Faculty profile
Andrew Nicholson
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Read how they describe their research on their McMaster University profile.
Research areas are derived from OpenAlex topics of their publications.
Latest papers
Toward a definition of treatment-resistant posttraumatic stress disorder: A systematic review
Journal of Military, Veteran and Family Health · 2026 · senior author
Putting the Amygdala and Hippocampus in PTSD to Rest
American Journal of Psychiatry · 2026 · senior author
Bridging the self to the world: resting-state functional connectivity of the temporoparietal junction in post-traumatic stress disorder and its dissociative subtype
NeuroImage: Clinical · 2026
Latest funding
- $2,398,952
NeuroValue: Cannabinoid variability and the biobehavioural architecture of valuation
CIHR · 2026 · Co-investigator
- $2,400,000
CannSleep: Exploring the relationship between cannabis and sleep in a nationally representative Canadian cohort and randomized controlled trial in PTSD
CIHR · 2026 · Co-investigator
- $948,600
A Tale of Two Targets: A Multisite, Randomized, Sham-Controlled Neurofeedback Clinical Trial Examining Regulation of the Amygdala vs. the Posterior Cingulate Cortex in PTSD
CIHR · 2026 · Nominated PI
Researchers with similar interests
Margaret McKinnon
Psychiatry & Behavioural Neurosciences
Posttraumatic Stress Disorder Research, Functional Brain Connectivity Studies
Jenna Boyd
Psychiatry & Behavioural Neurosciences
Posttraumatic Stress Disorder Research, Psychosomatic Disorders and Their Treatments
Alexandra Heber
Psychiatry & Behavioural Neurosciences
Posttraumatic Stress Disorder Research
Jonathan Stanley Davine
Psychiatry & Behavioural Neurosciences
Posttraumatic Stress Disorder Research
Taylor Hatchard
Psychiatry & Behavioural Neurosciences
Posttraumatic Stress Disorder Research
Benicio Frey
Psychiatry & Behavioural Neurosciences
Functional Brain Connectivity Studies
89 publications.
Toward a definition of treatment-resistant posttraumatic stress disorder: A systematic review
Al-Shamali HF, Meshkat S, Janssen-Aguilar R, Uthayakumar H, Burback L, Winkler O, Zhang Y, Greenshaw A, Enns MW, Nicholson AA
Putting the Amygdala and Hippocampus in PTSD to Rest
Frewen P, Nicholson A
Bridging the self to the world: resting-state functional connectivity of the temporoparietal junction in post-traumatic stress disorder and its dissociative subtype
Narikuzhy S, Harricharan S, Rabellino D, Densmore M, Théberge J, Lieberman J, McKinnon MC, Nicholson AA, Lanius RA
Augmenting evidence-based PTSD psychotherapy with neuroscientifically informed interventions: A mind-body-brain approach
Jetly R, Frewen P, Lieberman JM, Kearney B, Al-Shamali HF, Bhat V, Lanius R, Nicholson AA
A Mixed-Methods Study Exploring the Impact of Minority Stress on Trauma and Dissociation Symptoms Among Sexual and Gender Minorities: Preliminary Evidence for an Adapted Four-Dimensional Model of the Traumatized Self
Pichtikova M, Narikuzhy S, Villeneuve AH, Mirabelli J, Wolf J, Frewen P, Lanius R, Hatchard T, Schielke H, Levitt E
Investigating the Neurobiology of Minority Stress-related Moral Injury with fMRI
Nicholson A, Lynn E, Villeneuve AH, Klimkowski V, Siegel M, Horning J, Hatchard T, Narikuzhy S, Pichtikova M, Lanius R
Gray matter volume correlates of resilience: a coordinate-based meta-analysis
Hosseini-Kamkar N, Kamkar N, Kalahasthi R, Ghorayeb J, Razaan A, Nair A, Nicholson AA, Maswood M
EEG-AI: An agentic system for AI-assisted semi-automated EEG preprocessing and artifact removal
Abdou A, Ivanov M, Shaya S, Rueda A, Nezhad FG, Demchenko I, Kamaleddin MA, Frewen PA, Dunkley BT, Brady B
