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Reliance on constraints means detection of information

Published online by Cambridge University Press:  20 August 2002

David M. Jacobs ,
Sverker Runeson  and
Isabell E.K. Andersson
David M. Jacobs
Affiliation:
Vrije Universiteit, Amsterdam, Faculty of Human Movement Sciences, 1081 BT Amsterdam, The Netherlandsd_jacobs@fbw.vu.nl http://www.fbw.vu.nl
Sverker Runeson
Affiliation:
Uppsala University, Department of Psychology, SE-75142 Uppsala, Swedensverker.runeson@psyk.uu.sewwwisabell.andersson@psyk.uu.sewww www.http://www.psyk.uu.se
Isabell E.K. Andersson
Affiliation:
Uppsala University, Department of Psychology, SE-75142 Uppsala, Swedensverker.runeson@psyk.uu.sewwwisabell.andersson@psyk.uu.sewww www.http://www.psyk.uu.se
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Abstract

We argue four points. First, perception always relies on environmental constraints, not only in special cases. Second, constraints are taken advantage of by detecting information granted by the constraints rather than by internalizing them. Third, apparent motion phenomena reveal reliance on constraints that are irrelevant in everyday perception. Fourth, constraints are selected through individual learning as well as evolution. The “perceptual-concept-of-velocity” phenomenon is featured as a relevant case. [Hecht; Kubovy & Epstein; Shepard]

Type
Brief Report
Information
Behavioral and Brain Sciences , Volume 24 , Issue 4 , August 2001 , pp. 679 - 680
Copyright
© 2001 Cambridge University Press

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