Scientific Staff Profiles

This page allows you to read information about people engaged in research at CAMH. You can search for researchers using the name or keyword search engine below.

Dr. Michael Bagby Dr. Michael Bagby Clinical Research Department Centre for Addiction and Mental Health 250 College Street Toronto, Ontario M5T 1R8 (416) 535-8501 ext. 6939 michael_bagby@camh.net Dr. R. Michael Bagby is a Clinical Psychologist and Director of the Clinical Research Department. He is a Professor in the Department of Psychiatry and the Institute of Medical Science at the University of Toronto. Search again?
Areas of Research Dr. Bagby’s research is focused primarily on the role of personality in the formation and shape and onset of psychopathology, including anxiety disorders, disorders of mood, pathological gambling, and somatization disorders. He is also interested in personality and treatment outcome, with a focus on personality as a predictor in response to different types of interventions (e.g., cognitive therapy vs. pharmacotherapy) in the treatment of major depression. In addition, Dr. Bagby has an active program of research in psychodiagnostic assessment, especially the assessment and detection of malingering in forensic and disability evaluations. He has developed a number of psychological tests and interviews, reflecting his interest in test construction.
Publications Bagby, R. M., Quilty, L. C., & Ryder, A. R. (in press). Personality and depression: Conceptualization and new directions for treatment outcome. Canadian Journal of Psychiatry. Bagby, R. M., Quilty, L. C., Segal, Z. V., McBride, C. C., Kennedy, S. H. & Costa, P. T. (in press). Personality and the prediction of response in major depressive disorder: A randomized control trial comparing cognitive therapy and pharmacotherapy. Canadian Journal of Psychiatry. Ryder, A. G., Yang, J., Zhu, X., Yao, S., Yi, J., Heine, S. J., & Bagby, R. M. (in press). The cultural shaping of depressive symptoms: Somatization and psychologization in China and North America. Journal of Abnormal Psychology. Bagby, R. M., Vachon, D. D., Bulmash, E., Toneatto, T., Quilty, L. C. & Costa, P. T. (2007). Pathological Gambling and the Five-Factor Model of Personality. Personality and Individual Differences, 43, 873-880. De Fruyt, F., Van Leeuwen, K., Bagby, R. M., Rolland, J., & Rouillon, F. (2006). Assessing and interpreting personality change and continuity in patients treated for major depression. Psychological Assessment, 18, 71-80. McBride, C., Atkinson, L., Quilty, L. C., & Bagby, R. M. (2006). Attachment as a moderator of treatment outcome to major depression: A randomized control trial of interpersonal psychotherapy vs. cognitive behavior therapy. Journal of Consulting and Clinical Psychology, 74, 1041-1054. Bagby, R. M., Ryder, A. G., Schuller, D. R., & Marshall, M. B. (2004). The Hamilton Rating Scale for Depression: Has the gold standard become a lead weight? American Journal of Psychiatry, 161, 2163-2177. Bagby, R. M., Schuller, D. R., Marshall, M. B., & Ryder, A. G. (2004). Depressive personality disorder: Rates of comorbidity with personality disorder and relations to the five-factor model of personality. Journal of Personality Disorders, 18, 542-554. Praschak-Rieder, N., Hussey, D., Wilson, A. A., Carella, A., Lee, M., Dunn, E., Willeit, M., Bagby, R. M., Houle, S., & Meyer, J. H. (2004). Tryptophan depletion and serotonin loss in SSRI treated depression: A [18F] MPPF PET study. Biological Psychiatry, 56, 587-591. Keightley, M. L., Seminowicz, D. A., Bagby, R. M., Costa, P. T., Jr., Fossati, P., & Mayberg, H. S. (2003). Personality influences limbic-cortical interactions during sad mood induction. Neuroimage, 20, 2031-2039. McIntyre, R., Kennedy, S. H., & Bagby, R. M. (2002). Assessing full remission in response to antidepressant medication. Journal of Psychiatry and Neurosciences, 27, 235-239. Ryder, A. G., Bagby, R. M., & Schuller, D. R. (2002). The overlap of depressive personality disorder and dysthymia: A categorical problem with a dimensional solution. Harvard Review of Psychiatry, 10, 337-352. Yang, J., Bagby, R. M., Costa, P. T., Jr., Ryder, A. G., & Herbst, J. H. (2002). Assessing the DSM-IV structure of personality disorders with a sample of Chinese psychiatric patients. Journal of Personality Disorders, 16, 317-331. Tauscher, J., Bagby, R. M., Christensen, B. K., Kasper, S., & Kapur, S. (2001). Inverse relationship between serotonin 5-HT1A receptor binding potential and trait anxiety - a [11C]WAY-100635 PET investigation in healthy volunteers. American Journal of Psychiatry, 158, 1326-1328. Kennedy, S. H., Eisfeld, B. S., Dickens, S. E., Bacchiochi, J., & Bagby, R. M. (2000). Antidepressant-induced sexual dysfunction during treatment with moclobemide, paroxetine, sertraline, and venlafaxine. Journal of Clinical Psychiatry, 61, 276-281.
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