Developmental norms on four psychophysiological measures for use in the evaluation of psychotic disorders.

Age, sex and time of day effects on the duration of the movement after‐effect

“…The inverted U-shaped function of age is comparable to that found for reports of the duration of afterimages (Csank & Lehmann, 1958), and for several illusions (Leibowitz & Judisch, 1967;Holt & Matson, 1976). However, it is not characteristic of all after-effects, since some seem to show monotonic changes with age (Cowart et al, 1979).…”