Research article summary:

Motor control and children with autism: deficit of anticipatory function?

Abstract Extract:
This study aims at investigating how do anticipatory postural adjustments develop in children with autism, during a bimanual load-lifting task that required maintaining the stabilisation of the forearm despite imposed or voluntary unloading. Elbow angle ... (Full abstract text below)

Published 2003Sep in Journal: Neurosci Lett (Language : eng)

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1. Neurosci Lett. 2003 Sep;348(1):17-20

Motor control and children with autism: deficit of anticipatory function?

Schmitz C, Martineau J, Barthélémy C, Assaiante C

Institut de Neurosciences Physiologiques et Cognitives - CNRS, 31 chemin J. Aiguier, 13402 Marseille Cedex 20, France. christina.schmitz@kbh.ki.se

This study aims at investigating how do anticipatory postural adjustments develop in children with autism, during a bimanual load-lifting task that required maintaining the stabilisation of the forearm despite imposed or voluntary unloading. Elbow angle and electromyographic were recorded on the child forearm supporting the load. The forearm stabilisation was as good in children with autism as in the control group. However, in children with autism, the latencies for both kinematics and muscular events indicated an increase of the duration of unloading. These results indicate the use of a feedback rather than a feed-forward mode of control. Impairments in both the building of internal representations and the mastering of timing parameters, could explain the deficient postural anticipation reported in children with autism.

PMID : 12893415 [PubMed - Indexed for MEDLINE]

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Full Author Information

First Name	LastName	Initials
Christina	Schmitz	C
Joëlle	Martineau	J
Catherine	Barthélémy	C
Christine	Assaiante	C

Affiliation: Institut de Neurosciences Physiologiques et Cognitives - CNRS, 31 chemin J. Aiguier, 13402 Marseille Cedex 20, France. christina.schmitz@kbh.ki.se

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