Kicking coordination captures differences between full-term and premature infants with white matter disorder

被引:54
作者
Fetters, L
Chen, YP
Jonsdottir, J
Tronick, EZ
机构
[1] Boston Univ, Dept Rehabil Sci, Program Phys Therapy, Boston, MA 02215 USA
[2] Natl Yang Ming Univ, Inst Phys Therapy, Taipei 112, Taiwan
[3] Natl Yang Ming Univ, Fac Phys Therapy, Taipei 112, Taiwan
[4] Childrens Hosp, Dept Pediat, Child Dev Unit, Boston, MA 02115 USA
关键词
preterm infants; intralimb coordination; brain damage;
D O I
10.1016/j.humov.2004.02.001
中图分类号
Q189 [神经科学];
学科分类号
071006 [神经生物学];
摘要
This study explores the relation of white matter disorder (WMD) to intralimb coordination patterns in premature infants with very low birth weight (VLBW). We specifically measured the temporal-spatial characteristics of intralimb coordination patterns of the legs. Three groups of infants were compared at one month corrected age (CA): 10 premature infants born VLBW and WMD (PTWMD), 10 premature infants born VLBW without WMD (PT) and 10 full term infants (FT). Using kinematic variables, we discriminate among VLBW infants with WMD from the two comparison groups. Infants born with WMD maintain patterns of tight coupling among leg joints (all flexion or all extension) while PT and FT term infants have begun to decouple leg joints by this age (combinations of flexion with extension). The coupling pattern is captured through joint correlations, discrete relative phase, and phase plane portraits. The PTWMD infants also demonstrate aberrant patterns of coordination evident through both temporal and spatial characteristics of the kicks. This is the first evidence that movement disorder associated with brain lesions can be identified and quantified with kinematic variables as early as one month of age. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:729 / 748
页数:20
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