Dr Fiona Maccallum
Senior Lecturer (Clinical Psych)
School of Psychology
+61 7 336 56257
Researcher biography
Fiona is a Senior Lecturer in Clinical Psychology with research interests in grief & loss, trauma, emtion regulation and anxiety. Her work is mechanism focussed. She applies experimental and longitudinal methods including experience sampling to better understand the pyschological processes that contribute to resilence and/or the development of psychopathology. Her work is also focussed on improving supports for those struggling with grief and trauma.
Fiona completed her Master of Psychology(Clnical) and PhD at UNSW and undertook an NHMRC postdoctoral fellowship at the Loss, Trauma and Emotion Lab at Teachers College, Columbia University. She also has many years experience working as a clinician in public health and private practice.
Book Chapters
Maccallum, Fiona (2025). Conceptualizations of prolonged grief and traumatic grief. Psychotherapy for Prolonged and Traumatic Grief. (pp. 70-84) New York, NY United States: Routledge. doi: 10.4324/9781003429777-6
Maccallum, Fiona (2021). Normal and pathological mourning: attachment processes in the development of prolonged grief. Attachment: the fundamental questions. (pp. 289-295) edited by Ross A. Thompson, Jeffry A. Simpson and Lisa J. Berlin. New York, NY USA: The Guilford Press.
Dawson, Katie S, Maccallum, Fiona, Kenny, Lucy and Bryant, Richard A. (2016). Adapting CBT for posttraumatic stress disorder and prolonged grief disorder for complex populations and settings. Innovations and future directions in the behavioural and cognitive therapies. (pp. 97-101) edited by Ross G. Menzies, Michael Kyrios and Nikolaos Kazantzis. Samford, QLD, Australia: Australian Academic Press.
Journal Articles
Komischke, Katrine, Boelen, Paul A., Maccallum, Fiona and O'Connor, Maja (2026). Group Vs Individual Grief-Focused Cognitive Behavioral Therapy for Older Adults. Jama Psychiatry, 83 (3). doi: 10.1001/jamapsychiatry.2025.4106
Smith, Kirsten V., Skjerdingstad, Nora, Ebrahimi, Omid V., Maccallum, Fiona and Ehlers, Anke (2025). Unraveling attachment – a network analysis of the cognitive pathways linking attachment and prolonged grief. Psychological Medicine, 55 e276, 1-9. doi: 10.1017/s0033291725101669
James, Kari E., McKimmie, Blake M. and Maccallum, Fiona (2025). Moral injury front and center: The relationship between event centrality and moral injury. Psychological Trauma: Theory, Research, Practice, and Policy. doi: 10.1037/tra0002014
James, Kari E., McKimmie, Blake M. and Maccallum, Fiona (2025). Resilience in diversity: a restricted range of roles is associated with more severe moral injury. Behavioural and Cognitive Psychotherapy, 53 (4), 1-12. doi: 10.1017/s1352465825000116
James, Kari E., McKimmie, Blake M. and Maccallum, Fiona (2025). A challenge to identity: identity processing style and moral injury. British Journal of Psychology, 116 (2), 354-366. doi: 10.1111/bjop.12756
Beesley, Vanessa L, Kennedy, Tom J, Maccallum, Fiona, Ross, Margaret, Harvey, Renee, Rossell, Susan L, Sarris, Jerome, Perkins, Daniel, Neale, Rachel E, Bennett-Levy, James, Johnson, Shevaugn, Beebe, Hanna, Roset, Natalie, Strobel, Jörg and Parker, Stephen (2025). Psilocybin-Assisted suppoRtive psychoTherapy IN the treatment of prolonged Grief (PARTING) trial: protocol for an open-label pilot trial for cancer-related bereavement. BMJ Open, 15 (4) e095992, 1-12. doi: 10.1136/bmjopen-2024-095992
