Infrequent dream recall associated with low performance but high overnight improvement on mirror-tracing

Journal of Sleep Research
G DumelT Nielsen

Abstract

Although sleep facilitates learning and memory, the roles of dreaming and habitual levels of recalling dreams remain unknown. This study examined if performance and overnight improvement on a rapid eye movement sleep-sensitive visuomotor task is associated differentially with habitually high or low dream recall frequency. As a relation between dream production and visuospatial skills has been demonstrated previously, one possibility is that frequency of dream recall will be linked to performance on visuomotor tasks such as the Mirror Tracing Task. We expected that habitually low dream recallers would perform more poorly on the Mirror Tracing Task than would high recallers and would show less task improvement following a night of sleep. Fifteen low and 20 high dream recallers slept one night each in the laboratory and performed the Mirror Tracing Task before and after sleep. Low recallers had overall worse baseline performance but a greater evening-to-morning improvement than did high recallers. Greater improvements in completion time in low recallers were associated with Stage 2 rather than rapid eye movement sleep. Findings support the separate notions that dreaming is related to visuomotor processes and that different levels ...Continue Reading

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Citations

Jul 30, 2015·Journal of Sleep Research·Derk-Jan Dijk
Jul 15, 2015·Consciousness and Cognition·Michelle Carr, Tore Nielsen
Aug 16, 2016·Frontiers in Psychology·Seishu NakagawaRyuta Kawashima
Jun 28, 2017·Sleep·Louis-Philippe MarquisTore Nielsen
Jun 9, 2020·ELife·Goffredina SpanòEleanor A Maguire
Oct 2, 2019·International Journal of Environmental Research and Public Health·Serena ScarpelliLuigi De Gennaro

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