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Magnetic resonance imaging of the posterior fossa in autistic adults

Published Online:https://doi.org/10.1176/ajp.149.2.245

Magnetic resonance imaging measurements were obtained for 12 adults with DSM-III-defined autism and a matched group of 12 normal subjects. No significant differences were found for mean midsagittal areas of pons, fourth ventricle, cerebellar vermis, or vermis lobules. No significant brain abnormalities were observed in either group.

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