Self-reported and neurocognitive impulsivity in obsessive-compulsive disorder
Ilana Frydman1, Paulo Mattos2, Ricardo de Oliveira-Souza2
1Obsessive, Compulsive, and Anxiety Spectrum Research Program, Institute of Psychiatry, Federal University of Rio de Janeiro, Brazil; D'Or Institute for Research and Education, Rio de Janeiro, Brazil.
Comprehensive Psychiatry
|December 22, 2019
Summary
Obsessive-compulsive disorder (OCD) patients show higher self-reported impulsivity, especially attentional impulsivity, but not in neurocognitive tests. Impulsivity in OCD is subjective and linked to symptom severity.
Area of Science:
- Neuroscience
- Psychiatry
- Clinical Psychology
Background:
- A behavioral addiction model for obsessive-compulsive disorder (OCD) has been suggested.
- However, the role and relationship of self-report and neurocognitive measures of impulsivity in OCD patients remain unclear.
Purpose of the Study:
- To investigate self-report and neurocognitive impulsivity in obsessive-compulsive disorder (OCD).
- To examine the relationship between different impulsivity measures and OCD symptom severity.
Main Methods:
- Seventeen OCD patients and 17 matched controls completed self-report impulsivity scales (Barratt Impulsivity Scale) and OCD/depression inventories.
- Participants underwent computerized tasks assessing reward, reflection, and motor impulsivity.
Main Results:
- OCD patients did not differ from controls in neurocognitive impulsivity measures.
- Patients reported significantly higher impulsivity, particularly attentional impulsivity.
- Attentional impulsivity correlated with obsessive-compulsive symptom severity.
Conclusions:
- Obsessive-compulsive disorder (OCD) appears characterized by subjective, rather than objective, impulsivity.
- Self-reported impulsivity in OCD is significantly influenced by the severity of the disorder's symptoms.
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