"Motor" Impairment in Asperger Syndrome: Evidence for a Deficit in Proprioception
作者:
AMY WEIMER,
AMY SCHATZ,
ALAN LINCOLN,
ANGELA BALLANTYNE,
DORIS TRAUNER,
期刊:
Journal of Developmental & Behavioral Pediatrics
(OVID Available online 2001)
卷期:
Volume 22,
issue 2
页码: 92-101
ISSN:0196-206X
年代: 2001
出版商: OVID
关键词: Asperger syndrome;proprioception
数据来源: OVID
摘要:
Motor impairment has frequently been described in Asperger syndrome (AS), a pervasive developmental disorder included in theDiagnostic and Statistical Manual of Mental Disorders, 4th Edition(DSM-IV). Previous research focusing on this motor dysfunction has yielded inconsistent results, and the "clumsiness" observed clinically remains poorly defined. To clarify further the issue of motor impairment, we compared a group of 10 children and young adults who met DSM-IV criteria for AS with a control group with no neurological impairment. Subjects were matched on age, sex, socioeconomic status, and Verbal IQ. A broad battery of motoric tests was administered. Subjects with AS were found to perform more poorly than controls on tests of apraxia, one-leg balance with eyes closed, tandem gait, and repetitive finger-thumb apposition. No significant differences were found on tests of finger tapping, grooved pegboard, trail making, or visual-motor integration. The pattern of impairments suggests that a proprioceptive deficit may underlie the incoordination observed in AS and that these individuals may be overreliant on visual input to maintain balance and position in space.
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