Dr Angela Nickerson

Dr Angela Nickerson

Dr Angela Nickerson

Senior Lecturer and Director Masters of Psychology (Clinical) Program

Ph.D./MPsychol(Clin), UNSW, 2009
B.A. (Hons), UQ, 2004

Contact details

Phone: (02) 9385 0538
Email: Dr Angela Nickerson
Fax: (02) 9385 3641

Office: Mathews, Room 1101a

Research Summary

Research Areas: Refugee and post-conflict mental health, mechanisms underlying psychological effects of torture and trauma, phenomenology and treatment of posttraumatic stress reactions

Research Group: http://www.rtrp-research.com/


2014 and in press

O’Donnell, M. L., Alkemade, N., Nickerson, A., Creamer, M., McFarlane, A. C., Silove, D., Bryant, R. A., & Forbes, D. (In press). The impact of the diagnostic changes to posttraumatic stress disorder for DSM-5 and the proposed changes to ICD-11. British Journal of Psychiatry.

Nickerson, A., Bryant, R.A., Rosebrock L., & Litz, B. T. (In press). The mechanisms of psychosocial injury following human rights violations, mass trauma, and torture. Clinical Psychology: Science and Practice.

Silove D, Liddell BJ, Rees S, Chey T, Nickerson A, Tam N, Zwi AB, Brooks R, Lila LL, Steel Z (in press).  A 6-year longitudinal study of associations between recurrent violence, posttraumatic stress disorder and severe distress in conflict-affected Timor-Leste. Lancet Global Health (accepted 24 February 2014).

Nickerson, A., Priebe, S., Bryant, R. A., & Morina, N. (2014). Mechanisms of psychological distress following war in the former Yugoslavia: The role of interpersonal sensitivity. PLOS One.  

Litz, B., Schorr, Y., Delaney, E., Au, T., Papa,. A., Fox-Gallais, A., Morris, S., Nickerson, A., Block, S. & Prigerson, Hl. (in press).  A randomized controlled trial of an internet-based therapist-assisted indicated preventive intervention for prolonged grief disorder. Behaviour Research and Therapy.

Nickerson, A., Liddell, B. J., Maccallum, F., Steel, Z., Silove, D., & Bryant, R. A. (2014). Posttraumatic stress disorder and prolonged grief in refugees exposed to trauma and loss. BMC Psychiatry, 14, 106-117.

Bryant, R. A., Kenny, L., Joscelyne, A., Rawson, N., Maccallum, F., Cahill, C., Hopwood, S., Aderka, I. & Nickerson, A. (in press). Treating prolonged grief disorder: A randomized controlled trial. JAMA Psychiatry

Nickerson, A., Barnes, J. B., Creamer, M., Forbes, D., McFarlane, A., O’Donnell, M., Silove, D., Steel, Z., & Bryant, R. A. (in press). The temporal relationship between posttraumatic stress disorder and problem alcohol use following traumatic injury. Journal of Abnormal Psychology.

Bryant, R. A., Nickerson, A., Creamer, M., O’Donnell, M., Forbes, D., Galatzer-Levy, I., McFarlane, A., & Silove, D. (in press). The trajectory of posttraumatic stress following traumatic injury: A six-year follow-up. British Journal of Psychiatry.

Forbes, D, Nickerson, A., Alkemade, N., Bryant, R.A., Creamer, M., Silove, D., McFarlane, A.C., Van Hoof, M., Fletcher, S.L. and O’Donnell, M. (in press). Longitudinal analysis of latent classes of psychopathology and patterns of class migration in survivors of traumatic injury. Journal of Clinical Psychiatry

Hinton, D. E.,&  Nickerson, A. (2014) Treating trauma-related symptoms in special populations. In J. G. Beck & D. M. Sloan (Eds.) Oxford Handbook of Traumatic Stress Disorders. (pp. 5041-5022). Oxford, UK: Oxford University Press.

Bryant, R. A. & Nickerson, A. (2014) Risk and resilience: Acute interventions. In N. C. Feeny & L. Zoellner (Eds.) Resilience and Recovery Following Traumatic Events. (pp. 15-40). New York: The Guilford Press.