Longitudinal Mapping of a Randomized Controlled Trial of EEG Neurofeedback in PTSD: Early Symptom Stabilization and Implications for Adjunctive Therapeutic Potential
Lieberman J, Brady B, Lanius R, Ros T, Theberge J, Frey B, Bhat V, Scharnowski F, Nicholson AA
Longitudinal mapping of a randomized controlled trial of EEG neurofeedback in PTSD: Early symptom stabilization and implications for adjunctive therapeutic potential
Lieberman JM, Brady B, Lanius RA, Ros T, Théberge J, Frey BN, Bhat V, Scharnowski F, Nicholson AA
NeuroValue: Cannabinoid variability and the biobehavioural architecture of valuation
Principal investigators: Balodis, Iris M; Britz-Mckibbin, Philip; Hellemans, Kim G; Mayo, Leah M
Keywords: Adults; Cannabis; Effort-Based Decision-Making; Endocannabinoids; Metabolites; Neuroimaging; Reward; Stress; Thc; Valuation
CannSleep: Exploring the relationship between cannabis and sleep in a nationally representative Canadian cohort and randomized controlled trial in PTSD
Principal investigators: Mayo, Leah M; Clarke, Hance A; Hill, Matthew N; Robillard, Rébecca
Keywords: Cannabis; Indigenous Health; Ptsd; Rct; Sleep; Stress; Trauma
A Tale of Two Targets: A Multisite, Randomized, Sham-Controlled Neurofeedback Clinical Trial Examining Regulation of the Amygdala vs. the Posterior Cingulate Cortex in PTSD
Principal investigators: Nicholson, Andrew
Keywords: Military Members; Neurofeedback; Neuroimaging; Post-Traumatic Stress Disorder; Psychiatry; Real-Time Fmri; Trauma; Veterans
Healing with PsilOcybin-Assisted Intensive Cognitive Processing ThErapy for chronic PTSD (HOPE-PTSD): A Multi-Site Randomized Placebo-Controlled Pilot Clinical Trial
Principal investigators: Bhat, Venkat; Burback, Lisa; Jetly, Rakesh; Lanius, Ruth A; Lou, Wen-Yi W; Monson, Candice; Nicholson, Andrew; Pritlove, Cheryl; Vermetten, Eric
Keywords: Cognitive Processing Therapy; Posttraumatic Stress Disorder; Psilocybin
Trauma-focused Responsive AI Using MIRA (TRAUMIRA): Development and Evaluation of a Trauma-Focused AI Conversational Agent for Posttraumatic Stress Disorder Care
Principal investigators: Bhat, Venkat; Gallson, Dave; Greenshaw, Andrew J; Jetly, Rakesh; Monson, Candice; Porter, Ken D; Rockwell, Geoffrey M; Sharma, Divya; Zaiane, Osmar R
Keywords: Artificial Intelligence; Conversational Agent; Posttraumatic Stress Disorder
Regulating post-traumatic stress disorder neural networks: A real-time fMRI neurofeedback mechanistic study in frontline healthcare workers
Principal investigators: Nicholson, Andrew
Keywords: Dynamic Causal Modelling; Healthcare Workers; Neurofeedback; Neuroimaging; Post-Traumatic Stress Disorder; Psychiatry; Real-Time Fmri
Recalibrating Pathological Brain Network Connectivity using Real-time fMRI Neurofeedback among Frontline Healthcare Workers with Post-Traumatic Stress Disorder (PTSD)
Principal investigators: Lieberman, Jonathan
Keywords: Large-Scale Brain Networks; Neurofeedback; Neuropsychiatry; Post-Traumatic Stress Disorder; Real-Time Fmri; Trauma
A randomized control trial of a novel approach to cognitive training in public safety personnel with post traumatic stress injuries
Principal investigators: McKinnon, Margaret; Slade, Kimberley; Lanius, Ruth A
Keywords: Attention; Co-Morbid Conditions; Cognition; Executive Functioning; Fmri; Imaging; Memory; Ptsd; Public Safety Personnel; Rct
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Courses taught
1- Graduate
Independent Study in Neuroscience
NEUROSCI 722 · last taught 2021
Frequent collaborators
- Margaret McKinnon and Ruth Lanius: 111 shared papers
