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Cognitive dysfunction and tardive dyskinesia.

F A Struve, A E Willner

    The British Journal of Psychiatry : the Journal of Mental Science
    |December 1, 1983
    PubMed
    Summary
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    This study found that psychiatric patients with neuroleptic-induced tardive dyskinesia (TD) show impaired abstracting ability. Cognitive deficits were evident even before the onset of TD, suggesting a potential early indicator.

    Area of Science:

    • Neuroscience
    • Psychiatry
    • Cognitive Psychology

    Background:

    • Tardive dyskinesia (TD) is a potentially irreversible neurological disorder associated with long-term antipsychotic use.
    • Understanding the early indicators and cognitive correlates of TD is crucial for timely intervention and management.

    Purpose of the Study:

    • To investigate the association between cognitive performance, specifically abstracting ability, and the development of neuroleptic-induced tardive dyskinesia (TD).
    • To determine if impaired cognitive function precedes the clinical manifestation of TD.

    Main Methods:

    • A prospective study design was employed, comparing psychiatric patients with established TD to control subjects.
    • Neuropsychological assessments measuring abstracting ability were administered to participants.

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    Main Results:

    • A statistically significant association was found between impaired abstracting ability and the presence of TD.
    • This cognitive impairment was detectable even when the neuropsychological assessment was performed prior to the onset of TD symptoms.

    Conclusions:

    • Impaired cognitive performance, particularly in abstracting ability, is linked to neuroleptic-induced TD.
    • Cognitive deficits may serve as an early biomarker for TD, offering potential for earlier detection and prevention strategies.