Article ; Online: Effects of sleep quality on diurnal variation of brain volume in older adults: A retrospective cross-sectional study.
2024 Volume 288, Page(s) 120533
Abstract: Aim: Brain volume is influenced by several factors that can change throughout the day. In addition, most of these factors are influenced by sleep quality. This study investigated diurnal variation in brain volume and its relation to overnight sleep ... ...
Abstract | Aim: Brain volume is influenced by several factors that can change throughout the day. In addition, most of these factors are influenced by sleep quality. This study investigated diurnal variation in brain volume and its relation to overnight sleep quality. Methods: We enrolled 1,003 healthy Koreans without any psychiatric disorders aged 60 years or older. We assessed sleep quality and average wake time using the Pittsburgh Sleep Quality Index, and divided sleep quality into good, moderate, and poor groups. We estimated the whole and regional brain volumes from three-dimensional T1-weighted brain MRI scans. We divided the interval between average wake-up time and MRI acquisition time (INT) into tertile groups: short (INT Results: Whole and regional brain volumes showed no significance with respect to INT. However, the `interaction between INT and sleep quality showed significance for whole brain, cerebral gray matter, and cerebrospinal fluid volumes (p < .05). The INT Conclusion: Human brain volume changes significantly within a day associated with overnight sleep in the individuals with good sleep quality. |
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MeSH term(s) | Humans ; Aged ; Cross-Sectional Studies ; Sleep Quality ; Retrospective Studies ; Brain/diagnostic imaging ; Gray Matter/diagnostic imaging ; Magnetic Resonance Imaging/methods |
Language | English |
Publishing date | 2024-02-08 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1147767-2 |
ISSN | 1095-9572 ; 1053-8119 |
ISSN (online) | 1095-9572 |
ISSN | 1053-8119 |
DOI | 10.1016/j.neuroimage.2024.120533 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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