Use of the terms “intensity” or “amount” to describe variously “rate” and “persistence” of the spiral aftereffect has led to some confusion. This article presents more precise definitions of these terms and examines some of their implications.
References
1.
GalleseA. J.Spiral aftereffect as a test of brain damage. J. clin. Psychol., 1956, 12, 254–258.
2.
HollandH. C.The spiral aftereffect. New York: Pergamon, 1965.
3.
HollandH. C.BeechH. R.The spiral aftereffect as a test of brain damage. J. ment. Sci., 1958, 101, 466–471.
4.
JordanA. E.The time decay of the spiral aftereffect in normal, brain damaged, and schizophrenic subjects. Unpublished doctoral dissertation, Florida State Univer., 1962.
5.
MaxwellA.Individual differences in reported duration of the spiral aftereffect. Percept. mot. Skills, 1968, 27, 870.
6.
PriceA. C.DeablerH. L.Diagnosis of organicity by means of the spiral aftereffect. J. consult. Psychol., 1955, 19, 299–302.
7.
ScottT. R.Psychophysical measurement of the spiral aftereffect: The MMG. Nwsltr for Coop. Res. in Psychol., 1960, 2, 24–31.
8.
ScottT. R.BraggR. A.SmarrR. G.Brain-damage diagnosis with the MMG. J. consult. Psychol., 1963, 27, 45–53.
9.
ScottT. R.LavenderA. D.McWhirtR. A.PowellD. A.Directional asymmetry of motion aftereffect. J. exp. Psychol., 1966, 71, 806–815.
