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Mindfulness-based cognitive therapy neurobiology in treatment-resistant obsessive-compulsive disorder: A domain-related resting-state networks approach.

Víctor De la Peña-arteaga, Marta Cano, Daniel Porta-Casteràs, Muriel Vicent-Gil, Neus Miquel-Giner, Ignacio Martínez-zalacaín, Lorea Mar-Barrutia, Marina López-solà, Jessica R Andrews-Hanna, Carles Soriano-Mas, Pino Alonso, Maria Serra-Blasco, Clara López-solà, Narcís Cardoner

European Neuropsychopharmacology May 1, 2024 DOI: 10.1016/j.euroneuro.2024.02.011 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Observational cohort Peer reviewed
Sample size 12
Population OCD patients undergoing a 3-month MBCT programme
Intervention Mindfulness-based cognitive therapy
Duration 3-month programme
Topics Meditation
Keywords Brain connectivity Mindfulness-based interventions Neurobiology Neuroimaging Obsessive-compulsive disorder
Citations 5
Key findings Baseline connectivity patterns in the ventral default mode network and frontostriatal network, particularly the precuneus and frontopolar cortex, were associated with clinical domains and may serve as predictive and response biomarkers for MBCT in OCD.

Abstract

Mindfulness-based cognitive therapy (MBCT) stands out as a promising augmentation psychological therapy for patients with obsessive-compulsive disorder (OCD). To identify potential predictive and response biomarkers, this study examines the relationship between clinical domains and resting-state network connectivity in OCD patients undergoing a 3-month MBCT programme. Twelve OCD patients underwent two resting-state functional magnetic resonance imaging sessions at baseline and after the MBCT programme. We assessed four clinical domains: positive affect, negative affect, anxiety sensitivity, and rumination. Independent component analysis characterised resting-state networks (RSNs), and multiple regression analyses evaluated brain-clinical associations. At baseline, distinct network connectivity patterns were found for each clinical domain: parietal-subcortical, lateral prefrontal, medial prefrontal, and frontal-occipital. Predictive and response biomarkers revealed significant brain-clinical associations within two main RSNs: the ventral default mode network (vDMN) and the frontostriatal network (FSN). Key brain nodes -the precuneus and the frontopolar cortex- were identified within these networks. MBCT may modulate vDMN and FSN connectivity in OCD patients, possibly reducing symptoms across clinical domains. Each clinical domain had a unique baseline brain connectivity pattern, suggesting potential symptom-based biomarkers. Using these RSNs as predictors could enable personalised treatments and the identification of patients who would benefit most from MBCT.

Comparable studies

Other observational and cohort studies on meditation, most cited first.

Study Year Design Participants
Using Self-Report Assessment Methods to Explore Facets of Mindfulness Undergraduate students 2006 Observational cohort
Effectiveness of a meditation-based stress reduction program in the treatment of anxiety disorders Patients with generalized anxiety disorder or panic disorder with or without agoraphobia 1992 Observational cohort n = 22
Meditation experience is associated with increased cortical thickness Participants with extensive Insight meditation experience and matched controls 2005 Observational cohort n = 20
Meditation experience is associated with differences in default mode network activity and connectivity Experienced meditators and matched meditation-naive controls 2011 Observational cohort
Long-term meditators self-induce high-amplitude gamma synchrony during mental practice Long-term Buddhist practitioners and controls 2004 Observational cohort

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