Document Detail

Sensory information utilization and time delays characterize motor developmental pathology in infant sitting postural control.
MedLine Citation:
PMID:  21628731     Owner:  NLM     Status:  In-Data-Review    
Sitting is one of the first developmental milestones that an infant achieves. Thus measurements of sitting posture present an opportunity to assess sensorimotor development at a young age. Sitting postural sway data were collected using a force plate, and the data were used to train a neural network controller of a model of sitting posture. The trained networks were then probed for sensitivity to position, velocity, and acceleration information at various time delays. Infants with typical development developed a higher reliance on velocity information in control in the anterior-posterior axis, and used more types of information in control in the medial-lateral axis. Infants with delayed development, where the developmental delay was due to cerebral palsy for most of the infants in the study, did not develop this reliance on velocity information, and had less reliance on short latency control mechanisms compared with infants with typical development.
Joan E Deffeyes; Regina T Harbourne; Wayne A Stuberg; Nicholas Stergiou
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Motor control     Volume:  15     ISSN:  1087-1640     ISO Abbreviation:  Motor Control     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-06-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706297     Medline TA:  Motor Control     Country:  United States    
Other Details:
Languages:  eng     Pagination:  302-17     Citation Subset:  IM    
Munroe-Meyer Institute, University of Nebraska Medical Center, Omaha, NE.
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