Effect of aging on treadmill exercise induced theta power in the rat

Terry B J Kuo, Jia Yi Li, Sandy Shen-Yu Hsieh, Jin Jong Chen, Ching Yao Tsai, Cheryl C H Yang

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13 引文 斯高帕斯(Scopus)


The effects of aging on the electroencephalogram (EEG) power spectra of 8- and 60-week-old Wistar-Kyoto rats were examined during the waking baseline and treadmill exercise. Using continuous and simultaneous recordings of EEG and electromyogram signals, this study demonstrated that the alpha (10-13 Hz), theta (6-10 Hz), and delta (0.5-4 Hz) powers of the EEG were significantly lower in older rats as compared with young rats during the waking baseline. In the young rats, treadmill exercise resulted promptly in a higher alpha power, higher theta power, and higher theta power percentage as compared with the waking baseline. In the aged rats, treadmill exercise only resulted in a higher theta power and higher theta power percentage. During the treadmill exercise, however, the aged rats still showed a significantly lower exercise-evoked theta power change than the young rats. These results suggested that aging is accompanied by lower EEG activities during waking and this also is accompanied by an attenuated response of the brain to exercise in the rat.
頁(從 - 到)297-308
出版狀態已發佈 - 九月 2010

ASJC Scopus subject areas

  • Ageing
  • Geriatrics and Gerontology

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