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Screening devices for diminished cognitive capacity.

J J Strain1, G Fulop, A Lebovits

  • 1Division of Consultation-Liaison Psychiatry, Mount Sinai School of Medicine, New York, New York.

General Hospital Psychiatry
|January 1, 1988
PubMed
Summary
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This study evaluated three tests for detecting organic mental disorders. The Tachistoscope (T-Scope) showed higher sensitivity but was difficult to administer, highlighting the need for better screening tools.

Area of Science:

  • Neurology
  • Psychiatry
  • Medical Diagnostics

Background:

  • Organic mental disorders are a significant clinical concern.
  • Accurate and efficient screening tools are crucial for early detection and management.

Purpose of the Study:

  • To compare the diagnostic performance of three common screening tests for organic mental disorders: Mini-Mental State (MMS), Cognitive Capacity Screening Examination (CCSE), and Tachistoscope (T-Scope).

Main Methods:

  • Ninety-seven medical-surgical inpatients underwent psychiatric evaluation using the Missouri Mental Status Examination.
  • Patients' organic mental disorder severity was rated (none, mild, moderate, severe).
  • Sensitivity, specificity, and positive predictive values of CCSE, MMS, and T-Scope were calculated.

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Main Results:

  • The T-Scope demonstrated the highest sensitivity (0.68), while the CCSE had the highest specificity (0.85).
  • False negatives were more frequent in patients with mild organic mental disorders.
  • The T-Scope had administration challenges, with a 27% non-administration rate.

Conclusions:

  • Current screening instruments for organic mental disorders have limitations in sensitivity and specificity.
  • There is a need for developing improved screening tools with better acceptability and diagnostic accuracy to identify this potentially life-threatening condition.