Repetitive and stereotyped behaviours in pervasive developmental disorders.

  title={Repetitive and stereotyped behaviours in pervasive developmental disorders.},
  author={Iris Carcani-Rathwell and Sophia Rabe-Hasketh and Paramala Santosh},
  journal={Journal of child psychology and psychiatry, and allied disciplines},
  volume={47 6},
BACKGROUND Repetitive and stereotyped behaviours are a heterogeneous group of behaviours present in many neuropsychiatric disorders. Despite their core significance in PDD, it is not clear whether there are distinct groups of these behaviours with different specificity to autism. METHODS A two-factor model of the repetitive behaviours, namely sensory/motor (lower-order) and cognitive rigidity (higher-order), was conceptualised. The model's goodness of fit to the data was examined in a clinic… CONTINUE READING


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