Maccallum, Fiona, Breen, Lauren J., Ivynian, Serra, DiGiacomo, Michelle, Luckett, Tim and Lobb, Elizabeth A. (2025). Prolonged grief reactions and help-seeking in bereaved adults during the COVID-19 pandemic. Journal of Affective Disorders, 374, 467-476. doi: 10.1016/j.jad.2025.01.056
Dingle, Genevieve A., Han, Rong, Huang, Kevin, Alhadad, Sakinah S.J., Beckman, Emma, Bentley, Sarah V., Edmed, Shannon, Gomersall, Sjaan R., Hides, Leanne, Lorimer, Nadine, Maccallum, Fiona, McKimmie, Blake M., Ng, Norman, Rossa, Kalina, Smith, Simon S., Walter, Zoe C., Williams, Elyse, Wright, Olivia R.L. and Tanksale, Radhika (2025). Sharper minds: feasibility and effectiveness of a mental health promotion package for university students targeting multiple health and self-care behaviours. Journal of Affective Disorders, 378, 271-280. doi: 10.1016/j.jad.2025.03.011
Maccallum, Fiona, Gutmann, Hannah, Creamer, Mark, O'Donnell, Meaghan, Forbes, David, McFarlane, Alexander C., Silove, Derrick and Bryant, Richard A. (2025). A network analysis of peritraumatic dissociation and subsequent intrusive memories Un análisis de red de la disociación peritraumática y los recuerdos intrusivos posteriores. European Journal of Psychotraumatology, 16 (1) 2555793. doi: 10.1080/20008066.2025.2555793
Han, Rong, Walter, Zoe C., Maccallum, Fiona and Dingle, Genevieve A. (2025). First-year domestic and international university students’ knowledge and use of mental health services and self-care practices in Australia. Australian Psychologist, 60 (1), 1-13. doi: 10.1080/00050067.2024.2410195
Bryant, Richard A., Dawson, Katie S., Azevedo, Suzanna, Yadav, Srishti, Cahill, Catherine, Kenny, Lucy, Maccallum, Fiona, Tran, Jenny, Rawson, Natasha, Tockar, Julia, Garber, Benjamin and Keyan, Dharani (2024). A pilot study of the role of the BDNF Val66Met polymorphism in response to exercise-augmented exposure therapy for posttraumatic stress disorder. Psychoneuroendocrinology, 167 107106, 1-6. doi: 10.1016/j.psyneuen.2024.107106
James, Kari E., McKimmie, Blake M. and Maccallum, Fiona (2024). When we fail to live up to our own standards: the relationship between self-discrepancy and moral injury*. Anxiety, Stress, & Coping, 37 (6), 711-720. doi: 10.1080/10615806.2024.2387607
Ivynian, Serra E., Maccallum, Fiona, Chang, Sungwon, Breen, Lauren J., Phillips, Jane L., Agar, Meera, Hosie, Annmarie, Tieman, Jennifer, DiGiacomo, Michelle, Luckett, Tim, Philip, Jennifer, Dadich, Ann, Grossman, Christopher, Gilmore, Imelda, Harlum, Janeane, Kinchin, Irina, Glasgow, Nicholas and Lobb, Elizabeth A. (2024). Support needs of Australians bereaved during the COVID-19 pandemic: a cross-sectional survey study. PLoS One, 19 (6) e0304025, e0304025-6. doi: 10.1371/journal.pone.0304025
Dingle, Genevieve A., Han, Rong, Alhadad, Sakinah S. J., Beckman, Emma, Bentley, Sarah V., Gomersall, Sjaan R., Hides, Leanne, Maccallum, Fiona, McKimmie, Blake M., Rossa, Kalina, Smith, Simon S., Walter, Zoe C., Williams, Elyse and Wright, Olivia (2024). Data from four consecutive cohorts of students in Australia (2019-2022) show the impact of the COVID-19 pandemic on domestic and international university students' mental health. The Australian and New Zealand Journal of Psychiatry, 58 (6), 528-536. doi: 10.1177/00048674241233111
