3 years ago

The stress–reward–mentalizing model of depression: An integrative developmental cascade approach to child and adolescent depressive disorder based on the research domain criteria (RDoC) approach

The Research Domain Criteria (RDoC) propose a much-needed change in approach to the study of vulnerability factors implicated in mental disorders, shifting away from a categorical, disease-oriented model to a dimensional approach that focuses on underlying systems implicated in psychopathology. In this paper we illustrate this approach with a focus on the emergence of depression in childhood and adolescence. Based on evolutionary biological and developmental psychopathology considerations, we present an integrative developmental cascade model of depression that essentially suggests that depression emerges out of a three-pronged series of interacting impairments in the domains of stress regulation, reward, and mentalizing. We discuss the relation of these impairments to the five domains proposed by RDoC. We also focus on how this model may explain in large part the marked comorbidity of depression with other psychiatric disorders, as well as with functional somatic and somatic disorders. Limitations of this theoretical approach are discussed, as well as implications for the development, evaluation, and dissemination of interventions aimed at preventing or treating depression.

Publisher URL: www.sciencedirect.com/science

DOI: S0272735815300878

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