集中維持機能(TAF)に関する研究-9-脳波(alpha波)との関連について

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The studies by Adrian, McGregor, Motokizawa and others suggested that the concentration of attention is involved in the blocking of the alpha wave, which is known as the main wave of the human brain waves. Our experiment has been carried out to determine the relationship between alpha-blocking and TAF.The examinees were seated in a dark room and their brain waves were recorded in three states: eyes closed for 5 minutes, eyes opened for 10 minutes, simple viewing for 10 minutes of the same green light as that used in the TAF-test and testing of TAF for 15 minutes. The relation between alpha-blocking and the concentration of attention especially TAF was observed and discussed.1. The appearance of the alpha wave decreased in the following order: eye-opening in darkness, simple viewing of green light and TAF-test. (Fig. 3)2. The appearance of the alapha wave significantly varied with the elapse of time in the state of eye-opening in darkness, but it did not vary in simple viewing of green light nor in the TAF-test. (Fig. 2)3. The TAF-L did not show any significant change with the elapse of time in the group A (excellent in TAF) and C (inferior in TAF), while in the group B (fair in TAF) the TAF-L of the first three-minute period was significantly better than the values of the later three-minute periods. (Fig. 7)4. It was observed that the lower in TAF-L, the stronger in alpha-blocking. (Fig. 9)These results indicate that there is a significant relation between the concentration maintenance and the grade of alpha-blocking, and suggest that the TAF reflects the status of the cerebral cortex in concentrating attention and shows the characteristic pattern of the ability of concentration maintenance.
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集中維持機能(TAF)に関する研究-9-脳波(alpha波)との関連について

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