Related Experiment Video
Updated: Aug 6, 2026

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
Published on: April 26, 2024
Executive dysfunctions and depression in Behçet's disease without explicit neurological involvement
Nurper Erberk-Ozen1, Ahu Birol, Cumhur Boratav
1Department of Psychiatry, School of Medicine, Kirikkale University, Kirikkale, Turkey. nerberk@superonline.com
Patients with Behçet's disease show executive function deficits, even without obvious neurological symptoms. Mild depression and chronic stress may contribute to these cognitive impairments.
Area of Science:
- Neuroscience
- Psychiatry
- Rheumatology
Background:
- Behçet's disease is a systemic vasculitis with potential neurological and psychiatric manifestations.
- Executive functions are crucial for daily activities and can be affected by chronic inflammatory conditions.
Purpose of the Study:
- To evaluate executive functions and depression in Behçet's disease patients without overt neurological involvement.
- To explore the relationship between cognitive function and depression in this patient group.
Main Methods:
- A case-control study involving 30 Behçet's disease patients and 30 healthy controls.
- Assessment of depression using the Beck Depression Inventory.
- Evaluation of executive functions via the Wisconsin Card Sorting Test (WCST) and Stroop Test (ST).
Main Results:
- Behçet's disease patients exhibited higher depression scores than controls, though not clinically severe.
- Neuropsychological test scores, particularly for WCST, were significantly lower in the Behçet's disease group.
- Significant correlations were found between Beck Depression Inventory scores and WCST/ST performance.
Conclusions:
- Executive dysfunction in Behçet's disease may stem from factors beyond mild depression, such as chronic disease stress.
- Subtle or future neurological involvement, particularly affecting frontal lobes, could underlie observed executive impairments.
- Further research is warranted to elucidate the mechanisms of cognitive dysfunction in Behçet's disease.
Related Concept Videos
Depression: Overview
Depressive Disorders: MDD and Dysthymia
Depressive Disorders: Etiology
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Dissociative Disorders
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
Dementia l: Introduction
Negative and Cognitive Symptoms of Schizophrenia
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...