By Professor Jessica Grisham

Journal articles

Gomez I; Peck M; Marques MD; Nedeljkovic M; Grisham JR; Sukhani R; Wong SF, 2026, 'Ambivalent self-concept and feared self mediates the relationship between negative early life experiences and obsessive-compulsive symptoms', Scientific Reports, 16, http://dx.doi.org/10.1038/s41598-026-54202-y

Timpano KR; Bratiotis C; Grisham JR, 2026, 'Beyond Individual Therapy: Multi-Level Challenges and Considerations in Treating Hoarding Disorder', Advances in Psychiatry and Behavioral Health, 6, pp. 83 - 93, http://dx.doi.org/10.1016/j.ypsc.2026.05.008

Sabel I; Phipps AB; Stavropoulos L; Grisham JR, 2026, 'Treating hoarding disorder with imagery rescripting following insufficient response to cognitive behavioural therapy: A randomised multiple baseline case series', Behaviour Research and Therapy, 204, http://dx.doi.org/10.1016/j.brat.2026.105115

Timpano KR; Grisham JR, 2026, 'Untangling the Threads of Hoarding Disorder: Reappraising the Diagnostic Criteria and Its Position in the Obsessive-Compulsive Spectrum', CLINICAL PSYCHOLOGY-SCIENCE AND PRACTICE, http://dx.doi.org/10.1037/cps0000278

Ferguson EM; Cooper DDJ; Grisham JR, 2026, 'Corrigendum to “Evaluation of a brief, online imagery rescripting intervention targeting fear-of-self in high obsessive–compulsive participants” [Behaviour Research and Therapy 195 (2025) 104903] (Behaviour Research and Therapy (2025) 195, (S0005796725002256), (10.1016/j.brat.2025.104903))', Behaviour Research and Therapy, 200, http://dx.doi.org/10.1016/j.brat.2025.104938

Denson TF; Moulds ML; Grisham JR, 2026, 'Investigating links between co-rumination and personality, social functioning, and emotional well-being in a representative sample of adults', Plos One, 21, http://dx.doi.org/10.1371/journal.pone.0349391

Sabel I; Stavropoulos L; Ghosh B; Weerasekera Y; Grisham J, 2026, 'Decluttering the Mind: Imagery Rescripting Compared to a Verbal-Processing Strategy to Address Difficulty Discarding in Hoarding', Journal of Experimental Psychopathology, 17, http://dx.doi.org/10.1177/20438087261423364

Stavropoulos L; Phipps AB; Sabel I; Cooper DDJ; Briggs N; Newby JM; Grisham JR, 2026, 'Imagery rescripting for generalized anxiety disorder: A case series', British Journal of Clinical Psychology, http://dx.doi.org/10.1111/bjc.70073

Dyason KM; Wilson S; Pham P; Farrell LJ; Grisham JR; Taylor N; Tapp B; Dyson T; Richmond B; Bustos T; Knight K; Gaskin C; Perkes IE, 2026, 'Implementing evidence-based care for paediatric obsessive-compulsive disorder in public mental health services: clinician perspectives of barriers and enablers', Australian Journal of Psychology, 78, http://dx.doi.org/10.1080/00049530.2026.2692599

Sabel I; Kay L; Pearson J; Grisham J, 2026, 'The Nexus of Hoarding and Mental Imagery Extremes: Exploring Hoarding Tendencies in Aphantasia and Hyperphantasia', Psychological Reports, http://dx.doi.org/10.1177/00332941261425581

Stavropoulos L; Sabel I; Cooper DDJ; Newby JM; Grisham JG, 2025, 'Brief imagery rescripting is equivalent to imaginal exposure in improving response to worry images among high worry individuals', Behaviour Research and Therapy, 195, http://dx.doi.org/10.1016/j.brat.2025.104915

Ferguson EM; Cooper DDJ; Grisham JR, 2025, 'Evaluation of a brief, online imagery rescripting intervention targeting fear-of-self in high obsessive-compulsive participants', Behaviour Research and Therapy, 195, http://dx.doi.org/10.1016/j.brat.2025.104903

