Effects of Partial Sleep Deprivation on Information Processing Speed in Adolescence

Journal of the International Neuropsychological Society : JINS
Mairav Cohen-ZionAvigail Wiener

Abstract

Although chronic sleep loss is highly common among teens, few objective sleep studies have examined its effects on cognitive performance, and specifically on information processing speed (IPS), a measure of cognitive proficiency. Forty-five adolescents underwent four consecutive nights of monitored sleep restriction (6-6.5 hr/night) and four nights of sleep extension (10-10.5 hr/night), in counterbalanced order, and separated by a washout period. Following each sleep period, cognitive performance was assessed, at a fixed morning time, using a computerized neuropsychological battery including an IPS task, a timed test providing both accuracy and reaction time outcome measures. Overall IPS performance was poorer in the restricted when compared to the extended condition. Increasing task load and pace were associated with increased accuracy for both sleep conditions. However, a significant pace by load interaction effect was only found in the extended condition, with post hoc tests showing that for medium and hard loads, IPS accuracies were better with increasing pace of task. Differences in IPS reaction times were not found between the sleep conditions. In addition, sleep-related changes in IPS indices were correlated with changes...Continue Reading

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Citations

Oct 11, 2020·Scientific Reports·Runa StefansdottirErlingur Johannsson
Dec 1, 2017·Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine·Nicole L HoffmanUNKNOWN CARE Consortium Investigators
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Mar 7, 2020·Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine·Nicole L HoffmanUNKNOWN CARE Consortium Investigators
Dec 13, 2016·Pediatrics·Judith A OwensRobert C Whitaker

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