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Speculating about cognitive experiments using schizophrenics

S J Schneider

    Schizophrenia Bulletin
    |January 1, 1978
    PubMed
    Summary

    Models of selective attention suggest schizophrenia impairs stimulus selection more than attention mobilization. This means schizophrenic individuals may be distracted by different extraneous stimuli in cognitive research.

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    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Psychiatry

    Background:

    • Selective attention models explain how individuals process information.
    • Attentional deficits are a key feature in schizophrenia.
    • Understanding these deficits is crucial for cognitive research.

    Purpose of the Study:

    • To review models of selective attention.
    • To explore how attentional deficits in schizophrenia arise from model breakdowns.
    • To discuss implications for cognitive research in schizophrenia.

    Main Methods:

    • Review of existing selective attention models.
    • Analysis of potential links between model components and schizophrenic attentional deficits.
    • Discussion of research implications.

    Main Results:

    • Evidence suggests schizophrenia may impair the ability to select appropriate stimuli for attention.
    • The ability to mobilize attention might be less impaired than stimulus selection.
    • Individual differences in distractibility by extraneous stimuli are likely among schizophrenic subjects.

    Conclusions:

    • Schizophrenia's attentional impairment may lie in stimulus selection rather than attention mobilization.
    • Cognitive research must account for varied distractibility in schizophrenic participants.
    • This distinction has significant implications for designing and interpreting cognitive experiments in schizophrenia.

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