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Brain Res Cogn Brain Res. 1999 Oct 25;8(3):365-8.

Individual differences in working memory and the peak alpha frequency shift on magnetoencephalography.

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Department of Psychology, Osaka University of Foreign Studies, 8-1-1 Aomadanihigashi, Minoo City, Japan.


The effect of the working memory demands on the peak alpha frequency of the power spectrum of magnetoencephalography (MEG) was investigated. There were one control condition and four listening span test (LST) conditions demanding the use of working memory. The results showed that the peak alpha frequency of the averaged MEG power shifted to the higher frequency region in the LST condition dominantly in the fronto-temporal region. Individual differences in working memory capacities were observed in the shift of peak alpha frequency of MEG.

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