- Ruth Lanius and Andrew Nicholson: 58 shared papers
- Margaret McKinnon and Andrew Nicholson: 31 shared papers
- Margaret McKinnon and Randi McCabe: 27 shared papers
- Benicio Frey and Sabrina Syan: 26 shared papers
- Ruth Lanius and Paul Frewen: 26 shared papers
- Benicio Frey and Randi McCabe: 25 shared papers
- Andrew Greenshaw and Yanbo Zhang: 24 shared papers
- Alexandra Heber and Ruth Lanius: 21 shared papers
- Venkat Bhat and Yanbo Zhang: 21 shared papers
- Margaret McKinnon and Anthony Nazarov: 20 shared papers
- Margaret McKinnon and Andrea Brown: 20 shared papers
- Andrew Greenshaw and Venkat Bhat: 20 shared papers
- Margaret McKinnon and Alexandra Heber: 19 shared papers
- Margaret McKinnon and Jenna Boyd: 18 shared papers
- Anthony Nazarov and Ruth Lanius: 18 shared papers
- Margaret McKinnon and Kimberly Ritchie: 17 shared papers
- Benicio Frey and Margaret McKinnon: 16 shared papers
- Alexandra Heber and Andrea Brown: 15 shared papers
- Jenna Boyd and Ruth Lanius: 15 shared papers
- Benicio Frey and Venkat Bhat: 14 shared papers
- Randi McCabe and Ruth Lanius: 14 shared papers
- Randi McCabe and Kimberly Ritchie: 14 shared papers
- Taylor Hatchard and Andrew Nicholson: 14 shared papers
- Ruth Lanius and Kimberly Ritchie: 14 shared papers
- Ruth Lanius and Andrea Brown: 13 shared papers
- Sue Becker and Margaret McKinnon: 12 shared papers
- Margaret McKinnon and Paul Frewen: 10 shared papers
- Alexandra Heber and Anthony Nazarov: 10 shared papers
- Randi McCabe and Jenna Boyd: 9 shared papers
- Taylor Hatchard and Ruth Lanius: 8 shared papers
- Maiko Schneider and Taylor Hatchard: 7 shared papers
- Andrew Nicholson and Paul Frewen: 7 shared papers
- Benicio Frey and Andrew Nicholson: 6 shared papers
- Andrew Nicholson and Venkat Bhat: 6 shared papers
- Benicio Frey and Maiko Schneider: 5 shared papers
- Randi McCabe and Andrew Nicholson: 5 shared papers
- Maiko Schneider and Andrew Nicholson: 5 shared papers
- Taylor Hatchard and Jennifer Hewitt: 5 shared papers
- Sue Becker and Benicio Frey: 4 shared papers
- Randi McCabe and Jennifer Hewitt: 4 shared papers
- Jenna Boyd and Jennifer Hewitt: 4 shared papers
- Taylor Hatchard and Sabrina Syan: 4 shared papers
- Andrew Nicholson and Jitender Sareen: 4 shared papers
- Sue Becker and Ruth Lanius: 3 shared papers
- Randi McCabe and Sabrina Syan: 3 shared papers
- Alexandra Heber and Andrew Nicholson: 3 shared papers
- Jenna Boyd and Andrew Nicholson: 3 shared papers
- Jennifer Hewitt and Andrew Nicholson: 3 shared papers
- Andrew Nicholson and Andrew Greenshaw: 3 shared papers
- Jitender Sareen and Andrew Greenshaw: 3 shared papers
- Jitender Sareen and Venkat Bhat: 3 shared papers
- Sue Becker and Andrew Nicholson: 2 shared papers
- Sabrina Syan and Andrew Nicholson: 2 shared papers
- Ruth Lanius and Yanbo Zhang: 2 shared papers
- Ruth Lanius and Rakesh Jetly: 2 shared papers
- Andrew Nicholson and Kimberly Ritchie: 2 shared papers
- Andrew Nicholson and Andrea Brown: 2 shared papers
- Andrew Nicholson and Yanbo Zhang: 2 shared papers
- Andrew Nicholson and Rakesh Jetly: 2 shared papers
- Margaret McKinnon and Albina Veltman: 1 shared paper
- Margaret McKinnon and Rakesh Jetly: 1 shared paper
- Taylor Hatchard and Albina Veltman: 1 shared paper
- Sabrina Syan and Albina Veltman: 1 shared paper
- Anthony Nazarov and Andrew Nicholson: 1 shared paper
- Albina Veltman and Andrew Nicholson: 1 shared paper
- Andrew Nicholson and Anand Kumar: 1 shared paper
- Andrew Nicholson and Alexandra Binnie: 1 shared paper
- Andrew Nicholson and Andrea Jones: 1 shared paper