Chen W; Fuller P; Grisham JR; Denson TF; Timpano KR, 2025, 'Hoarding and aggression: Using the voodoo doll task to tease apart associations with direct and displaced aggression', British Journal of Clinical Psychology, 64, pp. 964 - 978, http://dx.doi.org/10.1111/bjc.12552

Racz JI; Perkes IE; Bialocerkowski A; Dyason KM; Grisham JR; McKenzie ML; Farrell LJ, 2025, 'Australian Clinicians’ Capabilities, Opportunities, and Motivations in Implementing Exposure and Response Prevention for Youth with Obsessive-Compulsive Disorder: An Exploratory Study', Children, 12, http://dx.doi.org/10.3390/children12020156

Kocol O; Sabel I; Timpano KR; Grisham JR, 2025, 'The significance of growing up in a hoarded home: Using natural language processing to examine the experiences of adult children of hoarding parents on Reddit', Journal of Obsessive Compulsive and Related Disorders, 44, http://dx.doi.org/10.1016/j.jocrd.2025.100938

Sabel I; Stavropoulos L; Grisham JR, 2025, 'Through the mind’s eye: mapping associations between hoarding tendencies and voluntary and involuntary mental imagery', Behavioural and Cognitive Psychotherapy, http://dx.doi.org/10.1017/S1352465825000074

Racz JI; Perkes IE; Bialocerkowski A; Dyason KM; Grisham JR; McKenzie ML; Farrell LJ, 2025, 'Training Community Clinicians in Implementing CBT-ERP for Youth with OCD: A Pilot Study in Australian Community Mental Health Services', Child Psychiatry and Human Development, http://dx.doi.org/10.1007/s10578-024-01805-z

Champion SM; Grisham JR, 2024, 'Does Low Memory Confidence Drive Excessive Reassurance Seeking in Obsessive–Compulsive Disorder? Insights from a Novel In Vivo Study', International Journal of Cognitive Therapy, 17, pp. 837 - 855, http://dx.doi.org/10.1007/s41811-024-00220-5

Sabel I; Yap K; Grisham JR, 2024, 'Imagining Letting Go: a Preliminary Test of Written Imagery Rescripting to Facilitate Discarding in a High Hoarding Sample', Journal of Psychopathology and Behavioral Assessment, 46, pp. 1018 - 1037, http://dx.doi.org/10.1007/s10862-024-10171-y

Grisham JR; Timpano KR, 2024, 'Nudging society toward more adaptive approaches to material possessions: Harnessing implicit approaches to reduce overconsumption and excessive saving', Current Opinion in Psychology, 60, http://dx.doi.org/10.1016/j.copsyc.2024.101933

Yap K; Timpano KR; Isemann S; Svehla J; Grisham JR, 2024, 'Corrigendum to “High levels of loneliness in people with hoarding disorder” [Journal of Obsessive Compulsive and Related Disorders (2023), Volume 37,Article Number 100806](S2211364923000271)(10.1016/j.jocrd.2023.100806)', Journal of Obsessive Compulsive and Related Disorders, 43, http://dx.doi.org/10.1016/j.jocrd.2024.100917

Cooper DDJ; Stavropoulos L; Grisham JR, 2024, 'Variants in Imagery Rescripting for OCD: Memories Versus Future, Attachment Versus Mastery', International Journal of Cognitive Therapy, 17, pp. 578 - 597, http://dx.doi.org/10.1007/s41811-024-00212-5

Cooper DDJ; Wong SF; Grisham JR, 2024, 'Testing an Imagery Rescripting Exercise Targeting Fear of Self', Journal of Cognitive Psychotherapy, 38, pp. 243 - 254, http://dx.doi.org/10.1891/JCP-2023-0023

Maguire S; Kesby A; Brownlow R; Hunt GE; Kim M; McAulay C; Grisham JR; McGregor IS; Suraev A; Kevin RC; Russell J, 2024, 'A phase II randomised controlled trial of intranasal oxytocin in anorexia nervosa', Psychoneuroendocrinology, 164, http://dx.doi.org/10.1016/j.psyneuen.2024.107032

