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October 2021

Dissociations in the timing of stationary and moving stimuli

Author(s): Musseler, J.

Journal/Book: J Exp Psychol Hum Percep Perf. 1999; 25: 750 First St NE, Washington, DC 20002-4242, USA. Amer Psychological Assoc. 1709-1720.

Abstract: When participants are asked to localize the Ist position of a moving stimulus, they mislocalize it in the direction of the movement (Frohlich effect; F. W. Frohlich, 1923). This mislocalization points to a delay in the temporal sensation of a moving stimulus. However, the delay is in contrast to findings indicating a faster processing of moving stimuli. This potential dissociation was studied in 6 experiments. After establishing the effect spatially, different temporal tasks were examined under otherwise identical conditions. Simple as well as choice reaction times were shorter to moving than to stationary stimuli. Other tasks (choice reaction to structural features, temporal order judgment, and synchronization), however, produced opposite effects. Results support a view that the output of early stimulus processing directly feeds into the motor system, whereas the processing stages used, for example, for localization judgments are based on later integrative mechanisms.

Note: Article Aschersleben G, Max Planck Inst Psychol Forsch, Amalienstr 33, D-80799 Munich, GERMANY

Keyword(s): DIRECT PARAMETER SPECIFICATION; SIMPLE REACTION-TIME; REPRESENTATIONAL MOMENTUM; TEMPORAL-ORDER; SINUSOIDAL GRATINGS; CENTRIPETAL FORCE; VISUAL VELOCITY; MOTOR-RESPONSES; HUMAN-VISION; PERCEPTION


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