Background: Psychodynamic psychotherapy has been used to treat depression for more than a century. However, not all patients respond equally well, and there are few reliable predictors of treatment outcome. Methods: We used resting 18F-fluorodeoxyglucose positron emission tomography (18FDG-PET) scans immediately before and after a structured, open trial of brief psychodynamic psychotherapy (n = 16) in conjunction with therapy process ratings and clinical outcome measures to identify neural correlates of treatment response. Results: Pretreatment glucose metabolism within the right posterior insula correlated with depression severity. Reductions in depression scores correlated with a pre- to posttreatment reduction in right insular metabolism, which in turn correlated with higher objective measures of patient insight obtained from videotaped therapy sessions. Pretreatment metabolism in the right precuneus was significantly higher in patients who completed treatment and correlated with psychological mindedness. Conclusions: Resting brain metabolism predicted both clinical course and relevant psychotherapeutic process during short-term psychodynamic psychotherapy for depression.
Ever since Freud, the couch has been viewed as an important--some would argue essential--component of psychoanalysis. Although many theoretical papers and case reports have addressed the use of the couch in psychoanalysis, no empirical study has investigated its effect on psychoanalytic process or outcome. After a review of the literature, a number of research designs are proposed that might be used in such an investigation. Finally, preliminary empirical data are presented from archived audiotapes of two psychoanalyses: one in which the patient switched from lying down to sitting up, and one in which the opposite occurred. The aim is to stimulate research-oriented psychoanalysts to undertake empirical investigations of the theoretical concepts underlying use of the couch and, more generally, to present a specific example of research as a paradigm for a broader research agenda for empirical investigation of the key theoretical ideas underlying psychoanalysis.
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