Mindfulness-based psychotherapy in patients with obsessive-compulsive disorder: A meta-analytical Study

Addressing body dysmorphic disorder through mindfulness: A new therapeutic frontier

Body dysmorphic disorder presents in up to 2% of the general population, yet less than half seek psychological support. Some treatment barriers include poor illness insight, low body dysmorphic disorder awareness among mental health professionals and a lack of accessibility to body dysmorphic disorder-specific treatments. Currently available treatments for body dysmorphic disorder, including psychopharmacology and psychotherapy, show modest results in improving body dysmorphic disorder symptoms. With the reduced quality of life and increased risks of suicide among individuals with body dysmorphic disorder, there is a need for new and easily accessible therapeutic approaches specific to body dysmorphic disorder. Emerging research has suggested that mindfulness-based interventions show promise as an addition to available body dysmorphic disorder treatments. Clinical evidence of mindfulness-based interventions demonstrates efficacy in improving symptoms in eating disorders, social anxiety disorder and obsessive-compulsive disorder, conditions that have similar clinical presentations as body dysmorphic disorder. Mindfulness strategies, such as increasing interoceptive awareness, non-judgement and non-reactivity, are also suggested to reduce body image disturbances, anxiety and repetitive thoughts, and cognitive rigidity, clinical characteristics of body dysmorphic disorder. This perspective piece aims to provide evidences for integrating mindfulness into treatment protocols to support mental health professionals better address the challenges faced by individuals with body dysmorphic disorder.

Mindfulness- and acceptance-based programmes for obsessive-compulsive disorder: A systematic review and meta-analysis

Mindfulness- and acceptance-based programmes (MABPs) in the treatment of obsessive-compulsive disorder (OCD) are increasingly gaining research interest, yet a comprehensive systematic review and meta-analysis is missing. To fill this gap, we analysed 46 trials involving 2221 patients. Two independent reviewers screened records, extracted data, assessed risk of bias, and rated overall quality of evidence. MABPs were associated with large reductions in OCD-severity in between-group analysis in randomised controlled trials (k = 33; g = -.87; CI = -1.13,-.60) and within-group pre-post analysis in all MABPs (k = 49; g = -1.72; CI = -2.00,-1.44). Depressive symptoms decreased between- and within-group with a small to moderate effect, with maintained reductions at follow-up for both OCD and depression. Moderate to large pre-post improvements were also observed in anxiety, obsessive beliefs, and quality of life. MABPs did not differ from cognitive behavioural therapy and exposure and response prevention (k = 9; g=.02; CI = -.23,.26) but were superior to medication (k = 5; g = -.77; CI = -1.44,-.11) and waitlist (k = 16; g = -1.66; CI = -2.1,-1.24). Symptom reductions were observed across world regions, but to varying degrees. When combined, increases in mindfulness and psychological flexibility predicted reductions in OCD symptoms. Outcomes were not moderated by treatment duration, samples', and therapists' characteristics. MABPs can reduce OCD-severity, but further high-quality trials with long-term follow-ups are needed to confirm results.

Psychosocial Impact of the COVID-19 Pandemic in Brazilian Post-Peak Period: Differences Between Individuals with and Without Pre-Existing Psychiatric Conditions

(1) Background: Validated instruments to measure mental health variables related to sanitary crises can provide data for prevention or intervention plans. The objectives of this study were: (1) to evidence the psychometric factorial internal structure of the Battery for Assessing Mental Health-Pandemic Version (BASM-P) in the sample; (2) to investigate the psychosocial impact of the COVID-19 pandemic in Brazilian post-peak period among individuals with and without pre-existing psychiatric conditions using the BASM-P; and (3) to analyze relationships between the mental health variables measured by the BASM-P in both groups. (2) Methods: This is an internet-based quantitative, cross-sectional study with a non-probabilistic convenience sample. The participants (n = 209) were divided into a non-psychiatric group (n = 168) and a psychiatric group (n = 41). The instruments were the BASM-P and a sociodemographic questionnaire. Data were collected throughout the second semester of 2022 and analyzed with JASP software. (3) Results: The BASM-P demonstrated robust psychometric factorial internal structure. Significant differences were observed between the two groups across all variables. In the non-psychiatric group, obsessive thoughts presented strong connections to fear, distress, and grief from job loss. (4) Conclusions: This study highlights the central role of obsessive thoughts in shaping the psychosocial impact of the COVID-19 pandemic in the Brazilian post-peak period.

