The reach–to–grasp movement in children with autism spectrum disorder

Author:

Mari Morena1,Castiello Umberto1,Marks Deborah2,Marraffa Catherine2,Prior Margot2

Affiliation:

1. Department of Psychology, Royal Holloway University of London, Egham, Surrey TW20 0EX, UK

2. Royal Children's Hospital, 3052 Parkville, VIC, Australia

Abstract

Autism is associated with a wide and complex array of neurobehavioural symptoms. Examination of the motor system offers a particularly appealing method for studying autism by providing information about this syndrome that is relatively immune to experimental influence. In this article, we considered the relationship between possible movement disturbance and symptoms of autism and introduced an experimental model that may be useful for rehabilitation and diagnostic purposes: the reach–to–grasp movement. Research is reviewed that characterizes kinematically the reach–to–grasp movement in children with autism compared with age–matched ‘controls’. Unlike the age–matched children, autistic children showed differences in movement planning and execution, supporting the view that movement disturbances may play a part in the phenomenon of autism.

Publisher

The Royal Society

Subject

General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology

Reference39 articles.

1. American Psychiatric Association 1987 Diagnostic and statistical manual of mental disorders 3rd edn. Washington DC: American Psychiatric Association.

2. American Psychiatric Association 1994 Diagnostic and statistical manual of mental disorders 4th edn. Washington DC: American Psychiatric Association.

3. Bauman M. L. 1992 Motor dysfunction in autism. In Movement disorders in neurology and neuropsychiatry (ed. A. B. Joseph & R. R. Young) pp. 658-661. Boston MA: Blackwell Scientific.

4. Bennett K. M. B. & Castiello U. (eds) 1994 Insights into the reach to grasp movement. Amsterdam: Elsevier.

5. Movements in autistic disorder

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