Nickerson, A., Aderka, I. M., Bryant, R. A. & Hofmann, S. G. (2013). The role of attributions of trauma responsibility in posttraumatic stress disorder following motor vehicle accidents. Depression and Anxiety, 30, 483-488.

Nickerson, A., Steenkamp, M. M., Aderka, I. M., Salters-Pedneault, K., Carper, T. L., Barnes, J. B., & Litz, B. T. (2013). A prospective investigation of mental health following sexual assault. Depression and Anxiety, 30, 444-450.

Nickerson, A., Bryant, R. A., Aderka, I. M., Hinton, D. E. & Hofmann, S. G.  (2013). The impacts of parental loss and adverse parenting on mental health: Findings from the National Comorbidity Survey-Replication. Psychological Trauma: Theory, Research, Practice, and Policy, 5, 119-127.

Galatzer-Levy, I. R., Nickerson, A., Litz. B. T., & Marmar, C. R. (2013). Patterns of lifetime PTSD comorbidity: A latent class analysis. Depression and Anxiety, 30, 489-496

Hinton, D. E., Nickerson, A., & Bryant, R. A. (2013). Prolonged grief in Cambodian refugees following genocide: Rebirth concerns and avoidance of reminders. Journal of Loss and Trauma, 18, 444-460.

Hinton, D. E., Nathan, M. Peou, S., Nickerson, A., & Simon, N. (2013). Normal grief and complicated bereavement among Cambodian refugees: Cultural context and the central role of dreams of the deceased. Culture, Medicine and Psychiatry, 37, 427-464.

Barnes, J. B., Nickerson, A., Suvak, M., Adler, A. & Litz, B. (2013). Perceived military organizational support and peacekeeper stress: A longitudinal investigation. Psychological Services, 10, 177-185.

Liddell, B. J., Steel, Z., Tay, K., Tam, N., Nickerson, A., Brooks, R., Rees, S., Zwi, A. B., & Silove, D. (2013). Achieving convergence between a community-based measure of explosive anger and clinical interview for Intermittent Explosive Disorder in Timor-Leste. Journal of Affective Disorders, 150, 1242-1246.

Hinton, D. E., Field, N. P., Nickerson, A., & Bryant, R. A. (2013). Dreams of the dead among Cambodian refugees: Frequency, phenomenology, and relationship to complicated grief and posttraumatic stress disorder. Death Studies, 37, 750-767.

Bryant, R. A. & Nickerson, A. (2013). Treatment of complex PTSD in a torture survivor. In S. Lilienfeld & W. O’Donohue (Eds.), Case Studies in Clinical Psychological Science (pp.167-196). Oxford, UK: Oxford University Press.

Nickerson, A. & Bryant, R. A. (2013). Acute stress disorder. In S. S. Stahl & B. A. Moore (Eds.)  Psychopharmacology and Psychotherapy in Clinical Practice, Volume 1: Anxiety Disorders: A Concise Guide and Casebook for Psychopharmacology and Psychotherapy Integration. Routledge/Taylor & Francis


Aderka, I. M., Nickerson, A., & Hofmann, S. G. (2012). Admixture analysis of the diagnostic subtypes of social anxiety disorder: Implications for the DSM-V.  Journal of Behavior Therapy & Experimental Psychiatry, 43, 752-757.

Nickerson, A., Aderka, I. M., Bryant, R. A. & Hofmann, S. G. (2012). The relationship between childhood exposure to trauma and intermittent explosive disorder. Psychiatry Research, 197, 128-134.

Aderka, I. M., Nickerson, A., Bøe, H. J., & Hofmann, S. G. (2012). Sudden gains during psychological treatments of anxiety and depression: A meta-analysis. Journal of Consulting and Clinical Psychology, 80, 93-101

Aderka, I. M., Hofmann, S. G., Nickerson, A., Hermesh, H., Gilboa-Schechtman, E., & Marom, S. (2012). Functional impairment in social anxiety disorder. Journal of Anxiety Disorders, 26, 393-400.

Moulds, M. L., Williams, A. D., Grisham, G. R., & Nickerson, A. (2012) A comparison of retrieval vantage perspective of positive and negative intrusive memories. Journal of Experimental Psychopathology, 3, 168-177.

Steenkamp, M., Nickerson, A., Maguen, S., Nash, W. P., & Litz, B. T. (2012). Latent classes of PTSD symptoms among Vietnam veterans. Behavior Modification, 36, 855-872.


