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No Associations between Interindividual Differences in Sleep Parameters and Episodic Memory Consolidation
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 3381760
Author(s) Ackermann, Sandra; Hartmann, Francina; Papassotiropoulos, Andreas; de Quervain, Dominique J.-F.; Rasch, Björn
Author(s) at UniBasel de Quervain, Dominique
Hartmann, Francina
Papassotiropoulos, Andreas
Year 2015
Title No Associations between Interindividual Differences in Sleep Parameters and Episodic Memory Consolidation
Journal Sleep
Volume 38
Number 6
Pages / Article-Number 951-U263
Abstract Sleep and memory are stable and heritable traits that strongly differ between individuals. Sleep benefits memory consolidation, and the amount of slow wave sleep, sleep spindles, and rapid eye movement sleep have been repeatedly identified as reliable predictors for the amount of declarative and/or emotional memories retrieved after a consolidation period filled with sleep. These studies typically encompass small sample sizes, increasing the probability of overestimating the real association strength. In a large sample we tested whether individual differences in sleep are predictive for individual differences in memory for emotional and neutral pictures.; Between-subject design.; Cognitive testing took place at the University of Basel, Switzerland. Sleep was recorded at participants' homes, using portable electroencephalograph-recording devices.; Nine hundred-twenty-nine healthy young participants (mean age 22.48 ± 3.60 y standard deviation).; None.; In striking contrast to our expectations as well as numerous previous findings, we did not find any significant correlations between sleep and memory consolidation for pictorial stimuli.; Our results indicate that individual differences in sleep are much less predictive for pictorial memory processes than previously assumed and suggest that previous studies using small sample sizes might have overestimated the association strength between sleep stage duration and pictorial memory performance. Future studies need to determine whether intraindividual differences rather than interindividual differences in sleep stage duration might be more predictive for the consolidation of emotional and neutral pictures during sleep.
Publisher American Academy of Sleep Medicine and the Sleep Research Society
ISSN/ISBN 1550-9109
URL https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4434562/
edoc-URL http://edoc.unibas.ch/40794/
Full Text on edoc No
Digital Object Identifier DOI 10.5665/sleep.4748
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/25325488
ISI-Number WOS:000355617000017
Document type (ISI) Article
 
   

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01/05/2024