NDLI: Infant born preterm have delayed development of adaptive postural control in the first 5 months of life.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Dusing, Stacey C. Thacker, Leroy R. Galloway, James C.
Description	Author Affiliation: Dusing SC ( Motor Development Lab, Department of Physical Therapy, Department of Pediatrics, Virginia Commonwealth University, United States. Electronic address: scdusing@vcu.edu.); Thacker LR ( School of Nursing, Virginia Commonwealth University, United States. Electronic address: s2lrthac@vcu.edu.); Galloway JC ( Department of Physical Therapy, Biomechanics and Movement Sciences Program, University of Delaware, United States. Electronic address: jacgallo@udel.edu.)
Abstract	UNLABELLED: Infants born preterm are at increased risk of developmental disabilities, that may be attributed to their early experiences and ability to learn. The purpose of this paper was to evaluate the ability of infants born preterm to adapt their postural control to changing task demands. METHODS: This study included 18 infants born at 32 weeks of gestation or less whose posture was compared in supine under 2 conditions, with and without a visual stimulus presented. The postural variability, measured with root mean squared displacement of the center of pressure, and postural complexity, measured with the approximate entropy of the center of pressure displacement were measured longitudinally from 2.5 to 5 months of age. RESULTS AND DISCUSSION: The infants looked at the toys in midline for several months prior to adapting their postural variability in a manner similar to full term infants. Only after postural variability was reduced in both the caudal cephalic and medial lateral direction in the toy condition did the infants learn to reach for the toy. Postural complexity did not vary between conditions. These findings suggest that infants used a variety of strategies to control their posture. In contrast to research with infants born full term, the infants born preterm in this study did not identify the successful strategy of reducing movement of the center of pressure until months after showing interest in the toy. This delayed adaptation may impact the infants ability to learn over time.
File Format	HTM / HTML
ISSN	01636383
Journal	Infant Behavior and Development
Volume Number	44
e-ISSN	19348800
Language	English
Publisher	Elsevier
Publisher Date	2016-08-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Behavioral Sciences Discipline Pediatrics
Content Type	Text
Resource Type	Article
Subject	Developmental and Educational Psychology

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