Publications and Posters | Anxiety Studies

Featured Research

On this page, you can find recent work that is being done in our lab. These include recent publications and poster presentations.

Publications

Moscovitch Lab- Social Anxiety Research

For Moscovitch Lab publications, please visit the Moscovitch Lab.

Purdon Lab- OCD Research

Published Book Chapters (Past 5 Years)

Merritt, O., & Purdon, C. (2023). Assessing comorbidity, insight, family, and functioning in OCD. Invited chapter for D. Tolin (Ed.), Oxford Handbook of Obsessive-Compulsive and Related Disorders (2^nd Edition) (pp. 420-450). Oxford, UK: Oxford University Press.
Purdon, C. (2021). It is dangerous to ignore this thought: A case study. Invited chapter for M. Woud (Ed.), Interpretational Processing Biases in Emotional Psychopathology: Bridging Experimental Investigation and Clinical Application (pp. 281-299). Springer.
Purdon, C. (2021). Cognitive restructuring. Invited chapter for A. Wenzel (Ed.), Handbook of Cognitive Behavioral Therapy, Volume 1 (pp. 207-234). American Psychological Association.
Purdon, C. (2021). Obsessive compulsive disorder. Invited chapter for A. Wenzel (Ed.), Handbook of Cognitive Behavioral Therapy, Volume 2 (pp. 67-98). American Psychological Association.

Scientific Journal Articles (Past 5 Years)

Crawford, T., & Purdon, C. (2026). Predictors of worry-related safety behaviours and avoidance. British Journal of Clinical Psychology, 00, 1–14.
McNeil, A., & Purdon, C. (2025). A preliminary investigation of the relationships between attachment insecurity, fear of compassion, and OCD severity. The British Journal of Clinical Psychology, 64, 725–743.
Tandt, H. L., Leyman, L., Baeken, C., Purdon, C., & Lemmens, G. M. (2024). Multi‐family therapy for adult outpatients with obsessive‐compulsive disorder and their family members, targeting family accommodation. Journal of Family Therapy, 46(1), 70-88.
Xu, M., Rowe, K., & Purdon, C. (2023). To approach or to avoid: The role of ambivalent motivation towards high calorie food images in restrained eaters. Cognitive Therapy and Research, 47, 669-680.
Merritt, O. A., Rowa, K., & Purdon, C. L. (2023). Context matters: criticism and accommodation by close others associated with treatment attitudes in those with anxiety. Behavioural and Cognitive Psychotherapy, 51(1), 21-31.
Chiang, B., & Purdon, C. (2023). A study of doubt in obsessive-compulsive disorder. Journal of Behavior Therapy and Experimental Psychiatry, 101753.
Merritt, O. A., Rowa, K., & Purdon, C. (2023). Criticism and accommodation are predictive of negative treatment attitudes in close others to those with anxiety. British Journal of Clinical Psychology, 51, 21-31.
Purdon, C. (2023) Dr. Jack Rachman’s contributions to our understanding and treatment of OCD. Journal of Behavior Therapy and Experimental Psychiatry, 78, 101773.

Poster Presentations

2026 Poster Presentations

Eschenwecker, T., & Purdon, C. (2026, June). It’s the little things that matter: Comparing the steps in compulsive vs. normative handwashing [Poster Presentation]. Poster presented at the Canadian Psychological Association, Toronto, ON.

Kudryk, S.M., Paz, R., Cho, T., Mackey, R., Ho, J.T.K., & Moscovitch, D.A. (2026, June). Improving positive self-concept through autobiographical memory: Effects of positive memory self-processing versus imagery rescripting [Poster Presentation]. Poster presented at the Canadian Psychological Association, Toronto, ON.

Bowman, E., Eschenwecker, T., Rowa, K., & Purdon, C. (2026, June). A qualitative examination of inner dialogue in OCD [Poster Presentation]. Poster presented at the Canadian Psychological Association, Toronto, ON.

Bui, V., & Moscovitch, D.A. (2026, June). The predictors, function, and emotional impact of excessive reassurance seeking in social anxiety: A daily diaries study [Poster Presentation]. Poster presented at the Canadian Psychological Association, Toronto, ON.

Crawford, T., & Purdon, C. (2026, May). Understanding reassurance seeking in generalized anxiety disorder vs. obsessive-compulsive disorder [Poster Presentation]. Poster presented at the Canadian Association of Cognitive and Behavioural Therapies, Halifax, NS.

2025 Poster Presentations

Crawford, T., & Purdon, C. (2025, May 1-3). Predictors of reassurance seeking and other safety behaviours in the context of worry [Poster presentation]. Canadian Association of Cognitive and Behavioural Therapies Conference, Banff, AB, Canada.

2024 Poster Presentations

Crawford, T., & Purdon, C. (2024, May). Comparing and contrasting obsessive-compulsive disorder and generalized anxiety disorder [Poster Presentation]. Poster presented at the Canadian Association of Cognitive and Behavioural Therapies Conference, Toronto, ON, Canada.

Kudryk, S.M., Ho, J.T.K., Bui, V., & Moscovitch, D.A. (2024, November). Rates of social anxiety following COVID-19 differentially increased in non-heterosexual compared with heterosexual individuals [Poster Presentation]. Poster presented at the convention of the Association for Behavioral and Cognitive Therapies, Philadelphia, PA.

Kudryk, S.M., Ho, J.T.K., Bui, V., & Moscovitch, D.A. (2024, May). More non-heterosexual undergraduate students are classified as high social anxiety following COVID-19 [Poster Presentation]. Poster presented at the Canadian Association of Cognitive and Behavioural Therapies, Toronto, ON.

Kudryk, S.M., Richter Powell, A., Ho, J.T.K., & Moscovitch, D.A. (2024, February). The benefits of positive memory recall in people with high social anxiety: Boosting self-esteem mediates the desire to socialize with others [Poster Presentation]. Poster presented at the Society for Personality and Social Psychology, San Diego, CA.