Conference Program

1:15

Developmental psychopathology and early identification of risk for mental illness Rudolf Uher. Dalhousie University

The potential role of metreleptin in the treatment of anorexia nervosa Johannes Hebebrand1, Gabrielle Milos2. 1University Hospital, Essen, Germany.2University Hospital, Zurich, Switzerland

Therapeutic drug monitoring in adolescents with anorexia nervosa for safe treatment with adjunct olanzapine Andrea Karwautz. Medical University of Vienna

Pharmacological studies in eating disorders: a historical review Yael D. Lewis1, 2, Lukas Bergner3, Holger Steinberg 3, Jessica Bentley4, Hubertus Himmerich 4, 5. 1Hadarim Eating Disorders Unit, Shalvata Mental Health, Hod Hasharon, Israel.2Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.3Forschungsstelle fA¼r die Geschichte der Psychiatrie, Klinik und Poliklinik Psychiatrie und Psychotherapie, Medizinische FakultAct der UniversitAct Leipzig, Leipzig, Germany.4Department of Psychological Medicine, Institute of Psychiatry, Psychology a Neuroscience, Kinga, London, United Kingdom.5South London and Maudsley NHS Foundation Trust, London, London, United Kingdom

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

4:15

Mental health on the autism spectrum Francesca Happe. King's College London

TREATMENT/PREVENTION

A feasibility study of the effects of concurrent transcranial direct current stimulation on mindfulness training in adults classified as overweight or obese: The MINDED trial protocol. Manar Ageeli1, Michella Flynn3, Mariana Lopes1, Iain Campbell 1, Ulrike Schmidt 1, 2. 1Centre for Research in Eating and Weight Disorders (CREW), Department of Psychological Medicine, Institute of Psychiatry, Psychology, and Neuroscience, Kinga, London, United Kingdom.2South London and Maudsley NHS Foundation Trust, London, United Kingdom.3InsideOut Institute for Eating Disorders, Sydney, Australia

BIOLOGICAL/RISK FACTORS

The Association Between Eating Disorders, Obsessive Compulsive Disorder and Schizophrenia Vulnerability Traits in a Large Population-based Youth Sample Stefana Aicoboaie1, 2, Helena L. Davies1, 2, Bilal A. Ashraf1, Edoardo Pappaianni 1, 3, Nadia Micali1, 2, 4. 1Center for Eating and feeding Disorders Research, Copenhagen, Denmark.2Institute of Biological Psychiatry, Roskilde, Denmark.3Danish Research Center for Magnetic Resonance, Hvidovre, Denmark.4Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

PSYCHOLOGICAL

Risk, reward, and restriction: Evidence of association between restrictive eating pathology and impaired performance during approach-avoidance conflict Lisa M. Anderson1, Katherine Schaumberg2. 1University of Minnesota, Minneapolis, MN, USA.2University of Wisconsin, Madison, WI, USA

COMORBIDITY

ASSOCIATIONS OF ADULT ADHD SYMPTOMS WITH BINGE EATING SPECTRUM CONDITIONS, PSYCHIATRIC AND SOMATIC COMORBIDITY, AND HEALTHCARE UTILIZATION IN A METROPOLITAN BRAZILIAN CITY Jose C. Appolinario1, Carlos E. Moraes1, 3, Rosely Sichieri2, Phillipa Hay3, Stephen V. Faraone4, Mattos Paulo5. 11. Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.22. Social Medicine Institute, State University of Rio de Janeiro, Rio de Janeiro, Brazil.33. Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia.44. Norton College of Medicine, SUNY Upstate Medical University, Syracuse, NY, USA.55. D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil

TREATMENT/PREVENTION

They DO Want to Get Better: Desire for Recovery Among Individuals With EDs Who Have Received Treatment for an Eating Disorder Jessica Barker1, Tamara Pryor2, Carol Peterson1. 1University of Minnesota, Minneapolis, MN, USA.2Eating Disorder Care, Denver, CO, USA

ASSESSMENT/CLASSIFICATION

Knowledge and attitudes toward eating disorders among different health professionals Eugenia Barone, Marco Carfagno, Alessio Maria Monteleone. University of Campania L. Vanvitelli, Naples, Italy

