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May 2023

[The EEG and thinking]

Journal/Book: EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb. 1990; 21: 207-18.

Abstract: The on-going EEG contains information on thinking strategies during cognitive and creative tasks and during listening to music. This was demonstrated by a method taking use of the fact that both the amount of local current production and the degree of electric coupling of brain regions is characteristically changed by mental tasks. In groups of volunteers the significant changes of absolute power and coherence caused by different mental tasks are computed and entered into schematic brain maps (EEG probability maps). The results indicate the existence of general brain strategies even in mental activities as specific as those referred to above. Moreover, several relationships between EEG, psychological test scores, degree of special education and intelligence were found. Studies with extreme value validation according to intelligence and creativity test scores yielded significant differences between the groups of the best and the poorest performers during a creative task in the EEG. The EEG thus can be conceived of as deterministic chaos with different degrees of organization according to its information content. In this context, the question arises as to a possible function of the EEG for the optimization of thinking processes.

Note: EEG und Denken.

Keyword(s): Cognition physiology; Creativeness ; English Abstract; Music ; Sex Characteristics Electroencephalography ; Thinking physiology Female; Human; Male; Support, Non U.S. Gov't

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