Related Experiment Videos
Understanding impulsivity in severe depression? A psychometrical contribution.
Emmanuelle Corruble1, Amine Benyamina, Franck Bayle
1Department of Psychiatry, Bicêtre Hospital, Assistance Publique Hôpitaux de Paris, UPRES PSIGIM, Paris XI University, 78, avenue du General Leclerc, 94230 Le Kremlin Bicêtre, France. emmanuelle.corruble@bct.ap-hop-paris.fr
Progress in Neuro-Psychopharmacology & Biological Psychiatry
|August 19, 2003
Summary
Severe depression is linked to suicidality, with impulsivity playing a key role. This study identified three impulsivity dimensions in depressed patients, two of which are associated with recent suicide attempts.
Area of Science:
- Psychiatry
- Clinical Psychology
- Neuroscience
Background:
- Severe depression is a significant risk factor for suicidality.
- Impulsivity is a core component of suicidal behavior.
- Understanding impulsivity structures in depression is crucial for suicide prevention.
Purpose of the Study:
- To investigate the structural dimensions of impulsivity in patients with severe depression.
- To examine the relationship between these impulsivity dimensions and past suicide attempts.
Main Methods:
- 127 inpatients with severe depression were assessed.
- Impulsivity was measured using the Impulsivity Rating Scale (IRS), Impulse Control Scale (ICS), and Barratt Impulsivity Scale (BIS).
- Assessments were conducted at admission and after four weeks of treatment.
Main Results:
- Three distinct dimensions of impulsivity were identified: behavioral loss of control, nonplanning, and cognitive impulsivity.
- These dimensions were found to be state-dependent.
- Loss of control and cognitive impulsivity dimensions were significantly associated with recent suicide attempts, while nonplanning was not.
Conclusions:
- The findings highlight the differential roles of impulsivity dimensions in suicide attempts among depressed individuals.
- Future research should explore biological and genetic correlates, such as the serotonergic system.
- Prospective studies are needed to determine the predictive value of these impulsivity dimensions for future suicide attempts.