- Anand Kumar and Alexandra Binnie: 1 shared paper
- Anand Kumar and Andrea Jones: 1 shared paper
- Alexandra Binnie and Andrea Jones: 1 shared paper
- Psychiatry & Behavioural Neurosciences
- Department of Psychiatry
- Occupational Therapy
- Psychiatry
- Behavioural Neuroscience & Psychiatry
- Department of Psychology, Neuroscience & Behaviour
- Critical Care Medicine
- Other
Co-authors at McMaster University, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Ruth Lanius
Psychiatry & Behavioural Neurosciences
58 shared papers, latest 2026
Margaret McKinnon
Psychiatry & Behavioural Neurosciences
31 shared papers, latest 2026
Taylor Hatchard
Psychiatry & Behavioural Neurosciences
14 shared papers, latest 2026
Paul Frewen
Psychiatry
7 shared papers, latest 2026
Venkat Bhat
Behavioural Neuroscience & Psychiatry
6 shared papers, latest 2026
Benicio Frey
Psychiatry & Behavioural Neurosciences
6 shared papers, latest 2026
Maiko Schneider
Psychiatry & Behavioural Neurosciences
5 shared papers, latest 2025
Randi McCabe
Psychiatry & Behavioural Neurosciences
5 shared papers, latest 2025
Jitender Sareen
Department of Psychiatry
4 shared papers, latest 2026
Andrew Greenshaw
Occupational Therapy
3 shared papers, latest 2026
Alexandra Heber
Psychiatry & Behavioural Neurosciences
3 shared papers, latest 2024
Jennifer Hewitt
Psychiatry & Behavioural Neurosciences
3 shared papers, latest 2025
Jenna Boyd
Psychiatry & Behavioural Neurosciences
3 shared papers, latest 2025
Rakesh Jetly
Department of Psychiatry
2 shared papers, latest 2026
Andrea Brown
Psychiatry & Behavioural Neurosciences
2 shared papers, latest 2024
Kimberly Ritchie
Psychiatry & Behavioural Neurosciences
2 shared papers, latest 2024
Yanbo Zhang
Occupational Therapy
2 shared papers, latest 2026
Sue Becker
Department of Psychology, Neuroscience & Behaviour
2 shared papers, latest 2023
Sabrina Syan
Psychiatry & Behavioural Neurosciences
2 shared papers, latest 2023
Valerie Page
Faculty
1 shared papers, latest 2020
Robert Fowler
Infectious Diseases/Internal Medicine
1 shared papers, latest 2020
Laurent Brochard
Critical Care Medicine
1 shared papers, latest 2020
Marco Leyton
Psychiatry
1 shared papers, latest 2023
Richard Gould
Clinical Public Health Division
1 shared papers, latest 2020
Cheryl Misak
Department of Philosophy
1 shared papers, latest 2020
Carolyn Calfee
Critical Care Medicine
1 shared papers, latest 2020
Ewan Goligher
Department of Medicine
1 shared papers, latest 2020
Andrea Jones
Medicine/Neurology
1 shared papers, latest 2020
Niall Ferguson
Critical Care Medicine
1 shared papers, latest 2020
Francois Lamontagne
Médecine interne
1 shared papers, latest 2020
Alexandra Binnie
Critical Care Medicine
1 shared papers, latest 2020
Karen Rowa
Psychiatry & Behavioural Neurosciences
1 shared papers, latest 2025
Karen Burns
Department of Health Research Methods, Evidence, and Impact
1 shared papers, latest 2020
Colleen Merrifield
Psychiatry & Behavioural Neurosciences
1 shared papers, latest 2022
Caitlin Davey
Psychiatry & Behavioural Neurosciences
1 shared papers, latest 2025
Luciano Minuzzi
Psychiatry & Behavioural Neurosciences
1 shared papers, latest 2023
Donald Arnold
Department of Medicine
1 shared papers, latest 2020
Jennifer Tsang
Department of Medicine
1 shared papers, latest 2020
Bram Rochwerg
Department of Health Research Methods, Evidence, and Impact
1 shared papers, latest 2020
Katherine Holshausen
Department of Psychology, Neuroscience & Behaviour
1 shared papers, latest 2022
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Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.