Yap K; Timpano KR; Schmidt NB; Grisham JR, 2024, 'An online experimental test of the compensatory process in hoarding disorder: reducing loneliness and its effects on object attachment', Current Psychology, 43, pp. 20626 - 20639, http://dx.doi.org/10.1007/s12144-024-05895-9

Stavropoulos L; Cooper DDJ; Champion SM; Keevers L; Newby JM; Grisham JR, 2024, 'Basic processes and clinical applications of mental imagery in worry: A systematic review', Clinical Psychology Review, 110, http://dx.doi.org/10.1016/j.cpr.2024.102427

Stavropoulos L; Briggs N; Grisham J, 2024, 'Self-guided imagery rescripting for worry images: A preliminary experimental investigation', Journal of Clinical Psychology, 80, pp. 1213 - 1230, http://dx.doi.org/10.1002/jclp.23660

Chen W; Denson TF; Timpano KR; Kocol O; Grisham JR, 2024, 'An investigation of the multifaceted components of anger and hoarding symptoms', Personality and Individual Differences, 222, http://dx.doi.org/10.1016/j.paid.2024.112582

Dyason KM; Ozkul B; Knight K; Sara G; Brakoulias V; Farrell LJ; Grisham JR; Perkes IE, 2023, 'Hospital admission characteristics for children and adolescents with OCD in Sydney, Australia', General Hospital Psychiatry, 85, pp. 236 - 238, http://dx.doi.org/10.1016/j.genhosppsych.2023.09.008

Farrell LJ; Waters AM; Storch EA; Simcock G; Perkes IE; Grisham JR; Dyason KM; Ollendick TH, 2023, 'Closing the Gap for Children with OCD: A Staged-Care Model of Cognitive Behavioural Therapy with Exposure and Response Prevention', Clinical Child and Family Psychology Review, 26, pp. 642 - 664, http://dx.doi.org/10.1007/s10567-023-00439-2

Wong SF; Dewar E; Baldwin PA; Grisham JR, 2023, 'Evaluating the effects of a brief motivational interviewing protocol on excessive acquisition', Journal of Behavior Therapy and Experimental Psychiatry, 80, http://dx.doi.org/10.1016/j.jbtep.2022.101790

Cooper DDJ; Popovic G; Grisham JR, 2023, 'A novel experimental investigation of online imagery rescripting for obsessive-compulsive prospective imagery', Journal of Obsessive Compulsive and Related Disorders, 37, http://dx.doi.org/10.1016/j.jocrd.2023.100799

Yap K; Timpano KR; Isemann S; Svehla J; Grisham JR, 2023, 'High levels of loneliness in people with hoarding disorder', Journal of Obsessive Compulsive and Related Disorders, 37, http://dx.doi.org/10.1016/j.jocrd.2023.100806

Timpano KR; Goodman ZT; Kushner ML; Hudiburgh SE; Rodriguez CI; Grisham JR, 2023, 'Using item response theory to investigate potential gender bias in hoarding symptoms', Journal of Obsessive Compulsive and Related Disorders, 37, http://dx.doi.org/10.1016/j.jocrd.2023.100788

Chen W; McDonald S; Wearne T; Sabel I; Long EV; Grisham JR, 2023, 'A pilot study of adapted social cognition and intervention training (SCIT) for hoarding disorder', Journal of Obsessive Compulsive and Related Disorders, 36, http://dx.doi.org/10.1016/j.jocrd.2022.100776

Timpano KR; Grisham JR, 2023, 'Are Hoarding Disorder and Buying-Shopping Disorder Behavioral Addictions? Too Soon to Tell and a Roadmap for Future Investigations', Clinical Psychology Science and Practice, 30, pp. 91 - 94, http://dx.doi.org/10.1037/cps0000129

Cooper DDJ; Perkes IE; Lam-Po-Tang J; Farrell LJ; Brakoulias V; Grisham JR, 2023, 'Finding help for OCD in Australia: development and evaluation of a clinician directory', Australian Psychologist, 58, pp. 190 - 197, http://dx.doi.org/10.1080/00050067.2023.2189003

Ackland CA; Molesworth BRC; Grisham JR, 2023, 'Pilot mental health during the COVID-19 pandemic: prevalence rates from semi-structured interviews, and associated vulnerability and protective factors', Frontiers in Psychology, 14, http://dx.doi.org/10.3389/fpsyg.2023.1073857

