Conference Program

8:45

Neural responses to monetary rewards and the development of binge eating in youth Lindsay Bodell1, Cassandra Lowe2. 1University of Western Ontario, London, ON, Canada.2University of Exeter, Exeter, United Kingdom

9:00

Multivariate trajectories of weight and mental health and prognostic significance over six years after obesity surgery Anja Hilbert1, Christian Staerk2, Annika StrApmer1, 2, Ben Schreglmann1, Thomas Mansfeld3, Johannes Sander4, Florian Seyfried5, Stefan Kaiser6, Christine Stroh7, Arne Dietrich8, Ricarda Schmidt1, Andreas Mayr2. 1University of Leipzig Medical Center, Leipzig, Germany.2University Hospital Bonn, Bonn, Germany.3Asklepios Clinic, Hamburg, Germany.4SchApn Klinik Hamburg Eilbek, Hamburg, Germany.5University Hospital WA¼rzburg, WA¼rzburg, Germany.6Hospital Konstanz, Konstanz, Germany.7Municipal Hospital Gera, Gera, Germany.8University Hospital Leipzig, Leipzig, Germany

9:15

Testing a Biobehavioral Model of Illness Severity in Bulimic Syndromes Pamela K. Keel1, Lindsay P. Bodell2, J. Woody Luxama3, Austin Starkey4, Naomi G. Hill5, Chloe Halfhide6, Jonathan Appelbaum1, Diana L. Williams1. 1Florida State University, Tallahassee, FL, USA.2Western University, London, ON, Canada.3University of Central Florida, Orlando, FL, USA.4Wexner Medical Center, Columbus, OH, USA.5Ohio University, Athens, OH, USA.6Precisionary Instruments, Natick, MA, USA

9:30

THE EFFECTS OF EXOGENOUS OVARIAN HORMONES ON BINGE EATING RISK IN WOMEN: A DAILY STUDY ACROSS 49 DAYS Kelly L. Klump1, Megan E. Mikhail 1, Carolina Anaya1, Kristen M. Culbert1, Pamela K. Keel2, Cheryl L. Sisk3, Michael C. Neale4, Debra K. Katzman5, Lindsay S. Ackerman1, Alaina M. Di Dio6, S. Alexandra Burt1. 1Department of Psychology, Michigan State University, East Lansing, MI, USA.2Department of Psychology, Florida State University, Tallahassee, FL, USA.3Neuroscience Program, Michigan State University, East Lansing, MI, USA.4Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA.5Hospital for Sick Children, University of Toronto, Toronto, Canada.6Department of Psychology, Oberlin College, Oberlin Ohio, OH, USA

9:45

Risk Factors that Predict Future Onset of Binge Eating and Compensatory Behaviors Over 4-Year follow-up Eric Stice1, Heather Shaw1, Paul Rohde2, Sonja Yokum2. 1Stanford University, Stanford, CA, USA.2Oregon Research Institute, Springfield, OR, USA

Autism spectrum disorder and anorexia nervosa: Investigating the behavioural and neurocognitive overlap Natalia Albein-Urios. Federation University, Berwick, Australia

ASSESSMENT/CLASSIFICATION

Towards a national Eating Disorders Clinical Research Network (EDCRN): Co-producing core measures and variables Karina L Allen1, 2, Tom Jewell2, Anna Carnegie2, Suzanne Baker2, 3, James Downs2, Jessica Griffiths1, Marilyn Okoro2, Hope Virgo2, Gerome Breen2. 1South London and Maudsley NHS Foundation Trust, London, United Kingdom.2King's College London, London, United Kingdom.3F.E.A.S.T., London, United Kingdom

PSYCHOLOGICAL

Identifying heterogeneity in the causal relationships between negative affect, binge-eating, and self-induced vomiting behaviors in bulimia nervosa Lisa M. Anderson1, Kelvin O. Lim 1, Erich Kummerfeld1, Stephen A. Wonderlich2, Scott Engel2, Ross D. Crosby2, Carol B. Peterson1. 1University of Minnesota, Minneapolis, MN, USA.2Sanford Research, Fargo, ND, USA

DEVELOPMENTAL

Experience of transitions from child to adult eating disorder services: A qualitative meta-aggregation Amelia Austin1, Manya Singh1, 2, Andrea Krishnapillai3, 4, Cheryl Webb3, 4, Maria Nicula3, 4, Ana Claudia Vieira de Almeida5, 6, Sela Scott5, Christopher Mushquash7, 8, Melissa Kimber9, Jennifer Couturier3, 4, Gina Dimitropoulos1, 2, 5. 1 The Mathison Centre for Mental Health Research a Education, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgarya, Calgary, AB, Canada.2Calgary Eating Disorders Program, Alberta Childrena, Calgary, AB, Canada.3Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.4Offord Centre for Child Studies, Hamilton, ON, Canada.5Faculty of Social Work, University of Calgary, Calgary, AB, Canada.6Federal University of Triangulo Mineiro, Uberaba, Brazil.7Department of Psychology, Lakehead University, Thunder Bay, ON, Canada.8Dilico Anishinabek Family Care, Fort William First Nation, ON, Canada.9Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada

TREATMENT/PREVENTION

Which Psychological Interventions Do Community Psychotherapists Use to Treat Individuals with Eating Disorders? Deepika Bajaj, Kristin von Ranson. University of Calgary, Department of Psychology, Calgary, AB, Canada

PSYCHOLOGICAL

Beyond Sex: Examining Measurement Invariance of the Intuitive Eating Scale-2 in a Cross-Cultural Study between Brazil and the U.S. Maria Bazo Perez1, Leslie D. Frazier1, Priscila Figueiredo Campos2, Pedro Henrique Berbert de Carvalho2, 3. 1Florida International University, Miami, FL, USA.2NICTA, Body Image and Eating Disorders Research Group, Federal University of Juiz de Fora, Governador Valadares, Brazil.3AMBULIM, Eating Disorders Program, Institute of Psychiatry, University of SApo Paulo, SApo Paulo, Brazil

ASSESSMENT/CLASSIFICATION

The Thorny Issue of Atypical Anorexia Nervosa: Clinicians’ Perspectives on How It Should Be Defined Jessica Beard, Glenn Waller. University of Sheffield, Sheffield, United Kingdom

BIOLOGICAL/RISK FACTORS

DORSOLATERAL PREFRONTAL CORTEX ACTIVATION TO FOOD CUES DIFFERENTIATES ANOREXIA NERVOSA FROM LOW-WEIGHT AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER Kendra R Becker1, 2, 3, Sophie R. Abber4, Avery L. Van De Water5, 6, Lauren Breithaupt1, 2, 3, Franziska Plessow1, 3, 5, Lillian P. Palmer1, 2, Christopher J. Mancuso, Alyssa Izquierdo5, Olivia Wons, Megan Kuhnle5, Julia Gydus, Meghan Slattery1, 5, Kristine Hauser, Elisa Asanza1, 5, Nadia Micali 7, 8, Madhusmita Misra9, 10, Elizabeth A. Lawson1, 3, 5, Jennifer J. Thomas 1, 2, 3, , Laura M. Holsen6, 11, , Kamryn T. Eddy1, 2, 3, . 1Mass General Brigham Multidisciplinary Eating Disorders Research Collaborative, Boston, MA, USA.2Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.3Harvard Medical School, Boston, MA, USA.4Department of Psychology, Florida State University, Tallahassee, FL, USA.5Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.6Division of Womena, Boston, MA, USA.7Mental Health Services of the Capital Region of Denmark, Copenhagen, Denmark.8Eating Disorders Research Unit, Ballerup Psychiatric Centre, Copenhagen, Denmark.9Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, VA, USA.10University of Virginia Health Children's, Charlottesville, VA, USA.11Connors Center for Womena, Boston, MA, USA

