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    Attention deficits in childhood-onset schizophrenia: reaction time studies

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    Authors
    Zahn, Theodore P.
    Jacobsen, Leslie K.
    Gordon, Charles T.
    McKenna, Kathleen
    Frazier, Jean A.
    Rapoport, Judith L.
    UMass Chan Affiliations
    Department of Psychiatry
    Document Type
    Journal Article
    Publication Date
    1998-03-20
    Keywords
    Adolescent
    Adult
    *Attention
    Child
    Cohort Studies
    Female
    Humans
    Male
    Psychiatric Status Rating Scales
    *Reaction Time
    Schizophrenia, Childhood
    Mental Disorders
    Psychiatry
    Psychological Phenomena and Processes
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    Abstract
    The hypothesis of continuity between childhood-onset and adult schizophrenia was tested by comparing the performance of 15 patients with childhood-onset schizophrenia and 52 age-matched controls on 2 reaction time paradigms that have been used to study adult schizophrenia. On simple reaction time to tones with regular and irregular preparatory intervals of 2, 4, and 8 s, patients showed greater effects of the length of the preparatory interval in the regular condition and greater effects of the preparatory interval (girls only) and the preceding preparatory interval in the irregular series. On simple reaction time to random lights and tones, patients were faster on ipsimodal sequences than cross-modal sequences compared with controls. Overall, patients were much slower than controls in both paradigms. The results suggest similar attention dysfunction as is found in adult schizophrenia and thus are consistent with the continuity hypothesis.
    Source

    J Abnorm Psychol. 1998 Feb;107(1):97-108.

    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/45849
    PubMed ID
    9505042
    Related Resources

    Link to Article in PubMed

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    PDF uploaded because article is in the public domain (National Institute of Mental Health)
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    UMass Chan Faculty and Researcher Publications

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