Developmental changes in motor function in girls with Turner syndrome
Abstract
The Turner syndrome phenotype is characterized by a particular neurocognitive profile of normal verbal skills, impaired visuospatial and/or visuoperceptual abilities, and difficulty with motor function. We investigated motor function in non-estrogen-treated girls (ages 7-9 and 10-12 years) with Turner syndrome and age-matched female controls. Our goal was to delineate the differences in motor performance between girls with Turner syndrome (n = 78) and control girls (n = 145). Cognitive and motor tasks were administered, as well as nonspatial, repetitive motor tasks, and spatially mediated motor tasks. Questionnaires were also administered. Turner subjects performed less well than the controls on the motor tasks with the greatest spatial demands, particularly in the older age group (age 10-12.9 years). The older control group, unlike the older Turner syndrome group, had significantly increased speed on most of the motor tasks, suggesting a Turner syndrome-associated deficiency in motoric development. The superior performance of the dominant (right) versus the nondominant (left) hand was similar for the Turner syndrome and control groups. In general, the girls with Turner syndrome had evidence of a decreased sense of athletic abi...Continue Reading
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