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Related Experiment Videos

Clock drawing test in elderly schizophrenia patients

J Heinik1, Z Vainer-Benaiah, D Lahav

  • 1Margoletz Psychogeriatric Centre, Ichilov Hospital, Tel-Aviv, Israel.

International Journal of Geriatric Psychiatry
|June 1, 1997
PubMed
Summary
This summary is machine-generated.

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Elderly schizophrenia patients often show impaired clock drawing skills, potentially affecting Alzheimer

Area of Science:

  • Geriatric Psychiatry
  • Neuropsychology
  • Schizophrenia Research

Background:

  • Clock drawing tests are established for Alzheimer's disease assessment.
  • Limited research exists on clock drawing in elderly schizophrenia patients.
  • Understanding cognitive function in schizophrenia is crucial for patient care.

Purpose of the Study:

  • To evaluate clock drawing ability in elderly schizophrenia patients.
  • To identify correlations between clock drawing performance and demographic, clinical, and cognitive variables.

Main Methods:

  • Retrospective analysis of clock drawing item from the Cambridge Cognitive Examination (CAMCOG).
  • Utilized the Clock Drawing Interpretation Scale (CDIS) for scoring.
  • Study included 31 elderly schizophrenia inpatients (ages 60-76) in Israel.

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Main Results:

  • A significant portion of patients (61-84%) scored below the normal range on the CDIS.
  • High interrater reliability (0.91-0.96) was observed.
  • CDIS scores correlated significantly with illness duration, Manchester Scale, CAMCOG, and Mini-Mental State Examination scores.

Conclusions:

  • Impaired clock drawing is common in long-term institutionalized elderly schizophrenia patients.
  • Caution is advised when using clock drawing tests for Alzheimer's screening in this population.
  • Clock drawing ability appears linked to cognitive factors, psychiatric state, and illness duration.