Spatial and temporal analysis of postural control in children with high functioning Autism Spectrum Disorder |
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| Institution: | 1. Université de Lyon, France;2. Université Claude Bernard Lyon 1, Villeurbanne, France;3. IFSTTAR, UMR_T9406, LBMC Laboratoire de Biomécanique et Mécanique des Chocs, F-69675, Bron, France;4. CTC, 4 rue Hermann Frenkel 69367 Lyon Cedex 7, France;5. Laboratory of Anatomy, Biomechanics and Organogenesis, CP 619, Université Libre de Bruxelles (ULB), Lennik Street 808, 1070 Brussels, Belgium;6. Université Jean Monnet Saint-Etienne, Service de Chirurgie Pédiatrique CHU Nord, 42055 Saint Etienne cedex 2, France |
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| Abstract: | BackgroundChildren with autism spectrum disorders (ASD) have poor postural stability. The objective of our study was to explore further postural capabilities in ASD children by measuring spatial as well as temporal displacement of the center of pressure using wavelet analysis.MethodThirty children with ASD (12.1 ± 2.9 years) and 30 sex-, age- and IQ-matched typically developing children participated in the study. We recorded postural control using Multitest, also called Balance Quest, Equilibre from Framiral® in three viewing conditions (eyes open, eyes closed and with perturbed vision) and in two postural conditions (stable and unstable).ResultsOur results show that children with ASD displayed a deficit in postural stability in comparison with typically developing children, especially when sensory inputs are not all available.ConclusionSuch poor postural control in children with ASD could be due to both an impairment in using sensorial inputs appropriately and a deficit in the ability to compensate for sensorial changes. |
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| Keywords: | Autism spectrum disorder Children Postural control Wavelet transformation Sensorial inputs |
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