Document Detail

Bilateral coordination in human infants: stepping on a split-belt treadmill.
MedLine Citation:
PMID:  2958589     Owner:  NLM     Status:  MEDLINE    
A motorized treadmill often elicits locomotor-like alternate stepping in 7-month-old infants who normally perform few, if any, stepping movements. The step cycle duration is a function of the speed of the treadmill. When infants were held so that each leg was on a separate treadmill belt, each of which was driven at a different speed, the overall cycle duration was intermediate between the cycle durations at the fast or slow speeds alone. Infants shortened the stance on the slow belt and increased the stance on the fast belt to maintain regularly alternating steps. Even before voluntary locomotion, both legs acted in a cooperative manner, with the dynamic status of one limb affecting the timespace behavior of the opposite limb.
E Thelen; B D Ulrich; D Niles
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of experimental psychology. Human perception and performance     Volume:  13     ISSN:  0096-1523     ISO Abbreviation:  J Exp Psychol Hum Percept Perform     Publication Date:  1987 Aug 
Date Detail:
Created Date:  1987-11-10     Completed Date:  1987-11-10     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7502589     Medline TA:  J Exp Psychol Hum Percept Perform     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  405-10     Citation Subset:  IM    
Department of Psychology, Indiana University, Bloomington 47405.
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MeSH Terms
Functional Laterality
Leg / physiology
Motor Skills* / physiology
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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