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Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep / Jean-Baptiste Eichenlaub; Elaine van Rijn; M Gareth Gaskell; Penelope A Lewis; Emmanuel Maby; Josie Malinowski; Matthew P Walker; Frederic Boy; Mark Blagrove

Social Cognitive and Affective Neuroscience, Volume: 13, Issue: 6, Pages: 637 - 647

Swansea University Author: Blagrove, Mark

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DOI (Published version): 10.1093/scan/nsy041

Abstract

Rapid eye movement (REM) sleep and its main oscillatory feature, frontal theta, have been related to the processing ofrecent emotional memories. As memories constitute much of the source material for our dreams, we explored the linkbetween REM frontal theta and the memory sources of dreaming, so as...

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Published in: Social Cognitive and Affective Neuroscience
ISSN: 1749-5016 1749-5024
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40460
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spelling 2019-04-29T12:35:42Z v2 40460 2018-05-29 Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep Mark Blagrove Mark Blagrove true 0000-0002-9854-1854 false 8c78ee008e650b9f0a463bae56a5636c 56f1c8c8ef24668a27a5e2cb8a684fce WFEyPpvG0vhdqbL5iN33pH2HZhUyFASdV1DFdgIIhKs= 2018-05-29 HPS Rapid eye movement (REM) sleep and its main oscillatory feature, frontal theta, have been related to the processing ofrecent emotional memories. As memories constitute much of the source material for our dreams, we explored the linkbetween REM frontal theta and the memory sources of dreaming, so as to elucidate the brain activities behind theformation of dream content. Twenty participants were woken for dream reports in REM and slow wave sleep (SWS) whilemonitored using electroencephalography. Eighteen participants reported at least one REM dream and 14 at least one SWSdream, and they, and independent judges, subsequently compared their dream reports with log records of their previousdaily experiences. The number of references to recent waking-life experiences in REM dreams was positively correlatedwith frontal theta activity in the REM sleep period. No such correlation was observed for older memories, nor for SWSdreams. The emotional intensity of recent waking-life experiences incorporated into dreams was higher than the emotionalintensity of experiences that were not incorporated. These results suggest that the formation of wakefulness-related dreamcontent is associated with REM theta activity, and accords with theories that dreaming reflects emotional memory processingtaking place in REM sleep. Journal article Social Cognitive and Affective Neuroscience 13 6 637 647 1749-5016 1749-5024 4 6 2018 2018-06-04 10.1093/scan/nsy041 College of Human and Health Sciences Psychology CHHS HPS Psychology RCUK; ESRC; ES/I037555/1 None 2019-04-29T12:35:42Z 2018-05-29T12:07:05Z College of Human and Health Sciences Psychology Jean-Baptiste Eichenlaub 1 Elaine van Rijn 2 M Gareth Gaskell 3 Penelope A Lewis 4 Emmanuel Maby 5 Josie Malinowski 6 Matthew P Walker 7 Frederic Boy 8 Mark Blagrove 9 0040460-09072018125910.pdf Blagrove_Soc_Cog_Aff_Neuro.2018.nsy041.pdf 2018-07-09T12:59:10Z Output 704055 application/pdf VoR true Updated Copyright 09/07/2018 2018-07-09T00:00:00 Released under the terms of a Creative Commons Attribution License (CC-BY). true eng
title Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
spellingShingle Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
Blagrove, Mark
title_short Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
title_full Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
title_fullStr Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
title_full_unstemmed Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
title_sort Incorporation of recent waking-life experiences in dreams correlates with frontal theta activity in REM sleep
author_id_str_mv 8c78ee008e650b9f0a463bae56a5636c
author_id_fullname_str_mv 8c78ee008e650b9f0a463bae56a5636c_***_Blagrove, Mark
author Blagrove, Mark
author2 Jean-Baptiste Eichenlaub
Elaine van Rijn
M Gareth Gaskell
Penelope A Lewis
Emmanuel Maby
Josie Malinowski
Matthew P Walker
Frederic Boy
Mark Blagrove
format Journal article
container_title Social Cognitive and Affective Neuroscience
container_volume 13
container_issue 6
container_start_page 637
publishDate 2018
institution Swansea University
issn 1749-5016
1749-5024
doi_str_mv 10.1093/scan/nsy041
college_str College of Human and Health Sciences
hierarchytype
hierarchy_top_id collegeofhumanandhealthsciences
hierarchy_top_title College of Human and Health Sciences
hierarchy_parent_id collegeofhumanandhealthsciences
hierarchy_parent_title College of Human and Health Sciences
department_str Psychology{{{_:::_}}}College of Human and Health Sciences{{{_:::_}}}Psychology
document_store_str 1
active_str 1
researchgroup_str Psychology
description Rapid eye movement (REM) sleep and its main oscillatory feature, frontal theta, have been related to the processing ofrecent emotional memories. As memories constitute much of the source material for our dreams, we explored the linkbetween REM frontal theta and the memory sources of dreaming, so as to elucidate the brain activities behind theformation of dream content. Twenty participants were woken for dream reports in REM and slow wave sleep (SWS) whilemonitored using electroencephalography. Eighteen participants reported at least one REM dream and 14 at least one SWSdream, and they, and independent judges, subsequently compared their dream reports with log records of their previousdaily experiences. The number of references to recent waking-life experiences in REM dreams was positively correlatedwith frontal theta activity in the REM sleep period. No such correlation was observed for older memories, nor for SWSdreams. The emotional intensity of recent waking-life experiences incorporated into dreams was higher than the emotionalintensity of experiences that were not incorporated. These results suggest that the formation of wakefulness-related dreamcontent is associated with REM theta activity, and accords with theories that dreaming reflects emotional memory processingtaking place in REM sleep.
published_date 2018-06-04T13:44:19Z
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