Abstract and Keywords
The Diagnostic and Statistical Manual of Mental Disorders (DSM) has undergone considerable revisions since its first publication, with a continuous increase in the number of the anxiety and mood disorder categories. However, many researchers have expressed concern that the expansion of our nosology has resulted in less consideration of the overlapping features of emotional disorders. The purpose of this chapter is to review current issues and empirical evidence pertinent to the classification of anxiety and mood disorders and the relevance of these issues to treatment planning. It discusses discriminant validity, including diagnostic reliability and comorbidity, reviews the existing hierarchical models of emotional disorders, proposes a dimensional approach for classification of anxiety and mood disorders, and reviews transdiagnostic treatments of emotional disorders.
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