Bryant, Richard A., Azevedo, Suzanna, Yadav, Srishti, Cahill, Catherine, Kenny, Lucy, Maccallum, Fiona, Tran, Jenny, Choi-Christou, Jasmine, Rawson, Natasha, Tockar, Julia, Garber, Benjamin, Keyan, Dharani and Dawson, Katie S. (2024). Cognitive behavior therapy vs mindfulness in treatment of prolonged grief disorder: A randomized clinical trial. JAMA Psychiatry, 81 (7), 646-654. doi: 10.1001/jamapsychiatry.2024.0432
Lobb, Elizabeth, Maccallum, Fiona, Phillips, Jane L., Agar, Meera, Hosie, Annmarie, Breen, Lauren J., Tieman, Jennifer, DiGiacomo, Michelle, Luckett, Tim, Philip, Jennifer, Ivynian, Serra, Chang, Sungwon, Dadich, Ann, Harlum, Janeane, Gilmore, Imelda, Kinchin, Irina, Grossman, Christopher and Glasgow, Nicholas (2024). The COVID-19 pandemic: Bereavement outcomes between hospital and home deaths in palliative care. Journal of Pain and Symptom Management, 67 (2), 147-156. doi: 10.1016/j.jpainsymman.2023.10.025
Maccallum, F., Breen, L. J., Phillips, J. L., Agar, M. R., Hosie, A., Tieman, J., DiGiacomo, M., Luckett, T., Philip, J., Ivynian, S., Chang, S., Dadich, A., Grossman, C. H., Gilmore, I., Harlum, J., Kinchin, I., Glasgow, N. and Lobb, E. A. (2024). The mental health of Australians bereaved during the first two years of the COVID-19 pandemic: a latent class analysis. Psychological Medicine, 54 (7), 1361-1372. doi: 10.1017/s0033291723003227
Maccallum, Fiona, Dawson, Katie, Azevedo, Suzanna and Bryant, Richard A. (2023). Challenges in grief-focused cognitive behavior therapy for prolonged grief disorder. Cognitive and Behavioral Practice, 32 (1), 18-28. doi: 10.1016/j.cbpra.2023.10.002
Barlow, Melanie, Watson, Bernadette, Morse, Kate, Jones, Elizabeth and Maccallum, Fiona (2023). React, reframe and engage. Establishing a receiver mindset for more effective safety negotiations. Journal of Health, Organization and Management, 38 (7), 1-17. doi: 10.1108/jhom-06-2023-0171
Barlow, Melanie, Watson, Bernadette, Jones, Elizabeth, Morse, Catherine and Maccallum, Fiona (2023). The application of communication accommodation theory to understand receiver reactions in healthcare speaking up interactions. Journal of Interprofessional Care, 38 (1), 42-51. doi: 10.1080/13561820.2023.2249939
Barlow, Melanie, Watson, Bernadette, Jones, Elizabeth, Morse, Kate J., Maccallum, Fiona and Rudolph, Jenny (2023). Building a Workplace-Based Learning Culture: The “Receiver's” Perspective on Speaking Up. The Journal of Applied Behavioral Science, 61 (1), 39-62. doi: 10.1177/00218863231190951
Barlow, Melanie, Morse, Kate J., Watson, Bernadette and Maccallum, Fiona (2023). Identification of the barriers and enablers for receiving a speaking up message: a content analysis approach. Advances in Simulation, 8 (1) 17, 1-12. doi: 10.1186/s41077-023-00256-1
Barlow, Melanie, Watson, Bernadette, Jones, Elizabeth, Maccallum, Fiona and Morse, Kate J. (2023). The influence of professional identity on how the receiver receives and responds to a speaking up message: a cross-sectional study. BMC Nursing, 22 (1) 26, 26. doi: 10.1186/s12912-023-01178-z
Lenferink, Lonneke I. M., Sveen, Josefin and Maccallum, Fiona (2023). Editorial: Consequences and aftercare of a traumatic loss of a loved one. Frontiers in Psychiatry, 13 1111000, 1111000. doi: 10.3389/fpsyt.2022.1111000
Bryant, Richard A., Dawson, Katie S., Azevedo, Suzanna, Yadav, Srishti, Cahill, Catherine, Kenny, Lucy, Maccallum, Fiona, Tran, Jenny, Rawson, Natasha, Tockar, Julia, Garber, Benjamin and Keyan, Dharani (2023). Augmenting trauma-focused psychotherapy for post-traumatic stress disorder with brief aerobic exercise in Australia: a randomised clinical trial. The Lancet Psychiatry, 10 (1), 21-29. doi: 10.1016/s2215-0366(22)00368-6
Maccallum, Fiona (2022). Self-identity processing and grief: The role of avoidance and flexibility. Personality and Individual Differences, 189 111478, 111478. doi: 10.1016/j.paid.2021.111478
Malgaroli, Matteo, Maccallum, Fiona and Bonanno, George A. (2022). Machine yearning: how advances in computational methods lead to new insights about reactions to loss. Current Opinion in Psychology, 43, 13-17. doi: 10.1016/j.copsyc.2021.05.003
Maccallum, Fiona and Bonanno, George A. (2022). Social trust and the discounting of gains and losses in prolonged grief. Journal of Psychiatric Research, 147, 148-153. doi: 10.1016/j.jpsychires.2022.01.002
Maccallum, F., Lundorff, M., Johannsen, M., Farver-Vestergaard, I. and O'Connor, M. (2021). An exploration of gender and prolonged grief symptoms using network analysis. Psychological Medicine, 53 (5) PII S0033291721003391, 1-8. doi: 10.1017/s0033291721003391
Li, Jie, Sun, Yihua, Maccallum, Fiona and Chow, Amy Y. M. (2021). Depression, anxiety and post-traumatic growth among bereaved adults: a latent class analysis. Frontiers in Psychology, 11 575311, 575311. doi: 10.3389/fpsyg.2020.575311
O'Connor, Maja, Larsen, Lene, Joensen, Biretha V., Boelen, Paul A., Maccallum, Fiona, Komischke-Konnerup, Katrine and Bryant, Richard A. (2020). Valid ICD-11 PGD scales and structured clinical interviews needed. Frontiers in Psychology, 11 1120, 1120. doi: 10.3389/fpsyg.2020.01120
Maccallum, Fiona, Tran, Sophia and Bonanno, George A. (2020). Expressive flexibility and anxiety. Journal of Affective Disorders, 281, 935-940. doi: 10.1016/j.jad.2020.11.028
Maccallum, Fiona and Bryant, Richard A. (2019). An investigation of approach behaviour in prolonged grief. Behaviour Research and Therapy, 119 103405, 103405. doi: 10.1016/j.brat.2019.05.002
Maccallum, Fiona and Bryant, Richard A. (2019). A network approach to understanding quality of life impairments in prolonged grief disorder. Journal of Traumatic Stress, 33 (1) jts.22383, 106-115. doi: 10.1002/jts.22383
Bonanno, George A., Maccallum, Fiona, Malgaroli, Matteo and Hou, Wai Kai (2018). The Context Sensitivity Index (CSI): measuring the ability to identify the presence and absence of stressor context cues. Assessment, 27 (2), 261-273. doi: 10.1177/1073191118820131
Maccallum, Fiona and Bryant, Richard A. (2018). Prolonged grief and attachment security: a latent class analysis. Psychiatry Research, 268, 297-302. doi: 10.1016/j.psychres.2018.07.038
Malgaroli, Matteo, Maccallum, Fiona and Bonanno, George A. (2018). Symptoms of persistent complex bereavement disorder, depression, and PTSD in a conjugally bereaved sample: a network analysis. Psychological Medicine, 48 (14), 1-10. doi: 10.1017/S0033291718001769
Maccallum, Fiona and Bryant, Richard A. (2018). Symptoms of prolonged grief and posttraumatic stress following loss: a latent class analysis. The Australian and New Zealand Journal of Psychiatry, 53 (1), 000486741876842-67. doi: 10.1177/0004867418768429
Bryant, Richard, Kenny, Lucy, Joscelyne, Amy, Rawson, Natasha, Maccallum, Fiona, Cahill, Catherine, Hopwood, Sally and Nickerson, Angela (2018). Erratum: Correction. Treating Prolonged Grief Disorder: A 2-Year Follow-Up of a Randomized Controlled Trial (The Journal of clinical psychiatry (2017) 78 9 (1363-1368) PII: 18lcx12157). The Journal of clinical psychiatry, 79 (1). doi: 10.4088/JCP.18lcx12157
Bryant, Richard A., Kenny, Lucy, Joscelyne, Amy, Rawson, Natasha, Maccallum, Fiona, Cahill, Catherine and Hopwood, Sally (2017). Predictors of treatment response for cognitive behaviour therapy for prolonged grief disorder. European Journal of Psychotraumatology, 8 (sup6) 1556551, 1556551. doi: 10.1080/20008198.2018.1556551
Bryant, Richard A., Kenny, Lucy, Joscelyne, Amy, Rawson, Natasha, Maccallum, Fiona, Cahill, Catherine, Hopwood, Sally and Nickerson, Angela (2017). Treating prolonged grief disorder: a 2-year follow-up of a randomized controlled trial. Journal of Clinical Psychiatry, 78 (9), 1363-1368. doi: 10.4088/JCP.16m10729
Morin, Ruth T., Galatzer-Levy, Isaac R., Maccallum, Fiona and Bonanno, George A. (2017). Do Multiple Health Events Reduce Resilience When Compared With Single Events?. Health Psychology, 36 (8), 721-728. doi: 10.1037/hea0000481
Maccallum, Fiona, Malgaroli, Matteo and Bonanno, George A. (2017). Networks of Loss: Relationships Among Symptoms of Prolonged Grief Following Spousal and Parental Loss. Journal of Abnormal Psychology, 126 (5), 652-662. doi: 10.1037/abn0000287
Maccallum, Fiona and Bonanno, George A. (2016). The economics of losing a loved one: delayed reward discounting in prolonged grief. Clinical Psychological Science, 4 (4), 683-690. doi: 10.1177/2167702615605827
Maccallum, Fiona, Galatzer-Levy, Isaac R. and Bonanno, George A. (2015). Trajectories of depression following spousal and child bereavement: a comparison of the heterogeneity in outcomes. Journal of Psychiatric Research, 69, 72-79. doi: 10.1016/j.jpsychires.2015.07.017
Maccallum, Fiona, Sawday, Simon, Rinck, Mike and Bryant, Richard A. (2015). The push and pull of grief: approach and avoidance in bereavement. Journal of Behavior Therapy and Experimental Psychiatry, 48, 105-109. doi: 10.1016/j.jbtep.2015.02.010
Bryant, Richard A., Kenny, Lucy, Joscelyne, Amy, Rawson, Natasha, Maccallum, Fiona, Cahill, Catherine, Hopwood, Sally, Aderka, Idan and Nickerson, Angela (2014). Treating prolonged grief disorder: a randomized clinical trial. JAMA Psychiatry, 71 (12), 1332-1339. doi: 10.1001/jamapsychiatry.2014.1600
Nickerson, Angela, Liddell, Belinda J., Maccallum, Fiona, Steel, Zachary, Silove, Derrick and Bryant, Richard A. (2014). Posttraumatic stress disorder and prolonged grief in refugees exposed to trauma and loss. BMC Psychiatry, 14 (1) 106. doi: 10.1186/1471-244X-14-106
Maccallum, Fiona and Bryant, Richard A. (2013). A Cognitive Attachment Model of prolonged grief: integrating attachments, memory, and identity. Clinical Psychology Review, 33 (6), 713-727. doi: 10.1016/j.cpr.2013.05.001
