精神作業時脳波に出現する前頭シータ突発波のフィードバック学習と自己調節

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Feedback training and self-control of the theta burst of the frontal midline EEG's (F_mθ) were performed in volunteer university students. The F_mθ, the frequency of which is 6-7Hz of About 50 μV in amplitude, appeared in about half the total subjects during continuous addition. The addition was made by the Uchida-Kreapelin Psychdiagnostic test sheet. The F_mθ was considered to be closely related to a state of concentration of attention from the introspective observations. The subjects were informed of the appearance of F_mθ by tone pips when the F_mθ appeared in their own EEG's during the addition (training session). Then the subjects were instructed to press a button when they felt the appearance of the F_mθ (test session). Each session, training and test, lasted for ten minutes. After the trainings, five of seven subjects could make good guess of the appearance of F_mθ in about 70% of all the F_mθ. Latency of the press-button from the beginning of F_mθ was about 3 seconds, and did not change much throughout the test sessions. In confirmation experiment, the subjects made a guess whether the F_mθ appeared or not when the tone pips were given. The results Showed that the feelings closely related to the F_mθ were inconstant in the first two seconds of the F_mθ and became clear in the 3rd and the 4th second of it. Memory of the feelings survived for 10 to 12 months after the trainings. Self control of the F_mθ by the subjects themselves was easy by modifying the work speed. Even when the work speed was almost settled, the control was possible by modifying the degree of concentration of attention to the work.
日本心身医学会の論文
1974-10-01

精神作業時脳波に出現する前頭シータ突発波のフィードバック学習と自己調節

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