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

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)297-308
Number of pages12
JournalAge
Volume32
Issue number3
DOIs
Publication statusPublished - Sep 2010
Externally publishedYes

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Electroencephalography
Inbred WKY Rats
Electromyography
Brain

Keywords

  • Aging
  • During exercise
  • EEG spectra
  • Theta power of the EEG
  • Treadmill exercise
  • Waking status

ASJC Scopus subject areas

  • Ageing
  • Geriatrics and Gerontology

Cite this

Kuo, T. B. J., Li, J. Y., Shen-Yu Hsieh, S., Chen, J. J., Tsai, C. Y., & Yang, C. C. H. (2010). Effect of aging on treadmill exercise induced theta power in the rat. Age, 32(3), 297-308. https://doi.org/10.1007/s11357-010-9143-y

Effect of aging on treadmill exercise induced theta power in the rat. / Kuo, Terry B J; Li, Jia Yi; Shen-Yu Hsieh, Sandy; Chen, Jin Jong; Tsai, Ching Yao; Yang, Cheryl C H.

In: Age, Vol. 32, No. 3, 09.2010, p. 297-308.

Research output: Contribution to journalArticle

Kuo, TBJ, Li, JY, Shen-Yu Hsieh, S, Chen, JJ, Tsai, CY & Yang, CCH 2010, 'Effect of aging on treadmill exercise induced theta power in the rat', Age, vol. 32, no. 3, pp. 297-308. https://doi.org/10.1007/s11357-010-9143-y
Kuo TBJ, Li JY, Shen-Yu Hsieh S, Chen JJ, Tsai CY, Yang CCH. Effect of aging on treadmill exercise induced theta power in the rat. Age. 2010 Sep;32(3):297-308. https://doi.org/10.1007/s11357-010-9143-y
Kuo, Terry B J ; Li, Jia Yi ; Shen-Yu Hsieh, Sandy ; Chen, Jin Jong ; Tsai, Ching Yao ; Yang, Cheryl C H. / Effect of aging on treadmill exercise induced theta power in the rat. In: Age. 2010 ; Vol. 32, No. 3. pp. 297-308.
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