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ERIC Number: EJ735317
Record Type: Journal
Publication Date: 2005-Dec
Pages: 8
Abstractor: Author
ISBN: N/A
ISSN: ISSN-0096-1523
EISSN: N/A
The Developmental Roots of the Speed-Accuracy Trade-Off
Zaal, Frank T. J. M.; Thelen, Esther
Journal of Experimental Psychology: Human Perception and Performance, v31 n6 p1266-1273 Dec 2005
The speed of adult reaching movements is lawfully related to the distance of the reach and the size of the target. The authors had 7-, 9-, and 11-month-old infants reach for small and large targets to investigate a possible relation between the emergence of this speed-accuracy trade-off and the improvements in infants' ability to pick up tiny objects. By 7 months of age, infants slowed down their reaches for smaller objects. The authors concluded that it was not the ability to use a precision grip that facilitated the speed-accuracy trade-off but rather the other way around. The slowing down toward the end of the movement might set the conditions for the development of fine distal control of the hand.
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
Grant or Contract Numbers: N/A