Physical Therapy Korea (한국전문물리치료학회지)
- Volume 15 Issue 4
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- Pages.70-79
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- 2008
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- 1225-8962(pISSN)
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- 2287-982X(eISSN)
The Effects of EEG Power and Coherence on Cognitive Function in Normal Elderly, Non-Demented Elderly With Mild Cognitive Impairment, and Demented Elderly During Working Cognition Task
- Han, Dong-Wook (Dept. of Physical Therapy, Silla University)
- Received : 2008.08.09
- Accepted : 2008.10.31
- Published : 2008.11.19
Abstract
The purpose of this study was to find out the effects of electroencephalograph (EEG) power and coherence on cognitive function in normal elderly, non-demented elderly with mild cognitive impairment, and demented elderly during working cognition tasks. Forty elderly women (19 demented elderly, 10 non-demented elderly with mild cognitive impairment, 11 norma1 elderly) participated in this study, All subjects performed working cognition tasks with Raven's CPM while EEG signal was recorded, EEGs were measured continuously at rest and during the working cognition task. EEG power and coherence was computed over 21 channels: right and left frontal, central, parietal, temporal and occipital region. We found that there were more correct answers among normal elderly women than in other groups Owing the working cognition task,
Keywords
- Demented elderly;
- Electroencephalograph;
- Non-demented elderly with mild cognitive impairment;
- Normal elderly;
- Working cognition task