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Dr. McKinnon serves as the Homewood Chair in Mental Health and Trauma and as Professor and Associate Chair, Research in the Department of Psychiatry and Behavioural Neurosciences at McMaster University.  She is also the Research Lead in Mental Health and Addictions at St. Joseph's Healthcare Hamilton and a Senior Scientist at Homewood Research Institute.  Dr. McKinnon completed her PhD in Psychology at the University of Toronto followed by a post-doctoral fellowship at the internationally-renowned Rotman Research Institute at Baycrest Centre.  She is an elected Fellow of the Canadian Psychological Association and is dually licensed as a clinical psychologist and neuropsychologist.  Dr. McKinnon is well known for her work characterizing trauma-related illness and PTSD among military members, Veterans, first responders, and survivors of childhood abuse and trauma.  She has also been involved in the development and testing of novel treatment interventions aimed at often unexplored aspects of PTSD and trauma, including guilt and shame, moral injury, dissociation and cognitive dysfunction.  Dr. McKinnon serves as the Chair of the federally-funded PTSD Centre of Excellence's Research Reference group and works closely with government sectors including Veterans Affairs Canada and the Canadian Armed Forces.  She has published over 120 peer-reviewed papers and chapters and currently holds funding from the Canadian Institutes of Health Research, the Canadian Institute for Military and Veteran Health Research, Defence Canada, the PTSD Centre of Excellence, and the Workers Safety Insurance Board of Ontario, along with numerous private foundations, including True Patriot Love, the Cowan Foundation, the Military Casualty Support Foundation and the FDC Foundation.​

Featured Publications

McKinnon, M.C., Palombo, D., Nazarov, A., Kumar, N., Khuu, W., & Levine, B. (2015). Threat of death and autobiographical memory: A study of the passengers of Flight AT236. Clinical Psychological Science, 3(4):487-502.

Nazarov, A., McNeely, H., Kiang, M., Lanius, R. & McKinnon, M.C. (2015). The relation between morality and mental health in the North American military forces. Acta Psychiatrica Scandinavica. 2015 Mar 3. doi: 10.1111/acps.12406.

Oremus, C., Oremus, M., McNeely, H.M., Losier, B., Parlar, M., Hasey, G., Hall, G.B.C., King, M., ECT & Cognition Systematic Review Team, Lanius, R., & McKinnon, M.C. (2015). Effects of electroconvulsive therapy on cognitive functioning in patients with depression: Protocol for a systematic review and meta–analysis. BMJ: Open. 2015 Mar 11;5(3):e006966. doi: 10.1136/bmjopen-2014-006966.

Lanius, R., Frewen, P., Tursich, M. & McKinnon, M.C. (2015). Restoring large-scale brain networks in PTSD and related disorders: A proposal for neuroscientifically-based treatment interventions. European Journal of Psychotraumatology, 27313 -

Palombo, D., McKinnon, M.C., McIntosh, A., Anderson, A., Todd, R., Levine, B. (2015). The neural correlates of memory for a life-threatening event: An fMRI study of passengers from flight AT236. Clinical Psychological Science. DOI: 10.1177/2167702615589308


  • BA (Hons.), University of Windsor, 1997
  • MA, University of Toronto, 1998
  • PhD, University of Toronto, 2003
  • CPsych (College of Psychologists of Ontario)

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