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Is insight in mania state-dependent?: A meta-analysis
S Nassir Ghaemi1, Klara J Rosenquist
1Bipolar Disorder Research Program, Department of Psychiatry, Cambridge Health Alliance, Cambridge, Massachusetts 02139, USA.
The Journal of Nervous and Mental Disease
|October 27, 2004
Summary
Insight in mania is state-dependent, improving with recovery from acute episodes. This contrasts with schizophrenia, where insight is trait-like, impacting treatment and research for bipolar disorder.
Area of Science:
- Psychiatry
- Clinical Psychology
- Neuroscience
Background:
- Insight is a trait-like condition in schizophrenia.
- The nature of insight in mania (state-dependent vs. trait-like) is not well-established.
- Understanding insight's nature has implications for treatment and research in bipolar disorder.
Purpose of the Study:
- To determine if insight in mania is state-dependent or trait-like.
- To compare insight in mania to insight in schizophrenia.
- To inform treatment and research strategies for bipolar disorder.
Main Methods:
- Conducted the first meta-analysis of studies assessing insight in mania.
- Performed a MEDLINE literature search to identify relevant reports.
- Included four longitudinal studies in the meta-analysis using standardized insight rating scales.
Main Results:
- Insight in mania appears to be state-dependent.
- Insight showed a significant 20% improvement after recovery from acute mania (p = .003).
- Improved insight correlates with the resolution of acute manic episodes in bipolar disorder.
Conclusions:
- Insight is state-dependent in bipolar disorder, improving with symptom resolution.
- Impaired insight should be considered a diagnostic feature of acute mania.
- Findings suggest different therapeutic and research approaches compared to schizophrenia.