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

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.

Cognitive Impulsivity in Anorexia Nervosa in Correlation with Eating and Obsessive Symptoms: A Comparison with Healthy Controls

Impulsivity in eating disorders (ED) has been historically focused on bingeing-purging symptoms, evidencing lower levels in restricting subtypes. In the recent literature, obsessive-compulsive disorder (OCD) has been described as characterized by high cognitive impulsivity. This specific impulsivity factor has been rarely studied in anorexia nervosa (AN). In this study, 53 inpatients with anorexia nervosa and 59 healthy controls completed the following questionnaires: the Barratt Impulsiveness Scale (BIS-11), the Obsessive-Compulsive Inventory (OCI), the Eating Disorders Inventory-2 (EDI-2), the State-Trait Anxiety Inventory (STAI), and the Beck Depression Inventory (BDI). AN individuals showed significantly increased levels of cognitive instability but no difference in global score and other subscales of impulsivity compared to the healthy controls. Among AN individuals, cognitive instability emerged as being associated with the global score and obsession subscale of the OCI. It was also significantly associated with interoceptive awareness and impulse regulation. Cognitive instability was the main predictor of obsessive thoughts and behaviors in AN. Our study supports the hypothesis of AN as being characterized by high cognitive instability and adds the result that the cognitive domain of impulsivity may be associated with the presence of obsessive symptoms, specifically obsessive thoughts.

The Seeking Proxies for Internal States (SPIS) Model of OCD - A Comprehensive Review of Current Findings and Implications for Future Directions

The Seeking Proxies for Internal States (SPIS) model of obsessive-compulsive disorder (OCD) explains symptoms of OCD as stemming from attenuated access to internal states, which is compensated for by using proxies, which are indices of these states that are more discernible or less ambiguous. Internal states in the SPIS model are subjective states that are not accessible to others, encompassing physiological states, motivations, preferences, memories, and emotions. Compensatory proxies in OCD include fixed rules and rituals as well as seeking and relying on external information. In the present review, we outline the SPIS model and describe its basic tenets. We then use the SPIS conceptualization to explain two pivotal OCD-related phenomena - obsessive doubt and compulsive rituals. Next, we provide a detailed overview of current empirical evidence supporting the SPIS in several domains, including physiological states, emotions, sense of understanding, decision-making, and sense of agency. We conclude by discussing possible neural correlates of the difficulty in accessing internal states, focusing on the anterior insular cortex (AIC) and highlighting potential clinical implications of the model to the treatment of OCD.

Emotion dysregulation and social communication problems but not ToM properties may predict obsessive-compulsive disorder symptom severity

OBJECTIVE

Studies have shown that theory of mind, emotion regulation and pragmatic abilities are negatively affected in people with obsessive-compulsive disorder (OCD). We aimed to investigate theory of mind (ToM) abilities, social responsiveness, pragmatic language, and emotion regulation skills in children with OCD and to compare them to healthy controls.

METHODS

This study was designed as a single-center, cross-sectional, case-control study. ToM abilities were evaluated via "Reading the Mind in the Eyes Test" (RMET), "Faces Test", "Faux-Pas Test", "Comprehension Test" and "Unexpected Outcomes Test". Social responsiveness, pragmatic language and emotion regulation were evaluated by Social Responsiveness Scale (SRS), Children's Communication Checklist- Second Edition (CCC-2), Difficulties in Emotion Regulation Scale (DERS) and Children's Yale-Brown Obsessive-Compulsive Scale (CY-BOCS). Within the study period, we enrolled 85 adolescents (42 with OCD and 43 controls).

RESULTS

The OCD group performed significantly lower than healthy controls in the Faux Pass and Comprehension tests (p = 0.003 for both). We found a statistically significant difference between groups in terms of the goal, strategy, non-acceptance subscales of the DERS (p < 0.001, p = 0.006, p = 0.008, respectively) as well as the total DERS score (p < 0.001). CY-BOCS total scores correlated significantly and negatively with Comprehension, Faux Pas and Unexpected Outcomes tests, and positively with CCC total, SRS total and DERS total scores. In regression analysis the DERS, SRS and CCC tests emerged as significant predictors of CY-BOCS total score.

CONCLUSION

Addressing ToM, pragmatic, and ER difficulties when planning the treatment of young people with OCD may contribute to positive outcomes.