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Andrew Nicholson

Andrew Nicholson

Member of:

ARC Network

Phone: +1 (613) 722-6521 ext. 7202


Province: Ontario

Affiliation: Homewood Research Institute

Institution: University of Ottawa

Languages: English (fluent spoken), English (fluent written)

Dr. Andrew Nicholson is an Assistant Professor within the School of Psychology at the University of Ottawa and is the Director of Clinical Research at the Atlas Institute for Veterans and Families at the Royal Ottawa Hospital. As a Scientist at the University of Ottawa’s Institute of Mental Health Research, he also holds the Atlas Institute Chair of Minority Stress and Trauma Research. Dr. Nicholson completed his Ph.D. in Neuroscience at Western University, Schulich School of Medicine and Dentistry, with Dr. Ruth Lanius. He then went on to complete two postdoctoral fellowships at the Homewood Research Institute (HRI), Canada and at the University of Vienna, Austria/the University of Zurich, Switzerland.

Nicholson’s research program is largely focused on better understanding the neural correlates of trauma and stress-related disorders, including PTSD. Additionally, his research aims to elucidate the neural underpinnings of minority stress/trauma exposure from an intersectional perspective (using neuroimaging modalities), in order to better understand the neurobiological basis of mental health burdens that disproportionally affect marginalized communities.

For more information, please see Andrew’s lab website:


Current Projects:

  • A randomized control trial of a novel approach to cognitive training in public safety personnel with post traumatic stress injuries

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