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Title: Interceptive timing: prior knowledge matters
Author: López i Moliner, Joan
Field, D.
Wann, J.
Keywords: Temps de reacció (Psicologia)
Percepció visual
Processament humà de la informació
Reaction time (Psychology)
Visual perception
Human information processing
Issue Date: 2007
Publisher: Association for Research in Vision and Ophthalmology
Abstract: Fast interceptive actions, such as catching a ball, rely upon accurate and precise information from vision. Recent models rely on flexible combinations of visual angle and its rate of expansion of which the tau parameter is a specific case. When an object approaches an observer, however, its trajectory may introduce bias into tau-like parameters that render these computations unacceptable as the sole source of information for actions. Here we show that observer knowledge of object size influences their action timing, and known size combined with image expansion simplifies the computations required to make interceptive actions and provides a route for experience to influence interceptive action.
Note: Reproducció del document publicat a:
It is part of: Journal of Vision, 2007, vol. 7, num. 13, p. 1-8
ISSN: 1534-7362
Appears in Collections:Articles publicats en revistes (Cognició, Desenvolupament i Psicologia de l'Educació)

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