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Sensorimotor dysfunctions as primary features of autism spectrum disorders

Sensorimotor dysfunctions as primary features of autism spectrum disorders

作     者:Matthew W.MOSCONI John A.SWEENEY 

作者机构:Departments of Psychiatry and Pediatrics University of Texas Southwestern Medical Center 

出 版 物:《Science China(Life Sciences)》 (中国科学(生命科学英文版))

年 卷 期:2015年第58卷第10期

页      面:1016-1023页

核心收录:

学科分类:0710[理学-生物学] 0830[工学-环境科学与工程(可授工学、理学、农学学位)] 1002[医学-临床医学] 100205[医学-精神病与精神卫生学] 10[医学] 

基  金:supported by the National Institute of Child Health and Human Development Collaborative Program of Excellence in Autism(Grant No.HD35469) the National Institute of Mental Health Autism Center of Excellence(Grant No.P50HD055751) the National Alliance for Autism Research,and Autism Speaks Grant 4853 

主  题:autism motor cerebellum dyspraxia oculomotor 

摘      要:Motor impairments in autism spectrum disorders(ASD) have received far less research attention than core social- communication and cognitive features. Yet, behavioral, neurophysiological, neuroimaging and histopathological studies have documented abnormal motor system development in the majority of individuals with ASD suggesting that these deficits may be primary to the disorder. There are several unique advantages to studying motor development in ASD. First, the neurophysiological substrates of motor skills have been well-characterized via animal and human lesion studies. Second, many of the single-gene disorders associated with ASD also are characterized by motor dysfunctions. Third, recent evidence suggests that the onset of motor dysfunctions may precede the emergence of social and communication deficits during the first year of life in ASD. Motor deficits documented in ASD indicate disruptions throughout the neuroaxis affecting cortex, striatum, the cerebellum and brainstem. Questions remain regarding the timing and development of motor system alterations in ASD, their association with defining clinical features, and their potential for parsing heterogeneity in ASD. Pursuing these questions through neurobiologically informed translational research holds great promise for identifying gene-brain pathways associated with ASD.

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