TRAUMA

Mediators between emotional abuse and eating disorder psychopathology Eugenia Barone, Valeria Ruzzi, Luigi Marone, Alessio Maria Monteleone. University of Campania L. Vanvitelli, Naples, Italy

PSYCHOLOGICAL

A FIRST LOOK AT EATING BEHAVIORS AND NEGATIVE AFFECT IN THE DAILY LIVES OF ADULTS WITH AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER Kendra R. Becker1, 2, 3, Haley Graver1, 2, Ross D. Crosby 4, 5, Scott G. Engel4, 5, Stephen A. Wonderlich4, 5, Leslie A. Laam4, 5, Iman McPherson, Lily P. Palmer1, 2, 6, Lauren Shabazian 1, 6, 7, Elisa Asanza 1, 6, Helen Burton-Murray1, 3, 7, Lauren Breithaupt1, 2, 3, Madhusmita Misra8, 9, Kamryn T. Eddy1, 2, 3, Laura M. Holsen1, 3, 10, 11, Elizabeth A. Lawson1, 3, 6, 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.4Sanford Center for Bio-Behavioral Research, Sanford Health, Fargo, ND, USA.5Department of Psychiatry and Behavioral Science, University of North Dakota School of Medicine and Health Sciences, Fargo, ND, USA.6Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.7Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA.8Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, VA, USA.9University of Virginia Health Childrena, Charlottesville, VA, USA.10Division of Womena, Boston, MA, USA.11Connors Center for Womena, Boston, MA, USA

BIOLOGICAL/RISK FACTORS

“I Might as Well Go All the Way”: Increased Subjective Costs of Control-Related Effort after Eating in Bulimia Nervosa Laura A Berner1, Jiulin Dai1, Blair R. K. Shevlin1, Andrew Westbrook2, Thalia Viranda3, Maia Chester1. 1Icahn School of Medicine at Mount Sinai, New York, NY, USA.2Rutgers University, Piscataway, NJ, USA.3Cornell University (Cornell Tech), New York, NY, USA

ASSESSMENT/CLASSIFICATION

The Bodily Intolerance of Uncertainty Scale: the conceptualization, development, and psychometric evaluation of a new construct Jojanneke Bijsterbosch1, Paul Boelen1, 2, 3, Anouk Keizer1, Dave Hessen1, Annemarie van Elburg1, 4, Lot Sternheim1. 1Utrecht University, Utrecht, Netherlands.2ARQ National Psychotrauma Centre, Diemen, Netherlands.3ARQ Centruma, Diemen, Netherlands.4Co-eur, Utrecht, Netherlands

DEVELOPMENTAL

Interoceptive abilities and intolerance of uncertainty as potential factors contributing to a distorted body representation in adolescent girls with anorexia nervosa Jojanneke Bijsterbosch1, Lot Sternheim1, Paul Boelen1, 2, 3 , Unna Danner1, 4, Chris Dijkerman1, Anouk Keizer1. 1Utrecht University, Utrecht, Netherlands.2ARQ National Psychotrauma Centre, Diemen, Netherlands.3ARQ Centruma, Diemen, Netherlands.4Rintveld Centre for Eating Disorders Altrecht, Zeist, Netherlands

TREATMENT/PREVENTION

Response to Treatment of a Naturalistic, Transdiagnostic Cohort of Outpatients Undergoing Specialized Treatment for an Eating Disorder: Does Duration of Illness Impact Prospects for Short-term Response? Linda Booij1, 2, Juliana Meyerfreund1, Micael Theriault1, Mimi Israel1, 2, Lea Thaler 1, 2, Annie St-Hilaire1, 2, Howard Steiger1, 2. 1Eating Disorders Continuum, Douglas Mental Health University Institute, Montreal, QC, Canada.2Department of Psychiatry, McGill University, Montreal, QC, Canada

PSYCHOLOGICAL

Disgust in anorexia nervosa: testing a theoretical model connecting negative body image to disgust propensity, disgust sensitivity, and self-disgust. Fleur Boonstra1, Rebecca Schulz1, Peter J. Peter1, Klaske A. Glashouwer1, 2. 1Clinical Psychology and Experimental Psychopathology, University of Groningen, Groningen, Netherlands.2Department of Eating Disorders, Accare Child- and Adolescent Psychiatry, Groningen, Netherlands

