Pre-experimental sleep effects on directed forgetting

Hourihan, Kathleen L. and Kavanagh, Victoria A. J. (2020) Pre-experimental sleep effects on directed forgetting. Consciousness and Cognition, 79. ISSN 1053-8100

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Abstract

A directed forgetting (DF) paradigm was used to compare the remembering and forgetting of participants with good sleep quality to those with poor sleep quality and the presence of insomnia symptoms. This study implemented a point system in place of remember and forget instructions in a DF task with the goal of computing DF costs and benefits. Relations among memory, sleep, and working memory capacity (WMC) were also examined. DF benefits were observed in both groups, with negative costs found for participants without the presence of insomnia symptoms. WMC was found to be related to memory for positive point items only, and did not differ based on sleep quality. These results suggest that the presence of self-reported insomnia symptoms does not affect performance on a DF task.

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