Maccallum, Fiona and Bryant, Richard A. (2011). Imagining the future in Complicated Grief. Depression and Anxiety, 28 (8), 658-665. doi: 10.1002/da.20866
Maccallum, Fiona and Bryant, Richard A. (2011). Autobiographical memory following cognitive behaviour therapy for complicated grief. Journal of Behavior Therapy and Experimental Psychiatry, 42 (1), 26-31. doi: 10.1016/j.jbtep.2010.08.006
Maccallum, Fiona and Bryant, Richard A. (2010). Social problem solving in complicated grief. British Journal of Clinical Psychology, 49 (4), 577-590. doi: 10.1348/014466510X487040
Maccallum, Fiona and Bryant, Richard A. (2010). Attentional bias in complicated grief. Journal of Affective Disorders, 125 (1-3), 316-322. doi: 10.1016/j.jad.2010.01.070
Maccallum, Fiona and Bryant, Richard A. (2010). Impaired autobiographical memory in complicated grief. Behaviour Research and Therapy, 48 (4), 328-334. doi: 10.1016/j.brat.2009.12.006
Maccallum, Fiona and Bryant, Richard A. (2008). Self-defining memories in complicated grief. Behaviour Research and Therapy, 46 (12), 1311-1315. doi: 10.1016/j.brat.2008.09.003
Maccallum, Fiona, Blaszczynski, Alex, Ladouceur, Robert and Nower, Lia (2007). Functional and dysfunctional impulsivity in pathological gambling. Personality and Individual Differences, 43 (7), 1829-1838. doi: 10.1016/j.paid.2007.06.002
Joukhador, Jackie, Blaszczynski, Alex and Maccallum, Fiona (2004). Superstitious beliefs in gambling among problem and non-problem gamblers: preliminary data. Journal of Gambling Studies, 20 (2), 171-180. doi: 10.1023/B:JOGS.0000022308.27774.2b
Joukhador, Jackie, Maccallum, Fiona and Blaszczynski, Alex (2003). Differences in cognitive distortions between problem and social gamblers. Psychological Reports, 92 (3), 1203-1214. doi: 10.2466/PR0.92.4.1203-1214
Maccallum, Fiona and Blaszczynski, Alex (2003). Pathological gambling and suicidality: an analysis of severity and lethality. Suicide and Life-Threatening Behavior, 33 (1), 88-98. doi: 10.1521/suli.33.1.88.22781
Maccallum, Fiona and Blaszczynski, Alex (2002). Pathological gambling and comorbid substance use. Australian and New Zealand Journal of Psychiatry, 36 (3), 411-415. doi: 10.1046/j.1440-1614.2001.01005.x
Blaszczynski, Alexander and Maccallum, Fiona (2001). Gambling-induced analgesia: a single case report. Journal of Gambling Issues (4). doi: 10.4309/jgi.2001.4.3
Maccallum, Fiona, McConkey, Kevin M., Bryant, Richard A. and Barnier, Aamanda J. (2000). Specific autobiographical memory following hypnotically induced mood state. International Journal of Clinical and Experimental Hypnosis, 48 (4), 361-373. doi: 10.1080/00207140008410366
McConkey, Kevin M., Barnier, Amanda J., Maccallum, Fiona L. and Bishop, Karen (1996). A normative and structural analysis of the HGSHS: a with a large Australian sample. Australian Journal of Clinical and Experimental Hypnosis, 24 (1), 1-11.
Conference Paper
Barnier, Amanda J., Bryant, Richard A., Campbell, Leah, Cox, Rochelle, Harris, Celia, Hung, Lynette, Maccallum, Fiona and Sharman, Stefanie J. (2005). Memory on the beach: an Australian memory (and hypnosis) laboratory. Heidelberg, Germany: Springer. doi: 10.1007/s10339-005-0013-y