A new US study has confirmed a sharp but unexplained rise in the number of childhoodautism cases being reported by health centres in California.
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Childhoodautism is now widely viewed as being of developmental neurobiological origin.
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There was no correlation of ChildhoodAutism Rating Scale or Developmental Profile 3 score with sleep problems in children with ASD.
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Morphometric measures were statistically compared between groups and correlated with age and scores on the Psychoeducational Profile-Revised and the ChildhoodAutism Rating Scale.
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The CHARGE ( ChildhoodAutism Risks from Genetics and Environment) study will address a wide spectrum of chemical and biologic exposures, susceptibility factors, and their interactions.