The Evolution of Cognitive and Behavioural Therapies Across Three Generations – A State of the Art

This work provides a comprehensive analysis of the evolution of cognitive and behavioural therapies across three generations, highlighting their theoretical foundations, methodological innovations, and clinical implications. The first generation, rooted in the behavioural paradigm, prioritised symptom reduction through observable change, but its limitations in addressing cognition and language stimulated the emergence of the second generation. This stage placed dysfunctional thoughts, beliefs, and cognitive processes at the centre of clinical intervention, consolidating the foundations of cognitivebehavioural therapy (CBT). The third generation, often referred to as the “third wave,” represents both continuity and innovation, as it integrates mindfulness, acceptance, and values-based action into established behavioural and cognitive frameworks. Interventions such as Dialectical Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), Mindfulness-Based Stress Reduction (MBSR), and Mindfulness-Based Cognitive Therapy (MBCT) exemplify this shift by promoting psychological flexibility, enhancing resilience, and addressing complex psychopathologies. The practical relevance of this analysis lies in demonstrating that modern cognitive and behavioural therapies are not limited to symptom management but serve as evidence-based approaches for improving overall functioning, preventing relapse, and supporting long-term well-being. Their methodological innovations are increasingly integrated into clinical practice, medical psychology, and professional training, making them central to multidisciplinary approaches in mental health care. By outlining the historical trajectory and contemporary applications, the study provides clinicians, researchers, and educators with a structured overview of how CBT and third-wave interventions contribute to sustainable psychological health and adaptive coping in diverse populations. In addition, the article emphasises the need for continued empirical evaluation of these interventions across cultural and clinical contexts to ensure their broad applicability. It also highlights the growing importance of integrating digital technologies and remote delivery formats, which expand access to evidencebased therapies and respond to emerging societal challenges.