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ERIC Number: EJ824534
Record Type: Journal
Publication Date: 2008-Dec
Pages: 15
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0096-1523
Planning Keypress and Reaching Responses: Effects of Response Location and Number of Potential Effectors
Adam, Jos J.; Taminiau, Bettine; van Veen, Natasja; Ament, Bart; Rijcken, Jons M.; Meijer, Kenneth; Pratt, Jay
Journal of Experimental Psychology: Human Perception and Performance, v34 n6 p1464-1478 Dec 2008
In previous work the authors argued that the potential number of effectors in the response set is crucial in discriminating (multiple-effector) keypress from (single-effector) reaching responses. It is not clear, however, what influence the locus of responding (on vs. off the stimulus location for reaching and keypressing, respectively) has on reaction time (RT) performance. In 3 experiments, the authors systematically manipulated response location and response type using a spatial precuing task. The results consistently showed that even though response location did influence the RTs of keypress and reaching responses, the effect of the number of potential effectors was dominant in shaping the prototypical RT profiles of the 2 response types. These outcomes underscore the importance of the anatomical identity, in addition to response location, in response coding and corroborate the notion that distinct mechanisms dominate performance in single- and multiple-effector visuomotor tasks.
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