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| Research article summary (published 29 Apr 2003): |
Centripetal force draws the eyes, not memory of the target, toward the center.
Full Abstract
Many observers believe that a target will continue on a curved trajectory after exiting a spiral tube. Similarly, when observers were asked to localize the final position of a target moving on a circular orbit, displacement of the judged position in the direction of forward motion ("representational momentum") and toward the center of the orbit was observed (cf. T. L. Hubbard, 1996). The present study shows that memory displacement of targets on a circular orbit is affected by eye movements. Forward displacement was larger with ocular pursuit of the target, whereas inward displacement was larger with motionless eyes. The results challenge an account attributing forward and inward displacement to mental analogues of momentum and centripetal force, respectively.
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Author information
Author/s: Kerzel, Dirk (D);
Affiliation: Max Planck Institute for Psychological Research, Munich, Germany. dirk.kerzel(-atsign-)psychol.uni-giessen.de
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Journal of experimental psychology. Learning, memory, and cognition (J Exp Psychol Learn Mem Cogn), published in United States. (Language: eng)
Reference: 2003-May; vol 29 (issue 3) : pp 458-66
Dates: Created 2003/06/02; Completed 2003/09/17; Revised 2006/11/15;
PMID: 12776756, 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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