Spatial-Contrast Movement Aftereffect Can Be Rotary

The procedure for eliciting movement aftereffect (MAE) involves the subject's adapting to visual movement that subsequently stops. Conventionally, MAE is confined to the area of movement adaptation. However, Wohlgemuth (1911) demonstrated the existence of a type of MAE that had the opposite characteristics of an adjoining conventional MAE; the test area was unpatterned during adaptation and patterned during testing. This spatial-contrast MAE may be connected with the more recently identified induced movement MAE. Unfortunately, the eliciting movements have not necessarily been comparable; Wohlgemuth used centrifugal and centripetal movement, whereas induced movement MAE has generally been rotary. The results of this study indicate that rotary spatial-contrast MAE can be elicited by a display that, with modification, also elicits induced movement MAE and that the rotary spatial-contrast MAE is weaker than the equivalent induced movement MAE

Acoustics · Adaptation (eye · Centripetal force · Computer vision · Contrast (vision · Mechanics · Movement (music · Physics · Computer Science · Motor Control and Adaptation · Neural and Behavioral Psychology Studies · Neuroscience · Psychology · Visual perception and processing mechanisms

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