TRAUMA

“Once Again It Becomes a Friend in Times of Adversity”: A Qualitative Exploration of Interrelationships between Anorexia Nervosa and Trauma over Ten Years Sallee Berry1, Janet Conti1, 2, Phillipa Hay2. 1School of Psychology, Penrith South DC, Australia.2Transnational Health Research Institute, Penrith South DC, Australia

TREATMENT/PREVENTION

TITLE: A PILOT STUDY INVESTIGATING THE ACCEPTABILITY AND FEASIBILITY OF A GROUP INTERVENTION FOR PARENTS OF AUTISTIC YOUNG PEOPLE WITH ANOREXIA NERVOSA WITHIN A SPECIALIST EATING DISORDERS SERVICE. Kate Bersford1, Sofia Loizou2, Julian Baudinet1, Paula Herrera-Gener1. 1South London and Maudsley (SLaM) NHS Foundation Trust - MCCAED, London, United Kingdom.2King's College London, London, United Kingdom

PSYCHOLOGICAL

Exploring Disparities in Eating Disorder Risk Across Intersecting Identities: A Scoping Literature Review Tatyana Bidopia, Natasha L. Burke. Fordham University, Bronx, NY, USA

MEDICAL FACTORS

Biological, Psychological, and Social Impacts of GLP-1 Medications: Implications for Eating Disorder Care Rebecca G Boswell1, 2, Rachelle Pullmer3. 1Penn Medicine Princeton Medical Center, Princeton Center for Eating Disorders, Plainsboro, NJ, USA.2Princeton University, Department of Psychology, Princeton, NJ, USA.3St. Paula, Vancouver, BC, Canada

MISCELLANEOUS

Preparing future health professionals to tackle bodily insecurity among children: the Confident Athlete Bodies (CAB) model Solfrid Bratland-Sanda1, Trine Tetlie Eik-Nes2, 3. 1University of South-Eastern Norway, BAc, Norway.2Norwegian University of Science and Technology, Trondheim, Norway.3StjAcrdal Community Mental Health Centre, Levanger Hospital, StjAcrdal, Norway

TREATMENT/PREVENTION

Duration of Illness Fails to Predict Treatment Outcomes in a Specialized Inpatient Eating Disorder Unit Courtney E Breiner1, 2, Caroline Touzeau1, 2, E Caitlin Lloyd1, 2, B Timothy Walsh1, 2, Blair Uniacke1, 2. 1Columbia University Irving Medical Center, New York, NY, USA.2New York State Psychiatric Insitute, New York, NY, USA

MISCELLANEOUS

Mortality and mental health funding – When the dollars don’t add up: A portfolio analysis of eating disorder research funding 2009-2021. Emma Bryant1, Nicholas Koemel2, Jordan Martenstyn1, 3, Peta Marks1, Ian Hickie4, Sarah Maguire1. 1InsideOut Institute, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney and Sydney Local Health District, Sydney, Australia.2Physical Activity, Lifestyle, and Population Health Sydney School of Health Sciences, University of Sydney, Sydney, Australia.3School of Psychology, Faculty of Science, University of Sydney, Sydney, Australia.4rain and Mind Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia

TREATMENT/PREVENTION

Comparing symptom networks of bulimia nervosa, anorexia nervosa, and binge eating disorder Ulrike Buhlmann1, Marieke Meier1, Richard J. McNally2, Jennie M. Kuckertz3, Karsten Braks4. 1University of Muenster, Muenster, Germany.2Harvard University, Cambridge, MA, USA.3McLean Hospital/Harvard Medical School, Belmont, MA, USA.4Klinik am Korso, Bad Oeynhausen, Germany

ASSESSMENT/CLASSIFICATION

Piloting a Novel Application of the Frith-Happé Theory of Mind Animations to Assess Cognitive Empathy in Adolescent Females Victoria Burmester, Jordan Elliott, Dasha Nicholls. Imperial College, London, United Kingdom

PSYCHOLOGICAL

Social Anxiety and Peer Relationships Predict Weight Recovery in Adolescent Onset Anorexia Nervosa Victoria Burmester1, Erica Cini2, 3, Tahmida Baksh3, Nikita Catalina Julius1, Keziah Chung1, Dasha Nicholls1. 1Imperial College London, Psychiatry, London, United Kingdom.2King's College London, Psychiatry, London, United Kingdom.3University College London East, London NHS Foundation Trust, London, United Kingdom

TREATMENT/PREVENTION

Motivational Step by Step-Bulimia Nervosa Group Cristina Carmona i FarrAcs1 2, Leonor Patricia Gawron1, Laia Arias1, Sara Crivilles1, Gloria Faustino1, Mar Carceller1 2. 1Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.2CIBERSAM, Barcelona, Spain

PSYCHOLOGICAL

Internalized transphobia is associated with body uneasiness, eating disorder psychopathology, and treatment outcome in persons with gender incongruence: a network analysis and two years follow up evaluation. Giovanni Castellini, Emanuele Cassioli, Eleonora Rossi, Valdo Ricca. Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy

BIOLOGICAL/RISK FACTORS

Changes in Insomnia and Binge Eating Symptom Severity Before, During, and After Eating Disorders Treatment in Non-Low Weight Binge-Spectrum Disorders Kara A. Christensen Pacella1, Yiyang Chen2, Angeline R. Bottera2, Kelsie T. Forbush2. 1University of Nevada, Las Vegas, Las Vegas, NV, USA.2University of Kansas, Lawrence, KS, USA

PSYCHOLOGICAL

A Comparison of Eating- and Body-related Symptomatology, Distress, and Impairment in Adults with Orthorexia Nervosa and Eating Disorders Rosemary K. Clifford, Elizabeth Rieger. Australian National University, Canberra, Australia

TREATMENT/PREVENTION

Implementation of caregiver-focused skills groups for pediatric eating disorders Jennifer S Coelho1, 2, Andrea Wallace1, 3, Pei-Yoong Lam1, 3, Nicole Obeid4, 5, Mark Norris4, 6. 1Provincial Specialized Eating Disorders Program, BC Children's Hospital, Vancouver, BC, Canada.2Dept. of Psychiatry, University of British Columbia, Vancouver, BC, Canada.3Division of Adolescent Medicine, Dept. of Pediatrics, University of British Columbia, Vancouver, BC, Canada.4Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada.5Dept. of Psychology, University of Ottawa, Ottawa, ON, Canada.6Dept. of Pediatrics, University of Ottawa, Ottawa, ON, Canada

