Document Type
Article
Publication Date
1-1-2000
Publication Title
Psychological Science
Abstract
These studies examined the role of spatial encoding in inducing perception-action dissociations in visual illusions. Participants were shown a large-scale Müller-Lyer configuration with hoops as its tails. In Experiment 1, participants either made verbal estimates of the extent of the Müller-Lyer shaft (verbal task) or walked the extent without vision, in an offset path (blind-walking task). For both tasks, participants stood a small distance away from the configuration, to elicit object-relative encoding of the shaft with respect to its hoops. A similar illusion bias was found in the verbal and motoric tasks. In Experiment 2, participants stood at one endpoint of the shaft in order to elicit egocentric encoding of extent. Verbal judgments continued to exhibit the illusion bias, whereas blind-walking judgments did not. These findings underscore the importance of egocentric encoding in motor tasks for producing perception-action dissociations.
Volume
11
Issue
3
First Page
239
Last Page
243
DOI
10.1111/1467-9280.00248
ISSN
09567976
Rights
© 2000 American Psychological Society
Recommended Citation
Wraga, Maryjane; Creem, Sarah H.; and Proffitt, Dennis R., "Perception-Action Dissociations of a Walkable Müller-Lyer Configuration" (2000). Psychology: Faculty Publications, Smith College, Northampton, MA.
https://scholarworks.smith.edu/psy_facpubs/134
Comments
Archived as published.