Abstract: EEG of normal and minimal brain dysfunction (MBD) children under four behavioral situations (eyes closed, listening to music and story, performing correction test) were observed. The results indicated that during eyes closed and attending to music the average of a rhythms of the left-hemisphere in the MBD children were lower than those of normal children; when listening to story-telling right hemisphere rhythms of MBD children were lower than that of the normal. In the correction test situation the percentage of error of MBD children was higher than that of the normal, and EEG results before and during the correct test did not change for the MBD children, but there was significant change in the normal children.

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