(1938). A Variability Study of the Normal and Schizophrenic Occipital Alpha Rhythm: I. The Journal of Psychology: Vol. 6, No. 2, pp. 325-334.
No takes yet. Share an insight, caveat, or question.
Morton A. Rubin (1938) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: