Unlinking negative cognition and symptoms of depression: evidence of a specific treatment effect for cognitive therapy.

In this study, the authors examined whether cognitive therapy alters the association between negative cognition and symptoms of depression. Participants were recruited during psychiatric hospitalization for depression. Following discharge, they were randomly assigned to 6 months of outpatient treatment. Treatment consisted of pharmacotherapy either alone or in combination with cognitive therapy and/or family therapy. Following this 6-month treatment period, negative cognition and symptoms of depression were assessed monthly for 1 year. Hierarchical linear modeling indicated that the association between negative cognition and depression during follow-up was weaker for patients randomized to cognitive therapy than for patients who did not receive cognitive therapy. Cognitive therapy appeared to unlink negative cognition and symptoms of depression to a greater extent than other forms of treatment.