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Association between Relative Hypothermia and Cognitive Function in Older Adults: A Cross-Sectional Study
Daiki Yamagiwa1, Osamu Katayama1, Ryo Yamaguchi1
1Department of Preventive Gerontology, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan.
Journal of the American Medical Directors Association
|January 30, 2025
Summary
Relative hypothermia, a measure of lower body temperature, is linked to memory decline in older adults. Wearable devices may help detect this risk early for cognitive health prevention.
Area of Science:
- Gerontology
- Neuroscience
- Biomedical Engineering
Background:
- Cognitive decline in aging populations is a significant public health concern.
- Early identification of risk factors for cognitive impairment is crucial for timely intervention.
- Wearable technology offers novel methods for continuous physiological monitoring in community-dwelling older adults.
Purpose of the Study:
- To investigate the association between relative hypothermia, measured by a wearable device, and cognitive function in older adults.
- To determine if relative hypothermia can serve as an indicator for preventing poor cognitive function.
Main Methods:
- A cross-sectional study involving 103 community-dwelling older adults (aged 60-90 years).
- Body temperature was continuously monitored using a wrist-worn device over one week.
- Relative hypothermia was defined as the percentage of daytime active phase body temperature below the 24-hour mean. Cognitive function was assessed across multiple domains, and brain atrophy was quantified.
Main Results:
- Relative hypothermia showed a significant association with memory function.
- Multiple regression analysis confirmed that relative hypothermia was independently associated with memory decline, even after accounting for age and brain atrophy severity.
Conclusions:
- Relative hypothermia is independently linked to diminished memory function in older adults.
- Monitoring relative hypothermia with wearable devices may offer a valuable tool for the early prevention of cognitive decline.
Keywords:
Relative hypothermiacognitive functionprevention of poor cognitive functiontemperaturewearable deviceMore Related Videos
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