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Correlation Dimension can Describe Infant Sitting Postural Development

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Fiscal Year:
2010
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Product Description:
We examined how the non-linear measure of Correlation Dimension (CoD) changes with development in typically developing (TD) infants during sitting posture. CoD has been used to evaluate the degrees of freedom during posture and measures the organization of COP data. Thirty five TD infants that scored above -0.5SD on the Peabody Developmental Scale came to the lab twice per month for four months. A physical therapist ranked sitting behavior at each visit according to three stages: 1) Prop sitting, 2) Variable, about 10 seconds of sitting, and 3) independent sitting all the time. Stage of sitting was considered the appropriate variable of development, because of the age variability which infants began to sit.
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Conference presentations and posters presented
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Consumers/Families, Professionals, Students
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