EPIDEMIOLOGY

FOOD ADDICTION AND ITS ASSOCIATION WITH PSYCHIATRIC AND SOMATIC COMORBIDITIES: A POPULATION-BASED SURVEY Valeria L. da Cruz1, Jose C. Appolinario2, Rosely Sichieri1, Phillipa Hay3, Claudia S. Lopes1. 11. Social Medicine Institute, State University of Rio de Janeiro, Rio de Janeiro, Brazil.22. Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.33. Translational Health Research Institute, School of Medicine, Western Sydney University, Rio de Janeiro, Brazil

COMORBIDITY

Exploring the Prevalence and Symptom Presentation of Food Addiction Among Norwegian Bariatric Surgery Patients: Associations with Depression, Dysregulated Eating Behaviours, and Postoperative Weight Loss Camilla L. Dahlgren1, 2, Jon A. Kristinsson3, Inger E.L. Eribe3, Gro WalAc-Syversen1, 4. 1Department of Psychology, Oslo New Univeristy College, Oslo, Norway.2Regional Department for Eating Disorders, Oslo University Hospital, Oslo, Norway.3Journal of the Norwegian Psychological Association, Oslo, Norway.4Centre for Morbid Obesity and Bariatric Surgery, Oslo University Hospital, Oslo, Norway

BIOLOGICAL/RISK FACTORS

Structural and functional brain imaging in young girls at high risk of developing anorexia nervosa Karin Dahlin1, Malin BjAprnsdotter2, 3, Kajsa JAcrvholm4, Jovanna Dahlgren5, Elisabet Wentz1. 1Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.2Department of Psychiatry for Affective Disorders, Sahlgrenska University Hospital, Gothenburg, Sweden.3Center for Cognitive and Computational Neuropsychiatry (CCNP), Karolinska Institute, Stockholm, Sweden.4Department of Psychology, Faculty of Social Sciences, Lund University, Lund, Sweden.5Region VAcstra GAptaland, Queen Silvia ChildrenAas Hospital, Department of Pediatrics, Gothenburg, Sweden

PSYCHOLOGICAL

A LONGITUDINAL EXAMINATION OF DECISION MAKING AND AFFECTIVE SYMPTOMS IN WOMEN WITH ANOREXIA NERVOSA Unna N. Danner1, 2, Lot C. Sternheim2, Isis F.F.M. Elzakkers1, Sara van Erp3, Hans W. Hoek4, 5, 6, Annemarie A. van Elburg1, 2. 1Altrecht Eating Disorders Rintveld, Zeist, Netherlands.2Department of Clinical Psychology, Utrecht University, Utrecht, Netherlands.3Department of Methods a Statistics, Utrecht University, Utrecht, Netherlands.4Parnassia Psychiatric Institute, The Hague, Netherlands.5Department of Psychiatry, University Medical Center Groningen, Groningen, Netherlands.66Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA

TREATMENT/PREVENTION

Feasibility Randomised Controlled Trial of Internet-Based Dialectical Behaviour Therapy Skills Training to Reduce Symptoms of Bulimia Nervosa (BN) or Binge Eating Disorder (BED) in Adults in Iran: A Protocol and Initial Learning Bahareh Dastan , Amy Harrison. Department of Psychology and Human Development, UCL Institute of Education, London, UK, London, United Kingdom

PSYCHOLOGICAL

Emotion Regulation, Cognitive Rigidity, and Mood in Overweight and Obesity: A Network Analysis Chantal P. Delaquis1, Dean Spirou2, 3, Evelyn Smith4, 5, Katie Wood2, Jayanthi Raman3, Sylvie Berthoz1, 6. 1INCIA CNRS UMR 5287, Univ. Bordeaux, Bordeaux, France.2Graduate School of Health, University of Technology, Sydney NSW, Australia.3School of Psychological Sciences, University of Newcastle, Callaghan NSW, Australia.4School of Psychology, Western Sydney University, Sydney NSW, Australia.5Translational Health Research Institute, Western Sydney University, Sydney NSW, Australia.6Dept. of Psychiatry, Institut Mutualiste Montsouris, Paris, France

TREATMENT/PREVENTION

A randomised controlled feasibility trial of intermittent theta burst stimulation with an open longer-term follow-up for young people with persistent anorexia nervosa (RaISE): Study protocol Daire Douglas1, Amelia Hemmings1, Lucy Gallop1, Basak Ince1, Darren Cutinha2, Carol Kan3, Mima Simic2, Ewa Zadeh4, Isabella Malvisi5, Katie McKenzie5, Lucy Zocek5, Helen Sharpe6, Owen O'Daly7, Iain C Campbell1, Ulrike Schmidt1, 2. 1Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.2South London and Maudsley NHS Foundation Trust, London, United Kingdom.3Central and North West London NHS Foundation Trust, London, United Kingdom.4South West London and St Georges Mental Health NHS Trust, London, United Kingdom.5EDIFY, London, United Kingdom.6School of Health in Social Science, University of Edinburgh, Edinburgh, Scotland.7Department of Neuroimaging, Centre for Neuroimaging Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom

PSYCHOLOGICAL

NON-ACCIDENTAL VIOLENCE AND EATING DISORDERS SYMPTOMS IN SWEDISH COMPETITIVE ATHLETES. A CROSS-SECTIONAL STUDY. Klara Edlund1, Louise Davis2, Andreas Ivarsson3, Ulrika Tranaeus4. 1Karolinska Institutet, Solna, Sweden.2UmeAy University, UmeAy, Sweden.3Halmstad University, Halmstad, Sweden.4The Swedish School of Sport and Health Science, Stockholm, Sweden

TREATMENT/PREVENTION

An optimal connectivity profile of response to Deep Brain Stimulation to the Nucleus Accombens in Severe Enduring Anorexia Nervosa John Eraifej1, 3, Jessica Scaife1, 2, Nanditha Rajamani4, Alexander Green1, 3, Andreas Horn4-6, Rebecca J Park2. 1Nuffield Department of Surgery, University of Oxford, Oxford, United Kingdom.2Department of Psychiatry, University of Oxford, Oxford, United Kingdom.3Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom.4Movement Disorder and Neuromodulation Unit, Department of Neurology, CharitAc -UniversitActsmedizin Berlin, Berlin, Germany.5Brain Modulation Lab, Department of Neurosurgery, Massachusetts General Hospital, Boston, MA, United Kingdom.6 Harvard Medical School, Boston, MA, USA

Evaluating Open and Blind Weighing in a Partial Hospitalization Program for Adolescents and Young Adults with Eating Disorders Jamal H. Essayli, Elijah A. Akinade, Ashlye B. Borden, Jennifer K. Shook, Susan E. Lane-Loney. Penn State College of Medicine, Hershey, PA, USA

MISCELLANEOUS

Early-Career Training in Eating Disorders Research: Identifying Gaps and Outlining Solutions Emily Ferrer1, Julia M. Hormes2, Thomas Hildebrandt3, C. Alix Timko1. 1Childrena, Philadelphia, PA, USA.2University at Albany, State University of New York, Albany, NY, USA.3Icahn School of Medicine at Mount Sinai, New York, NY, USA

DEVELOPMENTAL

Prevalence of eating disorders and comorbid psychopathology among UK secondary school pupils: Evidencing the need for an accessible intervention Sophie Fletcher1, Tabitha Jackson1, Talar Moukhtarian1, Carla Toro1, Glenn Waller2, Caroline Meyer1. 1University of Warwick, Coventry, United Kingdom.2University of Sheffield, Sheffield, United Kingdom

