Chronobiology: Human circadian pacemaker and circadian rhythms (original) (raw)
Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. By using our site, you agree to our collection of information through the use of cookies. To learn more, view our Privacy Policy.
2020, Japanese Journal of Physical Fitness and Sports Medicine
Sign up for access to the world's latest research.
checkGet notified about relevant papers
checkSave papers to use in your research
checkJoin the discussion with peers
checkTrack your impact
Related papers
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics, 2002
Although heart rate variability (HRV) has been found to be associated with increased mortality in the elderly, the association of HRV and cognitive function and activity of daily living (ADL) capacity in the very elderly are not clear. A sample of very elderly people (N = 138), aged 75 years and older, living in Urausu, Hokkaido, participated in this study. Participants were classified into three groups: normal, borderline, and dementia. Time and frequency domain measures of HRV were compared with behavioral and cognitive functions. HRV components, except for the LF/HF ratio, did not correlate with age in the very elderly. The LF component showed a statistically significant correlation with all the variables of behavioral functions. Most HRV components showed statistically significant and positive correlations with the flexibility of the back. The LF and LF/HF ratio were significantly lower in the dementia group than in the normal group. Although the meaning of the LF component is s...
Loading Preview
Sorry, preview is currently unavailable. You can download the paper by clicking the button above.