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01-10-2009 | Original Paper

Sensory Impairments and Autism: A Re-Examination of Causal Modelling

Auteurs: Sue Gerrard, Gordon Rugg

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 10/2009

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Abstract

Sensory impairments are widely reported in autism, but remain largely unexplained by existing models. This article examines Kanner’s causal reasoning and identifies unsupported assumptions implicit in later empirical work. Our analysis supports a heterogeneous causal model for autistic characteristics. We propose that the development of a standardised framework for analysing autistic characteristics would facilitate the identification of sub-groups and the location of biological markers for genetic variation. We also support a neuroconstructivist model proposing that peripheral sensory abnormalities disrupt compilation of complex skills; impact on synaptogenesis, synaptic pruning and myelination; and subsequently manifest themselves as autistic behaviours. This model explains some of the structural and functional brain abnormalities and many of the perceptual, cognitive and attentional features found in autism.
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Metagegevens
Titel
Sensory Impairments and Autism: A Re-Examination of Causal Modelling
Auteurs
Sue Gerrard
Gordon Rugg
Publicatiedatum
01-10-2009
Uitgeverij
Springer US
Gepubliceerd in
Journal of Autism and Developmental Disorders / Uitgave 10/2009
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI
https://doi.org/10.1007/s10803-009-0773-9