ASSESSMENT/CLASSIFICATION

The Eating Pathology Clinical Outcomes Tracker (EPCOT): A week-to-week assessment of eating-disorder behaviors and cognitions for clinical and research settings Kelsie Forbush1, Yiyang Chen1, Sean Joo1, Kelsey Hagan2, Brianne Richson3, Danielle Chapa4, Sarah Johnson-Munguia1, Kara Christensen Pacella5, Marianna Thomeczek1, Brittany Bohrer6, Victoria Perko7, Sonakshi Negi1, Anjali Sharma1, Emily Like1, R. William Morgan1, Irina Vanzhula1. 1University of Kansas, Lawrence, KS, USA.2Virginia Commonwealth University, Richmond, VA, USA.3Neuropsychiatric Research Institute, Fargo, ND, USA.4Western Psychiatric Hospital, Pittsburgh, PA, USA.5University of Nevada Las Vegas, Las Vegas, NV, USA.6University of California San Diego, San Diego, CA, USA.7ReefPoint Group, LLC, Tysons, VA, USA

TREATMENT/PREVENTION

Feasibility Study of an AI Chatbot-Powered Cognitive-Behavioral Lifestyle Modification Program Evan Forman1, 2, Charlotte Hagerman1, Asher Hong1, Zhuoran Huang1, Hannah McCausland1, 2, Jasmine Sun1, 2, Lauren Taylor1, 2, Meghan Butryn1, 2, Preetha Chatterjee3, Ramtin Ehsani3, Nawal Syed1, 4. 1Center for Weight, Eating and Lifestyle Science, Drexel University, Philadelphia, PA, USA.2Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA.3Department of Computer Science, Drexel University, Philadelphia, PA, USA.4Department of Biology, Drexel University, Philadelphia, PA, USA

THE EXPERIENCE OF SIBLINGS ATTENDING MULTIFAMILY THERAPY FOR ADOLESCENT EATING DISORDERS Ingrid Funderud, Trine Wiig Hage, Kristin Stedal, Anne-Lise Kvakland, Jeanette SkjAcnhaug, A RAc, Jan Vegard Nilsen. Regional Department for Eating Disorders, Oslo University Hospital, Oslo, Norway

Exploring the Impact of a Dissonance-Based Intervention on Reducing Fatphobia and Anti-Fat Bias in Individuals with Eating Disorders Mahathi Gavuji, Katherine Schaumberg, Lauren Pictor. University of Wisconsin-Madison, Madison, WI, USA

PSYCHOLOGICAL

Applying the traumatic invalidation model to binge eating and restriction among sexual minority individuals Lindsay Gillikin1, Marley Billman Miller2, Samantha Bedard1, Kyle De Young1, Tiffany Brown2. 1University of Wyoming, Laramie, WY, USA.2Auburn University, Auburn, AL, USA

COMORBIDITY

Exploring the Association between Eating Disorders, Suicidality, and Comorbid Diagnoses on a Pediatric Psychiatric Inpatient Unit Michelle L. Harlan, MPS1, 2, Sarah Fischer, PhD1, Rebecca R. Mendoza1, Deborah M. Zlotnik, PhD2. 1George Mason University, Fairfax, VA, USA.2Children's National Hospital, Washington, DC, USA

EPIDEMIOLOGY

A NEVER-ENDING STORY OF THE COVID-19 PANDEMIC AND THE INCREASE OF EATING DISORDERS – IMPACT ON CHILDREN AND ADOLESCENTS IN THE POST-COVID-ERA Beate Herpertz-Dahlmann1, Stefan Eckardt2, Astrid Dempfle3. 1Department of Child a Adolescent Psychiatry, Psychosomatics and Psychotherapy of the RWTH Aachen, D-52074 Aachen, Germany.2Techniker Krankenkasse Northrhine-Westfalia, D-40210 DA¼sseldorf, Germany.3Institute of Medical Informatics and Statistics, D-24105 Kiel, Germany

Food addiction is associated with psychiatric morbidity irrespective of BMI Christina Horsager1, Emil FAbrk1, Jens Meldgaard Bruun2, 3, Marlene Briciet Lauritsen1, 4, SAcren Dinesen A3, 5. 1Psychiatry, Aalborg University Hospital, Aalborg, Denmark.2Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark.3Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.4Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.5Department of Affective Disorders, Aarhus University Hospital - Psychiatry, Aarhus, Denmark

PSYCHOLOGICAL

Acculturative Stress and Loss of Control over Eating: Exploring the moderating effect of impulsivity Serena Hu, Tatyana Bidopia, Yvette Karvey, Natasha L Burke. Fordham University, New York City, NY, USA

TREATMENT/PREVENTION

Body weight and psychopathology changes and predictors of treatment drop out in youth with Anorexia nervosa receiving Family-Based Treatment Linus Imken1, Johannes HorstmApller1, Daniel LeGrange2, 3, Christoph Correll4, 5, Verena Haas1. 1 Department of Child and Adolescent Psychiatry, CharitAc - UniversitActsmedizin Berlin, Berlin, Germany.2Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, USA.3 Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA.4Department of Psychiatry and Molecular Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA.5Department of Psychiatry, Zucker Hillside Hospital, Northwell Health System, Glen Oaks, NY, USA

An integrative model for the management of Long-standing and Treatment-Resistant Eating Disorders: A pilot study and concept definition. Nuria Jaurrieta1, Jessica Jimenez-de Toro1, 2, Laura Galvez1, 2, Rosa Fontana1, 2, Carlos Ruiz1, Alberto GarcAsa1, Anna MontalbAin1, Leslie Lavarello1, Alex Ruiz1, Eva MartAsn1, Axel Gil1, Andrea BertolAsn1, Juan M Perez1, Susana Jimenez-Murcia1, 2, 34, Carlos Franquelo1, Fernando Fernandez-Aranda1, 2, 3, 4. 1Integrated long-standing Eating Disorders Unit, Psychiatric University Hospital, Sagrat Cor, Hermanas Hospitalarias, Vilanova i la Geltru, Spain.2Eating Disorders Unit, Department of Psychology, University Hospital Bellvitge-IDIBELL, Barcelona, Spain.3CIBER Fisiopatologia de la Obesidad y NutriciA³n (CIBERobn), ISCIII, Barcelona, Spain.4Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain

PSYCHOLOGICAL

Punishment sensitivity and the persistence of anorexia nervosa: High punishment sensitivity is related to a less favorable course of anorexia nervosa Nienke C. Jonker1, Klaske A. Glashouwer1, 2, Peter J. de Jong1. 1Department of Clinical Psychology and Experimental Psychopathology, University of Groningen, Groningen, Netherlands.2Department of Eating Disorders, Accare Child and Adolescents Psychiatry, Groningen, Netherlands

MISCELLANEOUS

Oxytocin modulates food stimulus processing and food intake in females with and without binge eating disorder Nannt Julia, Mechteld van den Hoek Ostende, Manfred Hallschmid, Jennifer Svaldi. University of TA¼bingen, TA¼bingen, Germany

