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Cognitive dysfunctions in recovered melancholic patients
T Marcos1, M Salamero, F Gutiérrez
1Department of Psychiatry and Clinical Psychology, Hospital Clínic i Provincial of Barcelona, Spain.
Journal of Affective Disorders
|October 1, 1994
Summary
Cognitive deficits in symptom-free patients with recurrent depressive disorder and melancholia were investigated. Findings suggest these cognitive dysfunctions may persist even when depression symptoms are absent, indicating they are not solely state-dependent.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Recurrent depressive disorder (RDD) with melancholia is associated with cognitive impairments.
- The nature and persistence of these cognitive dysfunctions require further elucidation.
Purpose of the Study:
- To investigate cognitive dysfunctions in symptom-free patients with RDD and melancholia.
- To determine if cognitive deficits are state-dependent or trait-dependent.
Main Methods:
- A standard neuropsychological battery was administered.
- Performance of patients was compared to a matched healthy control group.
Main Results:
- Significant differences were observed in immediate visual memory, delayed logical and visual memory, paired learning, and block design.
- Cognitive impairments extended beyond memory functions.
Conclusions:
- Cognitive dysfunctions in melancholic depression may not be solely memory-related.
- These deficits might be trait-dependent, persisting even in the absence of depressive symptoms.