Citation

Bootsma RJ, Oudejans RR. J. Exp. Psychol. Hum. Percept. Perform. 1993; 19(5): 1041-1052.

Affiliation

Department of Psychology, Faculty of Human Movement Sciences, Free University, Amsterdam, The Netherlands.

Copyright

(Copyright © 1993, American Psychological Association)

DOI

unavailable

PMID

8228838

Abstract

In a forced-choice paradigm, human observers' sensitivity to visual information specifying a moving object's future time of arrival at a designated position in the field of view was evaluated. A geometrical analysis demonstrated that information specifying a first-order temporal relationship (i.e., without taking changes in velocity into account) is available in the combination of the relative rate of dilation of the optical contour of the moving object and the relative rate of constriction of the optical gap separating the moving object from the target position. Observers were sensitive to information contained in the relative rate of constriction of the optical gap if no contour dilation component was present and to the combination of information contained in the relative rates of dilation of the optical contour of the moving object and constriction of the optical gap if both were present albeit with a differential weighting of the 2 components.

Language: en