BIOLOGICAL/RISK FACTORS

Longitudinal changes in brain-derived neurotrophic factor (BDNF) but not cytokines contribute to hippocampal recovery in anorexia nervosa above increases in body mass index Johanna L Keeler1, Klaas Bahnsen2, Marie-Louis Wronski2, Fabio Bernardoni2, Friederike Tam2, Dominic Arold2, Joseph A King2, Theresa Kolb2, David M Poitz2, Veit Roessner2, Janet Treasure1, Hubertus Himmerich1, Stefan Ehrlich2. 1King's College London, London, United Kingdom.2Technische UniversitAct Dresden, Dresden, Germany

PSYCHOLOGICAL

Examining Food Cue Responsivity and Satiety Sensitivity in Relation to Real-Time Binge Eating Zoya Khalil, Kathryn Smith. University of Southern California, Los Angeles, CA, USA

Exploring Age Dynamics in Eating Disorder Onset and Menarche Across Eating Disorder Subtypes: Does Personality Act as a Moderator? Isabel Krug1, AnahAs Gaspar-PAcrez2, 3, 4, Roser Granero3, 4, 5, Magda Rosinska2, 3, 4, Isabel SAinchez2, 3, 4, Susana JimAcnez-Murcia2, 3, 4, 6, Fernando FernAindez-Aranda 2, 3, 4, 6. 1Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Australia.2Department of Psychology, University Hospital of Bellvitge-IDIBELL, Barcelona, Spain.3CIBER FisiopatologAsa Obesidad y NutriciA³n (CIBERobn), Instituto Salud Carlos III, Barcelona, Spain.4Psychoneurobiology of Eating and Addictive Behaviors Group, Neurosciences Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.5Department of Psychobiology and Methodology, Autonomous University of Barcelonaa, Barcelona, Spain.6Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain

BIOLOGICAL/RISK FACTORS

Characterising Illness Stages and Recovery Trajectories of Eating Disorders in Young People via Remote Measurement Technology (STORY): A Multi-Centre Prospective Cohort Study Protocol Carina Kuenhe1, Sarah Moody2, Callum Bryson1, Iain Campbell1, Pauline Conde1, Nicholas Cummins1, Judith Dineley1, Richard Dobson1, 3, 4, Daire Douglas1, Amos Folarin1, 3, 4, Lucy Gallop1, Amelia Hemmings1, Basak Ince1, Zulqarnain Rashid1, Helen Sharpe2, Ulrike Schmidt1, 5. 1King's College London, London, United Kingdom.2The University of Edinburgh, Edinburgh, United Kingdom.3University College London, London, United Kingdom.4NIHR Maudsley Biomedical Research Centre, London, United Kingdom.5South London and Maudsley NHS Foundation Trust, London, United Kingdom

TREATMENT/PREVENTION

Group cognitive remediation therapy for adolescents with anorexia nervosa requiring inpatient care in Japan Rie Kuge1, Michiko Nakazato2. 1Mental Health Clinic for Children, Shinshu University Hospital, Nagano, Japan.2Department of Psychiatry, International University of Health and Welfare, Chiba, Japan

"Exploring the Efficacy of Computer-Based Mirror Exposure Therapy for Body Image Disturbances in Youth: The FRALANA Study" Tanja Legenbauer1, Stefanie Horndasch2, Lena Sasse2, Laura Derks1, Hannah Fischer1, Julie Kleeschulte1, Oliver Kratz2, Valeska Stonawski2. 1LWL University Hospital Hamm for Child And Adolescent Psychiatry, Ruhr-University Bochum, 59071 Hamm, Germany.2Department of Child and Adolescent Mental Health, University of Erlangen-Nuremberg, 91054 Erlangen Germany

“Don't talk to me like I am an illness”: Introducing communication passport in an adult eating disorder service Zhuo Li1, Dimitri Chubinidze1, Philippa Croft 2, Amanda Sarpong 2, Elisa Zesch 2, Jessica Webb2, Kate Tchanturia1, 2, 3. 1Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.2National Eating Disorder Service, South London and Maudsley NHS Foundation Trust, London, United Kingdom.3Department of Psychology, Ilia State University, Tbilisi, Georgia

PSYCHOLOGICAL

The associations among social media use, dating app use, and body image concerns: A cross-country study Gianluca Lo Coco1, Charlotte Markey2, Laura Salerno1, Rachel Rodgers3. 1University of Palermo, Palermo, Italy.2Rutgers University, Camden, NJ, USA.3Northeastern University, Boston, MA, USA

TREATMENT/PREVENTION

INTEGRATIVE COGNITIVE AFFECTIVE THERAPY - PRELIMINARY DATA ON THE CLINICALLY SIGNIFICANT CHANGE Paulo PP Machado1, TAcnia Rodrigues1, Rita Ramos1, SA³nia GonAsalves1, Steve Wonderlich2. 1University of Minho, School of Psychology, Braga, Portugal.2Sanford Health-Fargo/University of North Dakota, Fargo, ND, USA

Evaluation of an 8-week telehealth cognitive-behavioural therapy (CBT) program for adults with muscle dysmorphia: A pilot and feasibility study Jordan Martenstyn1, 2, Janice Russell3, Cindy Tran1, Sarah Maguire2, 4, Scott Griffiths5. 1University of Sydney, Sydney, Australia.2InsideOut Institute for Eating Disorders, Sydney, Australia.3Brain a Mind Research Institute, Sydney, Australia.4Sydney Local Health District, Sydney, Australia.5University of Melbourne, Sydney, Australia

PSYCHOLOGICAL

Internalized Weight Bias in Adolescents with Anorexia Nervosa or Atypical Anorexia Nervosa Abigail Matthews1, Jessica Lin2, Christina Saliba1, Leslie Sim1. 1Mayo Clinic, Rochester, MN, USA.2Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA

A new tool to capture perceptive body image distortion in adolescent anorexia nervosa Nadine MA¼tze1, Piers Cornelissen2, Martin Tovee2, Laura Derks1, Hannah Fischer1, Tanja Legenbauer1. 1LWL-UniversitActsklinikum Hamm der Ruhr-UniversitAct Bochum, Klinik fA¼r Kinder- und Jugendpsychiatrie - Psychotherapie - Psychosomatik, Hamm, Germany.2Northumbria University Newcastle, Newcastle-upon-Tyne, United Kingdom

TREATMENT/PREVENTION

Pharmacotherapy of Bulimia Nervosa and Binge Eating Disorder Susan L McElroy. Lindner Center of HOPE, Mason, OH, USA

BIOLOGICAL/RISK FACTORS

Leptin and compulsive exercise in inpatients with anorexia nervosa Adrian Meule1, Ulrich Cuntz2, Ulrich Voderholzer2. 1University of Regensburg, Regensburg, Germany.2Schoen Clinic Roseneck, Prien am Chiemsee, Germany

EPIDEMIOLOGY

The Prevalence and Burden of Avoidant/Restrictive Food Intake Disorder (ARFID) in a General Adolescent Population Deborah Mitchison1, Lara Van Buuren2, Catharine Fleming3, Phillipa Hay3. 1Graduate School of Health, Discipline of Clinical Psychology, University of Technology Sydney, Sydney, Australia.2School of Psychology, Western Sydney University, Sydney, Australia.3Translational Health Research Institute, School of Medicine, Sydney, Australia

