Varieties of Repetitive Behavior in Autism: Comparisons to Mental Retardation

@article{Bodfish2000VarietiesOR,
  title={Varieties of Repetitive Behavior in Autism: Comparisons to Mental Retardation},
  author={James W. Bodfish and Frank J. Symons and D E Parker and Mark H Lewis},
  journal={Journal of Autism and Developmental Disorders},
  year={2000},
  volume={30},
  pages={237-243}
}
Systematic study of abnormal repetitive behaviors in autism has been lacking despite the diagnostic significance of such behavior. The occurrence of specific topographies of repetitive behaviors as well as their severity was assessed in individuals with mental retardation with and without autism. The occurrence of each behavior category, except dyskinesias, was higher in the autism group and autistic subjects exhibited a significantly greater number of topographies of stereotypy and compulsions… 
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