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ERIC Number: EJ945657
Record Type: Journal
Publication Date: 2011-Oct
Pages: 15
Abstractor: As Provided
Reference Count: 60
ISBN: N/A
ISSN: ISSN-0096-1523
Priming of Reach and Grasp Actions by Handled Objects
Masson, Michael E. J.; Bub, Daniel N.; Breuer, Andreas T.
Journal of Experimental Psychology: Human Perception and Performance, v37 n5 p1470-1484 Oct 2011
Pictures of handled objects such as a beer mug or frying pan are shown to prime speeded reach and grasp actions that are compatible with the object. To determine whether the evocation of motor affordances implied by this result is driven merely by the physical orientation of the object's handle as opposed to higher-level properties of the object, including its function, prime objects were presented either in an upright orientation or rotated 90[degrees] from upright. Rotated objects successfully primed hand actions that fit the object's new orientation (e.g., a frying pan rotated 90[degrees] so that its handle pointed downward primed a vertically oriented power grasp), but only when the required grasp was commensurate with the object's proper function. This constraint suggests that rotated objects evoke motor representations only when they afford the potential to be readily positioned for functional action. (Contains 7 figures.)
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: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A