TREATMENT/PREVENTION

Efficacy of Internet-Based Selective Eating Disorder Prevention: A Randomized Controlled Trial within the Pro-HEAD Consortium Markus Moessner1, 2, Stephanie Bauer1, 2. 1Center for Psychotherapy Research, University Hospital Heidelberg, Heidelberg, Germany.2Heidelberg University, Heidelberg, Germany

Maudsley model of Anorexia treatment for Japanese Outpatient randomised controlled trial (MAJOR study) interim findings, feedback questionnaires Michiko Nakazato1, Noriko Numata2, Yusuke Sudo2, Kiyokazu Takebayashi3, Helen Startup4, Ulrike Schmidt5. 1Department of Psychiatry, International University of Health and Welfare, Narita Hospital, Narita city, Japan.2Research Center for Child Mental Development, Chiba University, Chiba city, Japan.3Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu city, Japan.4Brighton Psychology Services, Brighton, United Kingdom.5Centre for Research in Eating and Weight Disorders, Institute of Psychiatry, King's College London, London, United Kingdom

PSYCHOLOGICAL

The impact of social negative evaluation on wanting and liking in anorexia nervosa Ludovica Natali, Valentina Meregalli, Enrico Collantoni, Paolo Meneguzzo, Elena Tenconi, Angela Favaro, Valentina Cardi. University of Padova, Padova, Italy

BIOLOGICAL/RISK FACTORS

UNPACKING WEIGHT MANAGEMENT INTERVENTIONS MEASURING EATING DISORDERS: SYSTEMATIC REVIEW WITH INTERVENTION CODING Dasha Nicholls1, Natalie Lister2, Isabelle Jardine2, Rabia Khalid2, Samantha Pryde3, Brittany Johnson3, Hiba Jebeile2. 1Imperial College, London, United Kingdom.2University of Sydney, Sydney, Australia.3Flinders University, Adelaide, Australia

TREATMENT/PREVENTION

Assessing the effectiveness of a virtual parent-led peer support group intervention among Canadian parents of youth with eating disorders Maria Nicula1, Jennifer L. Couturier1, 2. 1McMaster University, Hamilton, ON, Canada.2McMaster Children's Hospital, Hamilton, ON, Canada

MISCELLANEOUS

Barriers and facilitators to ethical co-production with Autistic people with an eating disorder Emy Nimbley1, Ellen Maloney1, Kyle Buchan1, Fiona Duffy1, 2. 1School of Health in Social Science, University of Edinburgh, Edinburgh, United Kingdom.2NHS Lothian Child and Adolescent Mental Health Services, Royal Edinburgh Hospital, Edinburgh, United Kingdom

DEVELOPMENTAL

Investigating the Longitudinal Bi-Directional Relationship between Restrictive-Type Disordered Eating and Sleep in UK Adolescents within the Millennium Cohort Study Marie-Christine Opitz1, Giulia Gaggioni2, Nora Trompeter3, Francisco Diego Rabelo da Ponte4, Sylvane Desrivieres4, Nadia Micali3, 5, Ulrike Schmidt6, 7, Helen Sharpe1. 1Department of Clinical Psychology, School of Health in Social Sciences, University of Edinburgh, Edinburgh, United Kingdom.2Division of Psychiatry, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, United Kingdom.3Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.4Social Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, Kinga, London, United Kingdom.5Ballerup Psychiatric Centre, Eating Disorder Research Unit, Copenhagen, Denmark.6Centre for Research in Eating and Weight Disorders, Institute of Psychiatry, Psychology and Neuroscience, Kinga, London, United Kingdom.7South London and Maudsley NHS Foundation Trust, London, United Kingdom

EPIDEMIOLOGY

Investigating the Association between Disordered Eating and Sleep in the General Population – A Systematic Review and Meta-Analysis Marie-Christine Opitz1, Nora Trompeter2, 3, Francisco Diego Rabelo da Ponte2, Michelle Caeroll1, Kyle Buchan1, Giulia Gaggioni1, Sylvane DesriviAures2, Nadia Micali3, 4, Ulrike Schmidt2, Helen Sharpe1. 1University of Edinburgh, Edinburgh, United Kingdom.2King's College London, London, United Kingdom.3University College London, London, United Kingdom.4Ballerup Psychiatric Centre, Copenhagen, Denmark

COMORBIDITY

Higher BMI Uniquely Predicts Objective Binge Episodes and Clinically Significant Non-ARFID Psychopathology in a Frank ARFID Sample Lilian P Palmer1, 2, P. Evelyna Kambanis1, 2, 3, Iman McPherson1, 2, 4, Haley Graver1, 2, Chunni Ji1, 2, 5, Elisa Asanza1, 4, Lauren Shabazian1, 4, Kamryn T Eddy1, 2, 3, Madhusmita Misra7, 8, Nadia Micali9, 10, Laura Holsen1, 3, 5, 6, Elizabeth A Lawson1, 3, 4, Kendra R Becker1, 2, 3, Jennifer J Thomas1, 2, 3. 1Mass General Brigham Multidisciplinary Eating Disorders Research Collaborative, Boston, MA, USA.2Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.3Harvard Medical School, Boston, MA, USA.4Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.5Division of Womena, Boston, MA, USA.6Connors Center for Womena, Boston, MA, USA.7Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, VA, USA.8University of Virginia Health Childrena, Charlottesville, VA, USA.9Mental Health Services of the Capital Region of Denmark, Copenhagen, Denmark.10Eating Disorders Research Unit, Ballerup Psychiatric Centre, Copenhagen, Denmark, Copenhagen, Denmark

TRAUMA

Efficacy of compassion-focused and cognitive behavioral interventions for comorbid eating and post-traumatic stress disorders: A systematic review Rachelle Pullmer, Theo Elfers, Josie Geller. St. Paul's Hospital Eating Disorders Program, Vancouver, BC, Canada

PSYCHOLOGICAL

How Do Stress, Negative Affect, and Anxiety Influence the Presentation of Anorexic Symptoms in Individuals Diagnosed with Anorexia Nervosa: Protocol for a Scoping Review Robin Quagebeur, Emma De Schuyteneer, Elske Vrieze. KU Leuven, Leuven, Belgium

Characterizing binge planning in binge-eating disorder using ecological momentary assessment Brianne N. Richson1, 2, Glen Forester1, 2, Hailey M. Alvey1, Elizabeth N. Dougherty3, Robert D. Dvorak4, Jeffrey S. Johnson1, 5, Carol B. Peterson6, Ross D. Crosby1, 2, Stephen A. Wonderlich1, 2, Lauren M. Schaefer1, 2. 1Sanford Center for Biobehavioral Research, Fargo, ND, USA.2University of North Dakota School of Medicine and Health Sciences Department of Psychiatry and Behavioral Science, Fargo, ND, USA.3University of Chicago Department of Psychiatry and Behavioral Neuroscience, Chicago, IL, USA.4University of Central Florida Department of Psychology, Orlando, FL, USA.5North Dakota State University Department of Psychology, Fargo, ND, USA.6University of Minnesota Department of Psychiatry and Behavioral Sciences, Minneapolis, MN, USA

