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ERIC Number: EJ809707
Record Type: Journal
Publication Date: 2008-Sep
Pages: 8
Abstractor: As Provided
Reference Count: 30
ISBN: N/A
ISSN: ISSN-0278-7393
A Principal Components Analysis of Dynamic Spatial Memory Biases
Motes, Michael A.; Hubbard, Timothy L.; Courtney, Jon R.; Rypma, Bart
Journal of Experimental Psychology: Learning, Memory, and Cognition, v34 n5 p1076-1083 Sep 2008
Research has shown that spatial memory for moving targets is often biased in the direction of implied momentum and implied gravity, suggesting that representations of the subjective experiences of these physical principles contribute to such biases. The present study examined the association between these spatial memory biases. Observers viewed targets that moved horizontally from left to right before disappearing or viewed briefly shown stationary targets. After a target disappeared, observers indicated the vanishing position of the target. Principal components analysis revealed that biases along the horizontal axis of motion loaded on separate components from biases along the vertical axis orthogonal to motion. The findings support the hypothesis that implied momentum and implied gravity biases have unique influences on spatial memory. (Contains 5 tables, 2 figures ,and 3 footnotes.)
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A