partial morning or evening sleep restriction protocol could affect executive functioning in healthy young adults. METHODS: Participants were assigned to one of three groups: control (n=18), in which participants maintained their habitual sleep/wake cycle; morning restriction (n=17), in which volunteers terminated sleep approximately three hours earlier than the usual on the experimental night, and evening restriction (n=13), in which volunteers initiated sleep approximately three hours later than the usual on the experimental night. On the day of the experiment, they performed the Stroop Test, the Go-NoGo Test and the Iowa Gambling Task (IGT). RESULTS: When compared to the control group, neither morning nor evening sleep-restricted individuals displayed any significant deficits in: a) selective attention as assessed by the interference index (H=3.38; p=0.18) and time to performed the interference card (H=2.61; p=0.27) on the Stroop test; b) motor response inhibition as assessed by number of false alarms (H=0.8; p=0.67) on the Go-NoGo Test; and c) in decision-making as assessed by total won (H=2.64; p=0.26) and number of selected advantageous cards (H=4.43; p=0.11) on the IGT. CONCLUSION: These findings suggest that the ability to pay attention, inhibit a motor response and make decisions is preserved following approximately 3 hours of sleep restriction, regardless of its timing (in the morning or in the evening).

Item Type:	Article
Status:	Published
Schools:	Psychology Cardiff University Brain Research Imaging Centre (CUBRIC)
ISSN:	1984-0063
Date of Acceptance:	7 June 2018
Last Modified:	06 Jan 2024 03:32
URI:	https://orca.cardiff.ac.uk/id/eprint/142751

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