TREATMENT/PREVENTION

WEIGHT GAIN IN ANOREXIA NERVOSA ACROSS AGE GROUPS IN HIGHER LEVELS OF CARE Renee D Rienecke1, 2, Daniel Le Grange3, 4, Alan Duffy1, Philip S. Mehler1, 5, 6, Dan V. Blalock7, 8. 1Eating Recovery Center a Pathlight Mood a Anxiety Centers, Denver, CO, USA.2Northwestern University, Chicago, IL, USA.3University of California, San Francisco, San Francisco, CA, USA.4The University of Chicago, Chicago, IL, USA.5ACUTE at Denver Health, Denver, CO, USA.6University of Colorado, Denver, CO, USA.7Durham Veterans Affairs Medical Center, Durham, NC, USA.8Duke University, Durham, NC, USA

PSYCHOLOGICAL

SELF-COMPASSION, DIFFICULTIES IN EMOTION REGULATION AND EATING PSYCHOPATHOLOGY: FINDINGS FROM AN EATING DISORDERS CLINICAL SAMPLE AND A COLLEGE SAMPLE. TAcnia Rodrigues1, Isabel Baenas2, Carol Coelho1, Rita Ramos1, Fernando FernAindez2, Paulo Machado1. 1University of Minho, School of Psychology, Braga, Portugal.2University Hospital of Bellvitge, Barcelona, Spain

TREATMENT/PREVENTION

Personality Traits Influencing Treatment Outcome In Clinical Eating Disorder Patients Magda RosiA1, 2, 3, Isabel SAinchez1, 2, 3, Maria del Mar Fabregas Balcells6, IvAin Perales CAirdenas6, Olga Jordana Ovejero3, Maria Teresa Alonzo Castillo6, 7, Laura GAilvez SolAc1, 3, Roser Granero1, 2, 5, Susana JimAcnez-Murcia1, 2, 3, 4, Fernando FernAindez-Aranda 1, 2, 3, 4. 1Psychoneurobiology of Eating and Addictive Behaviors Group, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.2CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Instituto Salud Carlos III, Barcelona, Spain.3Clinical Psychology Unit, Bellvitge University Hospital a, Barcelona, Spain.4Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona (UB), Hospitalet de Llobregat, Spain.5Department of Psychobiology and Methodology, Autonomous University of Barcelona, Barcelona, Spain.6Department of Psychiatry, University Hospital of Bellvitge, Barcelona, Spain.7Vall d'Hebron University Hospital, Barcelona, Spain

ASSESSMENT/CLASSIFICATION

Attentional Set-Shifting and Reversal Learning in Undercontrolled, Overcontrolled, and Low Psychopathology Eating Disorder Groups Lauren M. Schaefer1, 2, Glen Forester1, 2, Elizabeth N. Dougherty3, Angeline R. Bottera4, Erika E. Forbes5, Jennifer E. Wildes3. 1Sanford Center for Biobehavioral Research, Fargo, ND, USA.2University of North Dakota, Fargo, ND, USA.3University of Chicago, Chicago, IL, USA.4University of Kansas, Lawrence, KS, USA.5University of Pittsburgh, Pittsburgh, PA, USA

COMORBIDITY

Eating behaviors of autistic women with an eating disorder Sabrina SchrApder1, 2, Unna Danner1, 2, Annelies Spek3, Annemarie van Elburg1, 2. 1Altrecht Eating Disorders Rintveld, Zeist, Netherlands.2Department of Clinical Psychology University Utrecht, Utrecht, Netherlands.3Autism Expert Center, Eemnes, Netherlands

TREATMENT/PREVENTION

Characteristics of a new model of intensive treatment program for adolescents with high-complexity eating disorders (MINERVA) Eduardo Serrano-Troncoso1, Andrea GutiAcrrez-SaApa1, 2, Maaike Tijken1, 3, Esther Via-Virgili1. 1Hospital Sant Joan de DAcu, Barcelona, Spain.2Universidad Ramon Llull, Barcelona, Spain.3University of Amsterdam, Amsterdam, Netherlands

DEVELOPMENT OF AN INTENSIVE, MULTIFAMILY PROGRAM FOR AVOIDANT RESTRICTIVE FOOD INTAKE DISORDER Leslie Sim, Jocelyn Lebow, Abigail Matthews, Cynthia Harbeck-Weber. Mayo Clinic College of Medicine and Science, Rochester, MN, USA

ASSESSMENT/CLASSIFICATION

A Mobile App for Exploring if Post Meal Activity can Regulate Mealtime Anxiety Kristin Stedal1, Line Wisting1, Joseph Wonderlich2, Selma A1, Ingrid Funderud1. 1Regional Department of Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, UllevAyl HF, Oslo, Norway.2Eating Disorders Unit, Sanford Health, Fargo, ND, USA

TREATMENT/PREVENTION

How is Temperament Based Therapy with Support (TBT-S) Perceived? A Qualitative Study of Patient and Support Experiences. Kristin Stedal1, Ingrid Funderud1, Katarina Lindstedt2. 1Regional Department of Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, UllevAyl HF, Oslo, Norway.2University Health Care Research Center, Faculty of Medicine and Health, A, A, Sweden

Targeting Intolerance of Uncertainty in Adolescent Patients with Anorexia Nervosa: a study protocol Lot C Sternheim1, Jojanneke M Bijsterbosch1, Caya van Eikenhorst1, 2, Unna N Danner1, 2. 1Dep. Clinical Psychology Utrecht University, Utrecht, Netherlands.2Altrecht Eating Disorders Rintveld, Zeist, Netherlands

BIOLOGICAL/RISK FACTORS

A Multicenter Cross-sectional Study to Elucidate Changes in Insular Resting-state Functional Connectivity in Anorexia Nervosa: Examination in Insula Segmented According to Functional Localization Yusuke Sudo1, 2, Rio Kamashita1, 3, Tsunehiko Takamura4, Junko Ota1, 5, 6, Sayo Hamatani1, 6, 7, Koji Matsumoto8, Eiji Shimizu1, 2, 6, Yasuhiro Sato9, Masanori Isobe10, Naoki Kodama11, Hiroaki Adachi12, Shingo Kakeda13, Kazufumi Yoshihara14, Yoshiya Moriguchi15, Atsushi Sekiguchi4, 16, Yoshiyuki Hirano1, 5, 6. 1Research Center for Child Mental Development Chiba University, Chiba, Japan.2Department of Cognitive Behavioral Physiology, Chiba University, Chiba, Japan.3Department of Rehabilitation, Faculty of Health Sciences, Hiroshima Cosmopolitan University, Hiroshima, Japan.4Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Japan.5Applied MRI Research, Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, Chiba, Japan.6United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Japan.7Research Center for Child Mental Development, Fukui University, Eiheizi, Japan.8Department of Radiology, Chiba University Hospital, Chiba, Japan.9Department of Psychosomatic Medicine, Tohoku University Hospital, Sendai, Japan.10Department of Psychiatry, Kyoto University Graduate School of Medicine, Kyoto, Japan.11Division of Psychosomatic Medicine, Department of Neurology, University of Occupational and Environment Health, Kitakyushu, Japan.12Department of Neurology, University of Occupational and Environmental Health School of Medicine, Kitakyushu, Japan.13Department of Radiology, Hirosaki University Graduate School of Medicine, Aomori, Japan.14Department of Psychosomatic Medicine, Kyushu University Hospital, Fukuoka, Japan.15Department of Sleep-Wake Disorders, National Center of Neurology and Psychiatry, Kodaira, Japan.16Center for Eating Disorder Research and Information, National Center of Neurology and Psychiatry, Kodaira, Japan

