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| Research article summary (published 30 Dec 2002): |
Do variables that affect similar bistable apparent-movement displays result in similar changes in perception?
Full Abstract
Two bistable apparent-movement displays (i.e. ones that generate two qualitatively different kinds of movement percepts under different conditions) were compared. They were designed to be as similar as possible spatially, and were studied with identical stimulus manipulations to see whether changes in balance between their bistable percepts would be similar. Results show that the two displays had different response characteristics to the same stimulus manipulations. Two models of motion perception that have previously predicted at least one kind of bistable apparent motion were considered in terms of how well they address the current data. As yet, neither model has been shown to predict the motion states and bistable behavior of the two displays studied here. It is concluded that results of the type described here (specifically, differences in the psychophysical functions yielded by two structurally similar but qualitatively different bistable displays) present a challenge for theories of motion perception.
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Author information
Author/s: Petersik, J Timothy (JT); Schellinger, Aura R (AR); Geiger, Sadie L (SL);
Affiliation: Department of Psychology, Ripon College, PO Barx 248, Ripon, WI 54971, USA. Petersikt(-atsign-)ripon.edu
Journal and publication information
Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't
Journal: Spatial vision (Spat Vis), published in Netherlands. (Language: eng)
Reference: 2003-; vol 16 (issue 2) : pp 105-23
Dates: Created 2003/04/16; Completed 2003/05/19; Revised 2006/11/15;
PMID: 12696857, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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