How to Include Patients' Perspectives in the Study of the Mind: A Review of Studies on Depression.

Depression has been widely studied by researchers from different fields, but its causes, and mechanism of action are still not clear. A difficulty emerges from the shifting from objective diagnosis or analysis to exploration of subjective feelings and experiences that influence the individuals' expression, communication and coping in facing depression. The integration of the experiential dimension of the first-person in studies on depression-and related methodological recommendations-are needed to improve the validity and generalizability of research findings.