Grisham JR; Yap K; Isemann S; Svehla J; Briggs N; Norberg MM, 2022, 'A naturalistic study of emotion regulation-enhanced cognitive-behavioral group therapy for hoarding disorder in a community setting', Journal of Affective Disorders Reports, 10, http://dx.doi.org/10.1016/j.jadr.2022.100450

Dyason KM; Farrell LJ; Manning EE; Grisham JR; Perkes IE, 2022, 'Falling through the cracks in science and clinical service – A call to action for people with OCD', Australian and New Zealand Journal of Psychiatry, 56, pp. 1213 - 1216, http://dx.doi.org/10.1177/00048674221125595

Ackland CA; Molesworth BRC; Grisham JR; Lovibond PF, 2022, 'Pilot Mental Health, Methodologies, and Findings: A Systematic Review', Aerospace Medicine and Human Performance, 98, pp. 696 - 708, http://dx.doi.org/10.3357/AMHP.6043.2022

Wong SF; Scharfenberg A; Krause S; Grisham JR, 2022, 'The Impact of Modifying Interpretive Bias on Contamination-Related Obsessive–Compulsive Symptoms', Journal of Psychopathology and Behavioral Assessment, 44, pp. 811 - 825, http://dx.doi.org/10.1007/s10862-022-09963-x

McEvoy PM; Hyett MP; Johnson AR; Erceg-Hurn DM; Clarke PJF; Kyron MJ; Bank SR; Haseler L; Saulsman LM; Moulds ML; Grisham JR; Holmes EA; Moscovitch DA; Lipp OV; Rapee RM, 2022, 'Impacts of imagery-enhanced versus verbally-based cognitive behavioral group therapy on psychophysiological parameters in social anxiety disorder: Results from a randomized-controlled trial', Behaviour Research and Therapy, 155, pp. 104131, http://dx.doi.org/10.1016/j.brat.2022.104131

Yap K; Chen W; Wong SF; Isemann S; Svehla J; Grisham JR, 2022, 'Is it as good as being in person? The effectiveness of a modified clinician facilitated buried in treasures group for hoarding disorder using video teleconferencing', Psychiatry Research, 314, http://dx.doi.org/10.1016/j.psychres.2022.114631

Champion SM; Grisham JR, 2022, 'How can we stop caregiver reassurance? Investigating predictors of family accommodation in obsessive-compulsive scenarios', Journal of Obsessive Compulsive and Related Disorders, 34, http://dx.doi.org/10.1016/j.jocrd.2022.100741

Champion SM; Grisham JR, 2022, 'Excessive reassurance seeking versus compulsive checking in OCD: Comparing implicit motivators and mechanisms', Journal of Behavior Therapy and Experimental Psychiatry, 75, http://dx.doi.org/10.1016/j.jbtep.2021.101720

Croft J; Grisham JR; Perfors A; Hayes BK, 2022, 'Risking Everything in Obsessive–Compulsive Disorder: An Analogue Decision-Making Study', Journal of Psychopathology and Behavioral Assessment, 44, pp. 364 - 375, http://dx.doi.org/10.1007/s10862-021-09901-3

Chen W; McDonald S; Wearne T; Grisham JR, 2022, 'Interpersonal functioning in hoarding: An investigation of the link between hoarding symptoms and social support, social anhedonia, and social rewards', Journal of Affective Disorders Reports, 8, http://dx.doi.org/10.1016/j.jadr.2022.100313

Cooper D; Champion SM; Stavropoulos L; Grisham JR, 2022, 'How technology can enhance treatment: A scoping review of clinical interventions for anxiety and obsessive-compulsive spectrum disorders', British Journal of Clinical Psychology, 61, pp. 8 - 30, http://dx.doi.org/10.1111/bjc.12279

Chia K; Pasalich DS; Fassnacht DB; Ali K; Kyrios M; Maclean B; Grisham JR, 2021, 'Interpersonal attachment, early family environment, and trauma in hoarding: A systematic review', Clinical Psychology Review, 90, http://dx.doi.org/10.1016/j.cpr.2021.102096

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