TREATMENT/PREVENTION

The Young Athlete Body Project – a pilot study evaluation the acceptability of and results from an eating disorder prevention program for adolescent athletes Christine Sundgot-Borgen1, Line Wisting1, Jorunn Sundgot-Borgen2, Karoline Steenbuch2, Jenny Vik Skrede2, Karoline Nilsen2, Eric Stice3, Therese Fostervold Mathisen4. 1Oslo University Hospital, Regional dept for eating disorders, Oslo, Norway.2Norwegian School of Sport Sciences, Department of Sport Medicine, Oslo, Norway.3Stanford University, Department of Psychiatry and Behavioural Sciences, Palo Alto, CA, USA.4A, Fredrikstad, Norway

ASSESSMENT/CLASSIFICATION

EXPLORING THE RELATIONSHIP BETWEEN GENERAL AND EATING DISORDER-SPECIFIC COGNITIVE FLEXIBILITY AND EXECUTIVE FUNCTIONING IN A TRANSDIAGNOSTIC EATING DISORDER SAMPLE Linda Thorsen1, Tora Thorsrud1, 2, Camilla L. Dahlgren3, Siri Weider1, 2. 1Department of Psychology, the Norwegian University of Science and Technology (NTNU), Trondheim, Norway.2Specialised Unit for Eating Disorder Patients, Department of Psychiatry, Levanger Hospital, Health Trust Nord-TrAcndelag, Levanger, Norway.3Department of Psychology, Oslo New University College, Oslo, Norway

TREATMENT/PREVENTION

IMPROVING THE CARE PATHWAY FOR ANOREXIA NERVOSA IN ENGLAND, GERMANY AND SPAIN: THE ECONOMIC VALUE OF EARLY INTERVENTION AND CONTINUITY OF CARE Janet Treasure1, Fernando Fernandez-Aranda2, 3, 4, 5, Beate Herpetz-Dahlmann6, Vinciane Quoidbach7, Suzanne Dickson7, 8, Philip Gorwood9, 10, David McDaid11. 1Centre for Research in Eating and Weight Disorders, Institute of Psychiatry, Psychology and Neuroscience, Kinga, London, United Kingdom.2South London and Maudsley NHS Foundation Trust, London, USA.3Psychoneurobiology of Eating and Addictive Behaviours Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.4Department of Clinical Psychology, Bellvitge University Hospital, Barcelona, Spain. of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, Kinga, London.5ICIBER FisiopatologAsa Obesidad y NutriciA³n (CIBERObn), Instituto de Salud Carlos III., Madrid, Spain, Madrid, Spain.6Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, United Kingdom.7Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy RWTH Aachen University, Aachen, Germany.8European Brain Council, Brussels, Belgium.9UniversitAc Paris CitAc, GHU Paris Psychiatrie et Neurosciences, CMME, Paris, France.10INSERM U1266, Institute of Psychiatry and Neurosciences of Paris (IPNP), Paris, France.11Care Policy and Evaluation Centre, Department of Health Policy, London School of Economics and Political Science, London, United Kingdom

PSYCHOLOGICAL

Emotional & Psychological Factors Associated with NonSuicidal Self-Injury Behaviors Among Latinx Patients with Eating Disorders Eva Trujillo-ChiVacuan1, 2, Karen Hutchinson-Segura1, 2, Shantal Anid Cortes1, 2, Rodolfo Perez1, Esperanza Leal1, Lorena Perez1, Guadalupe Rodriguez1, 2, Elsie Trujillo1, Bertha Winterman1, Emilio J Compte1, 3. 1Comenzar de Nuevo Research Center, Monterrey, Mexico.2Escuela de Medicina y Ciencias de la Salud Tecnologico de Monterrey, Monterrey, Mexico.3Universidad Adolfo IbaApez, Santiago, Chile

TREATMENT/PREVENTION

The Maudsley Model Anorexia nervosa treatment for adolescents and young adults (MANTRa): Applicability in the view of psychotherapists Gudrun Wagner1, Petra Sackl-Pammer1, Tanja Wittek1, Susanne Ohmann1, Sonja Werneck-Rohrer1, Stefanie Truttmann1, Julia Philipp1, Gabriele SchApfbeck1, Konstantin Kopp1, Helene Krauss1, Ulrike Schmidt2, Andreas Karwautz1, Michael Zeiler1. 1Eating Disorder Care and Research Unit, Medical University of Vienna, Vienna, Austria.2Institute of Psychiatry, Psychology a Neuroscience, King's College, London, United Kingdom

EPIDEMIOLOGY

AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER: SYSTEMATIC REVIEW AND META-ANALYSES DEMONSTRATING THE IMPACT OF STUDY QUALITY ON PREVALENCE RATES Glenn Waller, Rebecca Nicholls-Clow, Melanie Simmonds-Buckley. Department of Psychology, University of Sheffield, Sheffield, United Kingdom

PSYCHOLOGICAL

Involuntary Treatment for patients with severe anorexia nervosa: A qualitative study Siri Weider1, 2, Sigrid BjAcrnelv2, Tora Thorsrud1, 2. 1Department of Psychology, the Norwegian University of Science and Technology (NTNU), Trondheim, Norway.2Specialised Unit for Eating Disorder Patients, Department of Psychiatry, Levanger Hospital, Health Trust Nord-TrAcndelag, Levanger, Norway

BIOLOGICAL/RISK FACTORS

HEART-RATE VARIABILITY, COGNITIVE SELF-CONTROL, AND RESTRICTIVE EATING – A PILOT ECOLOGICAL MOMENTARY ASSESSMENT Rebecca Winter, David R. Kolar. Department of Psychology, University of Regensburg, Regensburg, Germany

Food Insecurity is Associated with Positive Screen for Eating Disorders and Reward-Based Eating Pathways in Graduate Health Sciences Students and Postdoctoral Researchers Wanqing Xu, Nicholas Andrysiak, Nour Hammad, Cindy Leung. Harvard T.H. Chan School of Public Health, Boston, MA, USA

EPIDEMIOLOGY

Prospective Associations between Maladaptive Exercise and Disordered Eating: a 10-year Longitudinal Cohort Study Ziyu (Ivan) Zhao, Harmony F. Vides-Varini, Pamela K. Keel. Department of Psychology, Florida State University, Tallahassee, FL, USA

ASSESSMENT/CLASSIFICATION

Is Orthorexia Culturally Conditioned? A Comparison of Druze, Moslem and Jewish Israeli Parent-Child Dyads Ada H Zohar1, Rachel Bachner-Melman2, Lilac Lev-Ari1. 1Ruppin Academic Center, Emek Hefer, Israel.2Hebrew University Jerusalem, Jerusalem, Israel

1

Long-lasting Eating Disorders: clinical features and definition Stephen Touyz.

2

A review of primary research areas in severe and enduring eating disorders Stephen Wonderlich1, 2. 1Sanford Research ND, USA.2University of North Dakota ND

3

Management of Long-lasting ED: Future new approaches Janet Treasure. King, London, United Kingdom

4

Former fashion model and expert by experience in enduring ED Nikolett Bogar. Semmelweis University, Budapest, Hungary