精神薄弱児の発達に関する生理心理学的研究--脳波のオートパワスペクトルによる検討

概要

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This research was concerned with the development of the mentally retarded children's EEG. The subjects used were 36 normal and 39 mentally retarded children. The ages ranged from 3 to 15 in the normal and from 7 to 18 in the retarded. EEG was recorded monopolarly from the frontal, the central, the parietal and the occipital regions along the middle line, and the bilateral temporal regions. The EEG was put to auto-power spectrum analysis by the general purpose digital computer. When a dominant component in the spectrum appeared at frequencies lower than 8 Hz, subordinate components were manifest at frequencies higher than 8 Hz. On the contrary, when a dominant component appeared at frequencies higher than 8 Hz, subordinate components appeared at lower frequencies. These results were observed both in the normal and retarded. It was pointed out that it is important to examine both the dominant and the subordinate frequency in the developmental study of EEG components of EEG by auto-power spectrum analysis.
公益社団法人日本心理学会の論文