Cognitive deficits in treatment-resistant depression : Protocol for a systematic review and meta-Analysis
Introduction Major depressive disorder (MDD) is a major global healthcare challenge. This is, in part, due to the lack of treatment response and chronic course of MDD. Such a course of illness is often termed treatment-resistant depression (TRD) and is seen in over one-Third of people with MDD. Reasons for treatment resistance are not well established, nor is the definition of TRD. Duration and se
