Gross motor development, movement abnormalities, and early identification of autism

Sally J Ozonoff, Gregory S. Young, Stacy Goldring, Laura Greiss-Hess, Adriana M. Herrera, Joel Steele, Suzanne Macari, Susan Hepburn, Sally J Rogers

Research output: Contribution to journalArticlepeer-review

199 Scopus citations


Gross motor development (supine, prone, rolling, sitting, crawling, walking) and movement abnormalities were examined in the home videos of infants later diagnosed with autism (regression and no regression subgroups), developmental delays (DD), or typical development. Group differences in maturity were found for walking, prone, and supine, with the DD and Autism-No Regression groups both showing later developing motor maturity than typical children. The only statistically significant differences in movement abnormalities were in the DD group; the two autism groups did not differ from the typical group in rates of movement abnormalities or lack of protective responses. These findings do not replicate previous investigations suggesting that early motor abnormalities seen on home video can assist in early identification of autism.

Original languageEnglish (US)
Pages (from-to)644-656
Number of pages13
JournalJournal of Autism and Developmental Disorders
Issue number4
StatePublished - Apr 2008


  • Autism
  • Early identification
  • Motor

ASJC Scopus subject areas

  • Psychology(all)
  • Developmental and Educational Psychology


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