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• W3132686411 abstract "Wearable devices for remote and continuous health monitoring in older populations frequently include sensors for body temperature measurements (i.e., skin and core body temperatures). Healthy aging is associated with core body temperatures that are in the lower range of age-related normal values (36.3 ± 0.6°C, oral temperature), while patients with Alzheimer’s disease (AD) exhibit core body temperatures above normal values (up to 0.2°C). However, the relation of body temperature measures with neurocognitive health in older adults remains unknown. This study aimed to explore the association of body temperature with cognitive performance in older adults with and without mild cognitive impairment (MCI). Eighty community-dwelling older adults (≥65 years) participated, of which 54 participants were cognitively healthy and 26 participants met the criteria for MCI. Skin temperatures at the rib cage and the scapula were measured in the laboratory (single-point measurement) and neuropsychological tests were conducted to assess general cognitive performance, episodic memory, verbal fluency, executive function, and processing speed. In a subgroup ( n = 15, nine healthy, six MCI), skin and core body temperatures were measured continuously during 12 h of habitual daily activities (long-term measurement). Spearman’s partial correlation analyses, controlled for age, revealed that lower median body temperature and higher peak-to-peak body temperature amplitude was associated with better general cognitive performance and with better performance in specific domains of cognition; [e.g., rib median skin temperature (single-point) vs. processing speed: r s = 0.33, p = 0.002; rib median skin temperature (long-term) vs. executive function: r s = 0.56, p = 0.023; and peak-to-peak core body temperature amplitude (long-term) vs. episodic memory: r s = 0.51, p = 0.032]. Additionally, cognitively healthy older adults showed lower median body temperature and higher peak-to-peak body temperature amplitude compared to older adults with MCI (e.g., rib median skin temperature, single-point: p = 0.035, r = 0.20). We conclude that both skin and core body temperature measures are potential early biomarkers of cognitive decline and preclinical symptoms of MCI/AD. It may therefore be promising to integrate body temperature measures into multi-parameter systems for the remote and continuous monitoring of neurocognitive health in older adults." @default.
• W3132686411 created "2021-03-01" @default.
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• W3132686411 date "2021-02-12" @default.
• W3132686411 modified "2023-10-16" @default.
• W3132686411 title "Body Temperature Is Associated With Cognitive Performance in Older Adults With and Without Mild Cognitive Impairment: A Cross-sectional Analysis" @default.
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• W3132686411 doi "https://doi.org/10.3389/fnagi.2021.585904" @default.
• W3132686411 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7907648" @default.
• W3132686411 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33643019" @default.
• W3132686411 hasPublicationYear "2021" @default.
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