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    J Neuropsychiatry Clin Neurosci. 1992 Fall;4(4):406-14.

    Regional cerebral glucose metabolism and attention in adults with a history of childhood autism.

    Source

    California College of Medicine, University of California, Irvine.

    Abstract

    Sixteen high-functioning adults with a history of childhood autism and 26 normal control subjects underwent [18F]fluoro-2-deoxyglucose positron-emission tomography to assess regional cerebral glucose metabolic rate (GMR). Autistic patients had a left > right anterior rectal gyrus asymmetry, as opposed to the normal right > left asymmetry in that region. Patients also showed low GMR in the left posterior putamen and high GMR in the right posterior calcarine cortex. Brain regions with GMR > 3 SD from the normal mean were more prevalent in patients than in control subjects. This variable pattern of abnormal activity is consistent with heterogeneous neurophysiological etiology; group differences in striatum and cortex may represent a final common pathway.

    PMID:
    1422167
    [PubMed - indexed for MEDLINE]

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