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Personal profile


Anxiety disorders represent one of the most prevalent and costly psychological disorders in the world, have an estimated economic impact of over $46 billion per annum, and are associated with sizeable disability and quality of life impairment. Additionally, anxiety disorders seldom present alone, with rates of comorbid anxiety and mood disorder diagnoses as high as 60%. Professor Peter Norton, a world-leading expert in anxiety disorders, is a pioneer in transdiagnostic models of anxiety disorders - models which reconceptualise the common and unique factors across anxiety diagnoses - in an effort to develop treatments targeting the core features of anxiety disorder.

Born in Canada, Professor Norton received his Ph.D. from the University of Nebraska-Lincoln. The initial conceptualisation for his research came from two influences: (1) the seemingly arbitrary nature of some lines of division among anxiety disorder diagnoses, and (2) the highly similar psychosocial and pharmacological treatments applied between diagnoses. Simply put, two fears might be extremely similar but be given different anxiety diagnoses (e.g., agoraphobia and social phobia) while two other fears may appear very different but be given the same diagnosis (e.g., obsessive-compulsive disorder), and yet the treatments for all of these are functionally identical.

Professor Norton's work also includes refining treatments for anxiety and emotional disorders to improve dissemination and accessibility, and modifying assessment and treatment procedures to increase cross-cultural appropriateness, using a variety of clinical, questionnaires, and experimental methodological approaches.

Editorial Board

Cognitive Therapy and Research (2005-Current)
Journal of Anxiety Disorders (2005-Current)

Special Series Editor

Journal of Cognitive Psychotherapy
Special Section: Anxity, Substance Use, and their Co-occurrence: Advances in Clinical Science

Related Links:

Research area keywords

  • Anxiety disorder
  • assessment
  • cognitive behavioural therapy
  • courage
  • motivational interviewing
  • transdiagnostic
  • treatment

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Projects 2016 2020

Research Output 1998 2019

A qualitative study of the feasibility and acceptability of a smoking cessation program for people living with HIV and emotional dysregulation

Labbe, A. K., Wilner, J. G., Coleman, J. N., Marquez, S. M., Kosiba, J. D., Zvolensky, M. J., Smits, J. A. J., Norton, P. J., Rosenfield, D. & O'Cleirigh, C., 4 May 2019, In : AIDS Care - Psychological and Socio-Medical Aspects of AIDS/HIV. 31, 5, p. 609-615 7 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Client Motivation and Engagement in Transdiagnostic Group Cognitive Behavioral Therapy for Anxiety Disorders: Predictors and Outcomes

Marker, I., Salvaris, C. A., Thompson, E. M., Tolliday, T. & Norton, P. J., Oct 2019, In : Cognitive Therapy and Research. 43, 5, p. 819-833 15 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Facing fear-provoking stimuli: The role of courage and influence of task-importance

Chockalingam, M. & Norton, P. J., 2019, In : The Journal of Positive Psychology. 14, 5, p. 603-613 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Group differences in social inclusion between young adults aged 18 to 25 with serious mental illness and same-aged peers from the general community

Gardner, A., Cotton, S., O'Donoghue, B., Killackey, E., Norton, P. & Filia, K., 1 Nov 2019, In : International Journal of Social Psychiatry. 65, 7-8, p. 631-642 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Intermittent Motivational Interviewing and Transdiagnostic CBT for Anxiety: A Case Study

Marker, I. & Norton, P. J., 1 Aug 2019, In : Clinical Case Studies. 18, 4, p. 300-318 19 p.

Research output: Contribution to journalArticleOtherpeer-review

Open Access



Peter Norton (Recipient), 18 Aug 2018

Prize: Election to learned society

Outstanding Academic Mentor Award

Peter Norton (Recipient), 29 Oct 2019

Prize: Prize (including medals and awards)