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Self-awareness of cognitive functioning in schizophrenia
1Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Montefiore Medical Center, klau-2, 111 East 210 Street Bronx, NY 10467, USA. amedalia@aol.com
Schizophrenia Research
|October 12, 2004
Summary
People with schizophrenia often lack awareness of their cognitive deficits. Both patients and clinicians showed poor agreement with objective tests, highlighting a significant insight problem in schizophrenia cognitive impairment.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Poor awareness of psychiatric symptoms is common in schizophrenia.
- Cognitive impairment affects at least 85% of individuals with schizophrenia.
- Understanding insight into cognitive deficits is crucial for treatment compliance.
Purpose of the Study:
- To investigate awareness of cognitive impairment in schizophrenia.
- To compare patient self-assessments, clinician ratings, and objective neuropsychological test results.
- To determine the concordance between subjective and objective measures of cognition.
Main Methods:
- 185 outpatients with schizophrenia provided self-ratings of cognitive functioning.
- Clinicians rated the cognitive functioning of the same patients.
- Objective neuropsychological tests assessed attention, nonverbal memory, and verbal memory.
Main Results:
- Poor concordance was found among patient, clinician, and objective test assessments.
- Patients inaccurately classified their own cognitive status.
- Clinicians also demonstrated poor accuracy in classifying cognitive status based on test results.
Conclusions:
- Individuals with schizophrenia exhibit poor awareness of their cognitive deficits.
- Both patient self-awareness and clinician assessments show limited agreement with objective cognitive measures.
- These findings underscore a significant deficit in insight regarding cognitive impairment in schizophrenia.
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