Provides early pediatric alpha rhythm norms; leaves open validation against modern EEG cohorts and clinical thresholds.
(1939). A Longitudinal Study of the Occipital Alpha Rhythm in Normal Children: Frequency and Amplitude Standards. The Pedagogical Seminary and Journal of Genetic Psychology: Vol. 55, No. 1, pp. 197-213.
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Donald B. Lindsley (1939) studied this question.
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