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Cognitive Training in Obsessive-Compulsive Disorder: A Systematic Review.
Mahashweta Bhattacharya1,2,3, Himani Kashyap1,2, Y C Janardhan Reddy2,3,4
1Dept. of Clinical Psychology, National Institute of Mental health and Neurosciences (NIMHANS), Bengaluru, Karnataka, India.
Indian Journal of Psychological Medicine
|May 10, 2024
Summary
Cognitive training (CT) shows promise for improving cognitive deficits in obsessive-compulsive disorder (OCD). However, limited controlled trials mean more research is needed to confirm its effectiveness for clinical symptoms.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Cognitive training (CT) is explored for neuropsychological deficits in psychiatric disorders.
- Recent interest in CT for obsessive-compulsive disorder (OCD) is growing.
- Understanding factors influencing CT efficacy in OCD remains limited.
Purpose of the Study:
- To critically review existing studies on cognitive training in obsessive-compulsive disorder.
- To summarize the current research landscape of CT for OCD.
- To identify methodological considerations for future research.
Main Methods:
- Systematic review adhering to Preferred Reporting of Items for Systematic Review and Meta-Analyses Protocols.
- Inclusion of empirical studies utilizing any form of cognitive remediation in individuals with OCD.
Main Results:
- Eight articles met inclusion criteria: 5 randomized controlled trials, 2 case series, 1 open-label trial.
- Studies predominantly showed improvements in trained cognitive functions.
- Generalization to untrained domains (clinical symptoms, socio-occupational functioning) was observed in only two studies.
Conclusions:
- The scarcity of controlled trials in CT for OCD limits definitive conclusions on efficacy.
- Current research provides a summary of the field and highlights key methodological challenges.
- Future studies should address identified limitations to advance understanding of CT in OCD.
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