Abstract
Subjects rated the strength of the motion aftereffect (MAE) produced by the upward motion of a horizontal grating in two experiments. Inspection periods ranged from 30 to 900 sec in Ex-periment 1 and from 20 to 120 sec in Experiment 2. A minimum of 22 h elapsed between trials. The decay time constant increased as the square root of the inspection duration for values be-tween 1 min and 15 min of inspection. The ratings suggested that the MAEs consisted of three phases: an initial maximum-strength phase, a decay phase, and a tail. The duration of all three phases increased and the decay rate decreased with increasing inspection duration over the entire range. The results indicate that duration, time constant, and decay rate are not fixed properties of the motion-processing channels in the visual system.
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Hershenson, M. Duration, time constant, and decay of the linear motion aftereffect as a function of inspection duration. Perception & Psychophysics 45, 251–257 (1989). https://doi.org/10.3758/BF03210704
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DOI: https://doi.org/10.3758/BF03210704