Document Detail


Infant visual attention and step responsiveness to optic flow during treadmill stepping.
MedLine Citation:
PMID:  22982270     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study examined infant treadmill stepping in two groups of pre-locomotor infants in response to terrestrial optic flow. The optic flow was provided via the treadmill belt for flow translation that was directionally consistent with the forward stepping of the infants. Twelve 2-5-month-old and twelve 7-10-month-old infants participated. Visual attention (duration and direction) and step responsiveness (frequency and step types) were coded from digital video, and visuomotor coupling was examined by temporally juxtaposing the visual attention and step data. Longer durations of visual attention to the patterned belt with increased step frequencies during periods of visual attention were observed, suggesting that the visuotactile calibration afforded by the patterned treadmill belt, increased visuomotor coupling and enhanced the frequency and complexity of stepping in prelocomotor infants. The findings are discussed with regard to sensorimotor experiences that enhance treadmill stepping in infants and that may have application to clinical populations.
Authors:
Victoria A Moerchen; Mina E Saeed
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-13
Journal Detail:
Title:  Infant behavior & development     Volume:  35     ISSN:  1934-8800     ISO Abbreviation:  Infant Behav Dev     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806016     Medline TA:  Infant Behav Dev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  711-718     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Physical Therapy Program, Department of Kinesiology, College of Health Sciences, University of Wisconsin-Milwaukee, PO Box 413, Milwaukee, WI 53201, United States. Electronic address: moerchev@uwm.edu.
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