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1.	Fjell, Anders M., et al. (author) Poor Self-Reported Sleep is Related to Regional Cortical Thinning in Aging but not Memory Decline-Results From the Lifebrain Consortium 2021 In: Cerebral Cortex. - : Oxford University Press. - 1047-3211 .- 1460-2199. ; 31:4, s. 1953-1969 Journal article (peer-reviewed)abstract We examined whether sleep quality and quantity are associated with cortical and memory changes in cognitively healthy participants across the adult lifespan. Associations between self-reported sleep parameters (Pittsburgh Sleep Quality Index, PSQI) and longitudinal cortical change were tested using five samples from the Lifebrain consortium (n = 2205, 4363 MRIs, 18-92 years). In additional analyses, we tested coherence with cell-specific gene expression maps from the Allen Human Brain Atlas, and relations to changes in memory performance. "PSQI # 1 Subjective sleep quality" and "PSQI #5 Sleep disturbances" were related to thinning of the right lateral temporal cortex, with lower quality and more disturbances being associated with faster thinning. The association with "PSQI #5 Sleep disturbances" emerged after 60 years, especially in regions with high expression of genes related to oligodendrocytes and S1 pyramidal neurons. None of the sleep scales were related to a longitudinal change in episodic memory function, suggesting that sleep-related cortical changes were independent of cognitive decline. The relationship to cortical brain change suggests that self-reported sleep parameters are relevant in lifespan studies, but small effect sizes indicate that self-reported sleep is not a good biomarker of general cortical degeneration in healthy older adults.

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Type of publication: journal article (1)

Type of content: peer-reviewed (1)

Author/Editor: Zsoldos, Eniko (1); Watne, Leiv Otto (1); Nyberg, Lars, 1966- (1); Pudas, Sara, Docent, ... (1); Lindenberger, Ulman (1); Brandmaier, Andreas ... (1); show more...; Bartrés-Faz, David (1); Drevon, Christian A. (1); Düzel, Sandra (1); Fjell, Anders M. (1); Mowinckel, Athanasia ... (1); Solé-Padullés, Crist ... (1); Suri, Sana (1); Walhovd, Kristine B. (1); Ebmeier, Klaus P. (1); Sørensen, Øystein (1); Idland, Ane Victoria (1); Vidal-Piñeiro, Didac (1); Kühn, Simone (1); Amlien, Inge K. (1); Demuth, Ilja (1); Ghisletta, Paolo (1); Wagner, Gerd (1); Sexton, Claire E. (1); Buchmann, Nikolaus (1); Kietzmann, Tim C. (1); Kievit, Rogier A. (1); Magnussen, Fredrik (1); Macià, Didac (1); Roe, James M. (1); Sederevicius, Donata ... (1); Westerhausen, René (1); show less...

University: Umeå University (1)

Language: English (1)

Research subject (UKÄ/SCB): Medical and Health Sciences (1); Social Sciences (1)Undo refine

Year: 2021 (1)Undo refine

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