Nickerson, A., Bryant, R. A., Steel, Z., Brooks, R., & Silove, D. (2011). The familial influence of loss and trauma on refugee mental health: A multilevel path analysis. Journal of Traumatic Stress, 24, 25-33.

Nickerson, A., & Hinton, D. E. (2011). Anger regulation in traumatized Cambodian refugees: The perspectives of Buddhist monks. Culture, Medicine and Psychiatry, 35, 396-416.

Nickerson, A., Bryant, R. A., Silove, D., & Steel, Z. (2011). A critical review of psychological treatments for posttraumatic stress disorder in refugees. Clinical Psychology Review, 31, 399-417

Nickerson, A., Steel, Z., Bryant, R. A., Brooks, R., & Silove, D. (2011). Change in visa status among Mandaean refugees: Relationship to psychological symptoms and living difficulties. Psychiatry Research. 187, 267-274.

Hinton, D. E., Nickerson, A., &  Bryant, R. A. (2011). Worry, worry attacks and PTSD among Cambodian refugees: A path analysis investigation. Social Science and Medicine, 72, 1817-1825.

Nickerson, A., Aderka, I. M., Litz, B., Bryant, R. A. & Hofmann, S. G. (2011).  Accidental and intentional perpetration of serious injury or death: Correlates and relationship to trauma exposure. Journal of Trauma: Injury, Infection and Critical Care, 71, 1821-1828.

2010 and earlier

Hinton, D. E., Pich, V., Marques, L., Nickerson, A., & Pollack, M. H. (2010). Khyâl attacks: A key idiom of distress among traumatized Cambodian refugees. Culture, Medicine and Psychiatry, 34, 244-278.

Nickerson, A., Bryant, R.A., Steel, Z., Silove, D., & Brooks, R. (2010). The impact of fear for family on mental health in a resettled Iraqi refugee community. Journal of Psychiatric Research, 44, 229-235.

Nickerson, A., Bryant, R.A., Brooks, R., Steel, Z., & Silove, D. (2009). Fear of cultural extinction and psychopathology among Mandaean refugees: An exploratory path analysis. CNS Neuroscience and Therapeutics, 15, 277-236.

Nickerson, A., & Louis, W.R. (2008). Nationality versus humanity? Personality, identity and norms in relation to attitudes toward asylum seekers. Journal of Applied Social Psychology, 38, 796-817.

Nickerson, A., Bryant, R.A., & Silove, D. (2008). Post-traumatic stress disorder, trauma and mental disorders. In L. Kurtz (Ed.). Encyclopedia of Violence, Peace and Conflict (pp. 1687-1695). San Diego: Academic Press.

Silove, D., Nickerson, A., & Bryant, R.A. (2008). Specific mental health disorders: Trauma and mental disorders. In K. Heggenhougen & S. Quah (Eds.) International Encyclopedia of Public Health. (pp. 196-201). San Diego: Academic Press.

Louis, W. R., Nickerson, A., Fielding, K., & Johnson, S. (2006). How multiple group identities influence attitudes, emotions, and action. Australian Journal of Psychology, 58, 27-27.

Louis, W. R. & Nickerson, A. (2005). Multiple group identities and norms shape attitudes and actions re asylum seekers. Australian Journal of Psychology, 57, 93-94.

Awards, Fellowships & Grants

2013 to 2016 : National Health and Medical Research Council (NHMRC) Project Grant,  Nickerson, Litz & Hofmann, The Phenomenology and Treatment of Emotion Dysregulation in Traumatized Refugees (2013-2016)

2012: National Health and Medical Research Council (NHMRC) Early Career Research Fellowship, Nickerson, Emotion Regulation in Traumatized Refugees (2012-2016)

2009: American Australia Association Sir Keith Murdoch Fellowship to undertake postdoctoral research at Massachusetts General Hospital/ Harvard University in 2010 $25,000

2009:First Prize in Australian Society for Traumatic Stress Studies Research Excellence Awards

2004:  McBride Psychology Prize, University of Queensland

Affiliations & Memberships

International Society for Traumatic Stress Studies

Australian Society for Traumatic Stress Studies

Australian Association for Cognitive and Behavioural Therapies