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Sleep facilitates consolidation of positive emotional memory in healthy older adults
Gui, Wen-jun1; Wang, Peng-yun2; Lei, Xu1; Lin, Tian3; Horta, Marilyn3; Liu, Xiao-yi1; Yu, Jing1,2
First AuthorWen-jun Gui
Source PublicationMEMORY
Contribution Rank2

Evidence has demonstrated that sleep-related memory consolidation declines in ageing. However, little is known about age-related changes to sleep-related emotional memory consolidation, especially when considering the positivity effect observed in older adults. In the present study, we sought to explore whether there is a positive emotional bias in sleep-related memory consolidation among healthy older adults. Young and older adults were randomly assigned either into a sleep or wake condition. All participants encoded positive, negative, and neutral stimuli and underwent recognition tests immediately (test 1), after a 12-hour sleep/wake interval (test 2), and 3 days after test 2 (test 3). Results showed that age-related differences of sleep beneficial effect were modulated by emotion valence. In particular, sleep selectively enhanced positive memory in older adults, while in young adults sleep beneficial effect was manifested in neutral memory. Moreover, the sleep beneficial effect can be maintained at least 3 days in both young and older adults. These findings suggest that older adults had preserved but positive bias of sleep-related memory consolidation, which could be one of the underlying mechanisms for their generally better emotional well-being in daily life. These findings highlight the dynamic interplay among sleep and emotional memory in older adults.

KeywordAging Sleep Sleep-related Memory Consolidation Emotion Positivity Effect
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[31300856] ; National Natural Science Foundation of China[31571111] ; Ministry of Education of Humanities and Social Science project[17YJA190015] ; Fundamental Research Funds for the Central Universities[SWU1709221] ; Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences[KLMH2015G05]
WOS Research AreaPsychology
WOS SubjectPsychology, Experimental
WOS IDWOS:000456004400011
WOS KeywordSlow-wave Sleep ; Dependent Consolidation ; Promotes ; Amygdala ; Decline ; Impact ; Fmri ; Time
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Document Type期刊论文
Corresponding AuthorYu, Jing
Affiliation1.Southwest Univ, Fac Psychol, Chongqing 400715, Peoples R China
2.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
3.Univ Florida, Dept Psychol, Gainesville, FL 32611 USA
Corresponding Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
Gui, Wen-jun,Wang, Peng-yun,Lei, Xu,et al. Sleep facilitates consolidation of positive emotional memory in healthy older adults[J]. MEMORY,2019,27(3):387-396.
APA Gui, Wen-jun.,Wang, Peng-yun.,Lei, Xu.,Lin, Tian.,Horta, Marilyn.,...&Yu, Jing.(2019).Sleep facilitates consolidation of positive emotional memory in healthy older adults.MEMORY,27(3),387-396.
MLA Gui, Wen-jun,et al."Sleep facilitates consolidation of positive emotional memory in healthy older adults".MEMORY 27.3(2019):387-396.
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