Journal of Physical Therapy Science
Online ISSN : 2187-5626
Print ISSN : 0915-5287
ISSN-L : 0915-5287
Original Articles
Development of a Brain Index for Dementia Diagnosis Using Quantitative EEG Analysis
Dongwook Han
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2013 年 25 巻 4 号 p. 497-500

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[Purpose] In this study, proposed and existing brain indexes derived from quantitative EEG analysis were compared in dementia cases and healthy subjects, to verify their clinical applicability in the diagnosis of dementia. [Subjects] The subjects of this study were 23 elderly women suffering from dementia and 18 elderly women without dementia, who consented to voluntary participation in this study after being informed of its purpose. [Method] There were two kinds of brain indexes used in this study. The first type was already in use and includes the attention (AT) index, the activation (AC) index, and the stress (ST) index. The second type of brain index, proposed by the author of this paper, comprises of the drowsiness (DS) index, the thinking (TK) index, and the complication (CP) index. [Result] There were significant differences between the AT index group and the TK index group in Fz, Fp1, and Fp2 of the prefrontal lobe. However, F3, F4, F7 and F8 of the frontal lobe, showed significant differences only in the AT index. For Pz, P3 and P4 of the parietal lobe, there were significant differences between the AT index group and the DS and TK index group. [Conclusion] The results show that a brain index for detecting dementia in a more accurate and objective way is needed, and that the development of a new brain index is feasible.

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© 2013 by the Society of Physical Therapy Science
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