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Article type :

journal-article

Author :

Pulwasha Anwar, Syeda Huma Salam Shah, Saira Fazal, Umaira Tariq

Volume :

3

Issue :

4

Abstract :

Background: Although Mindfulness-Based Cognitive Therapy (MBCT) has shown clear clinical efficacy across a range of psychological conditions and the specific processes through which it produces therapeutic benefits remain inadequately understood. Gaining insight into these mechanisms is crucial not only for refining theoretical models of MBCT but also for guiding effective implementation in varied cultural and clinical contexts. Understanding how cognitive, emotional and behavioral processes interact to mediate outcomes can inform both research design and clinical practice. Objectives: The present review sought to critically examine the empirical evidence regarding the mediators of MBCT that focusing on metacognitive, emotional and behavioral pathways. A particular emphasis was placed on synthesizing the limited but emerging data from studies conducted in Pakistan, providing insight into potential cross-cultural generalizability of these mechanisms. Method: Following PRISMA guidelines a systematic search was conducted to identify studies published between 2015 and 2025 that formally evaluated mediation processes underlying MBCT outcomes. Inclusion criteria required the use of formal mediation analysis techniques. Overall, 57 studies met the inclusion criteria. Given considerable variability in study designs assessment tools and analytical methods a narrative synthesis was undertaken. This synthesis was guided by a structured quality appraisal framework to critically assess methodological rigor and reliability of the findings. Results: Across the reviewed literature decentering and self-compassion consistently emerged as the strongest and most replicated mediators of MBCT effects. Evidence also suggested that improvements in emotion regulation and reductions in experiential avoidance may contribute to therapeutic change though these findings were less robust. A notable limitation across studies was the reliance on pre and post designs and self-report measures which restricted causal inference and complicated the understanding of temporal relationships among mediators. The four preliminary studies from Pakistan indicated that core MBCT mechanisms might operate similarly in non-Western contexts yet the evidence remains sparse and highlights the need for culturally validated measurement approaches. Conclusion: While progress has been made in identifying key mechanisms of MBCT, the overall evidence base is still constrained by methodological limitations. Future research should focus on longitudinal and experimental designs incorporate multimethod assessment strategies and integrate culturally sensitive approaches to implementation. Such work is essential for constructing more definitive mechanistic models and facilitating effective dissemination of MBCT across diverse populations.