Does Sleep Restriction Impact Performance and Metacognition in an Episodic Memory Task? An Experimental Study


Master's Thesis, 2022

24 Pages, Grade: B


Abstract or Introduction

Sleep restriction is common in adults and has been linked to impairments in cognition, such as memory performance. However, less is known about how sleep restriction affects metacognition, the ability to monitor one’s cognitive processes. This experimental study aimed to (i) investigate if sleep restriction negatively impacts episodic memory performance and (ii) to examine if sleep restriction negatively affects two aspects of metacognition (confidence bias and metacognitive sensitivity).

Using a within-subjects design, 148 participants performed an episodic memory task after two nights of restricted sleep (4h/night) and two nights of saturated sleep (9h/night) in a randomized order. The episodic memory task comprised the encoding and retrieval of indoor and outdoor images. Participants provided a confidence rating for each trial. Mixed model analyses revealed that participants performed less accurately after sleep restriction, were more confident in their performance, and had lower metacognitive sensitivity.

Details

Title
Does Sleep Restriction Impact Performance and Metacognition in an Episodic Memory Task? An Experimental Study
College
Stockholm University
Grade
B
Author
Year
2022
Pages
24
Catalog Number
V1263725
ISBN (eBook)
9783346701541
ISBN (Book)
9783346701558
Language
English
Keywords
Schlaf, Sleep, Cognition, Kognition, Memory, Episodic Memory, Metacognition
Quote paper
Marie Klamer (Author), 2022, Does Sleep Restriction Impact Performance and Metacognition in an Episodic Memory Task? An Experimental Study, Munich, GRIN Verlag, https://www.grin.com/document/1263725

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