Sleep-dependent memory consolidation in young and aged brains

Young children and aged individuals are more prone to memory loss than young adults. One probable reason is insufficient sleep-dependent memory consolidation. Sleep timing and sleep-stage duration differ between children and aged individuals compared to adults. Frequent daytime napping and fragmente...

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Main Authors: Deependra Kumar, Masashi Yanagisawa, Hiromasa Funato
Format: Article
Language:English
Published: Elsevier 2024-01-01
Series:Aging Brain
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Online Access:http://www.sciencedirect.com/science/article/pii/S2589958924000203
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author Deependra Kumar
Masashi Yanagisawa
Hiromasa Funato
author_facet Deependra Kumar
Masashi Yanagisawa
Hiromasa Funato
author_sort Deependra Kumar
collection DOAJ
description Young children and aged individuals are more prone to memory loss than young adults. One probable reason is insufficient sleep-dependent memory consolidation. Sleep timing and sleep-stage duration differ between children and aged individuals compared to adults. Frequent daytime napping and fragmented sleep architecture are common in children and older individuals. Moreover, sleep-dependent oscillations that play crucial roles in long-term memory storage differ among age groups. Notably, the frontal cortex, which is important for long-term memory storage undergoes major structural changes in children and aged subjects. The similarities in sleep dynamics between children and aged subjects suggest that a deficit in sleep-dependent consolidation contributes to memory loss in both age groups.
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spelling doaj-art-8f126e1f2c954c8bb423f956496f44232025-08-20T02:21:07ZengElsevierAging Brain2589-95892024-01-01610012410.1016/j.nbas.2024.100124Sleep-dependent memory consolidation in young and aged brainsDeependra Kumar0Masashi Yanagisawa1Hiromasa Funato2Corresponding authors.; International Institute for Integrative Sleep Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-0006, JapanCorresponding authors.; International Institute for Integrative Sleep Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-0006, JapanCorresponding authors.; International Institute for Integrative Sleep Medicine, University of Tsukuba, Tsukuba, Ibaraki 305-0006, JapanYoung children and aged individuals are more prone to memory loss than young adults. One probable reason is insufficient sleep-dependent memory consolidation. Sleep timing and sleep-stage duration differ between children and aged individuals compared to adults. Frequent daytime napping and fragmented sleep architecture are common in children and older individuals. Moreover, sleep-dependent oscillations that play crucial roles in long-term memory storage differ among age groups. Notably, the frontal cortex, which is important for long-term memory storage undergoes major structural changes in children and aged subjects. The similarities in sleep dynamics between children and aged subjects suggest that a deficit in sleep-dependent consolidation contributes to memory loss in both age groups.http://www.sciencedirect.com/science/article/pii/S2589958924000203SleepMemoryAging
spellingShingle Deependra Kumar
Masashi Yanagisawa
Hiromasa Funato
Sleep-dependent memory consolidation in young and aged brains
Aging Brain
Sleep
Memory
Aging
title Sleep-dependent memory consolidation in young and aged brains
title_full Sleep-dependent memory consolidation in young and aged brains
title_fullStr Sleep-dependent memory consolidation in young and aged brains
title_full_unstemmed Sleep-dependent memory consolidation in young and aged brains
title_short Sleep-dependent memory consolidation in young and aged brains
title_sort sleep dependent memory consolidation in young and aged brains
topic Sleep
Memory
Aging
url http://www.sciencedirect.com/science/article/pii/S2589958924000203
work_keys_str_mv AT deependrakumar sleepdependentmemoryconsolidationinyoungandagedbrains
AT masashiyanagisawa sleepdependentmemoryconsolidationinyoungandagedbrains
AT hiromasafunato sleepdependentmemoryconsolidationinyoungandagedbrains