TREATMENT/PREVENTION

Level of Family Involvement as a Predictor of Outcome in Eating Disorder Patients With and Without Provisional PTSD During Residential Treatment Timothy D Brewerton1, 2, Giulia Suro2, Ismael Gavidia2, Molly M Perlman2, 3. 1Department of Psychiatry a Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA.2Monte Nido a Affiliates, Miami, FL, USA.3Department of Psychiatry and Behavioral Health, Florida International University College of Medicine, Miami, FL, USA

PSYCHOLOGICAL

EXPLORING THE TRAJECTORY OF GUILT AROUND A LOSS-OF-CONTROL EATING EPISODE AND ATTRIBUTIONS OF GUILT Emily K Burr1, Robert D Dvorak1, Lauren M Schaefer2, Alejandra Medina1. 1University of Central Florida, Orlando, FL, USA.2Sanford Center for Bio-behavioral Resaerch, Fargo, ND, USA

TREATMENT/PREVENTION

Clinical and Psychopathological heterogeneity in Binge Eating Disorders: A cluster Analysis Approach Lucia Camacho-Barcia1, 2, 3, Lia T SAinchez-Salido1, 2, Jessica JimAcnez-del Toro1, Roser Granero2, 3, 4, Isabel SAinchez1, 2, 3, Katrin E Giel5, 6, Susana JimAcnez-Murcia1, 2, 3, 7, 8, Stephan Zipfel5, 6, Fernando FernAindez-Aranda1, 2, 3, 7. 1Clinical Psychology Department, Bellvitge University Hospital, Barcelona, Spain.2Psychoneurobiology of Eating and Addictive Behaviours Group, Neurosciences Programme, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.3Ciber FisiopatologAsa Obesidad y NutriciA³n (CIBERobn), Instituto de Salud Carlos III, Barcelona, Spain.4Departament de Psicobiologia i Metodologia de les CiAuncies de la Salut, Universitat AutA²noma de Barcelona, Barcelona, Spain.5Department of Psychosomatic Medicine, University of TA¼bingen, TA¼bingen, Germany. Centre of Excellence for Eating Disorders (KOMET), University of TA¼bingen, TA¼bingen, Germany.6German Center for Mental Health (DZPG), TA¼bingen, Germany.7Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona (UB), Barcelona, Spain.8Psychology services, University of Barcelona (UB), Barcelona, Spain

BIOLOGICAL/RISK FACTORS

Patients with eating disorders reporting history childhood trauma showed distinct a different pattern in terms of microbiome and microbiota metabolites as compared to other patients Giovanni Castellini1, Emanuele Cassioli1, Eleonora Rossi1, Valdo Ricca1, Carlotta De Filippo2. 1Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy.22National Research Council, Institute of Agricultural Biology and Biotechnology, Pisa, Italy, Pisa, Italy

GENETICS

UNDERSTANDING FOOD ADDICTION: A GENETIC PERSPECTIVE Giovanni Castellini1, Elvira Carbone2, Marianna Rania3, Renato De Filippis2, Ettore Da2, Cristina Segura Garcia3, 4. 1University of Florence, Florence, Italy.2Department of Health Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy.3Center for Clinical Research and Treatment of Eating Disorders, University Hospital R. Dulbecco, Catanzaro, Italy.4Department of Medical and Surgical Sciences, University Magna Graecia of Catanzaro, Catanzaro, Italy

TRAUMA

Early life experiences as predictor of outcome, and dissociation as mediator of treatment in patients with Anorexia Nervosa treated with enhanced cognitive behavioral therapy Giovanni Castellini1, Emanuele Cassioli1, Eleonora Rossi1, Stephen Wonderlich2, Valdo Ricca1. 1Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy.2Sanford Center for Biobehavioral Research, Fargo, ND, USA

TREATMENT/PREVENTION

Eye movement desensitisation and reprocessing as add on to enhanced cognitive behaviour therapy increased efficacy on dissociative symptoms in patients with anorexia nervosa reporting childhood maltreatment Giovanni Castellini, Emanuele Cassioli, Eleonora Rossi, Valdo Ricca. Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy

PSYCHOLOGICAL

PERIPERSONAL SPACE AND BODY PERCEPTION: CONTRASTING IMPACTS OF BMI AND PERCEIVED BODY SIZE IN ANOREXIA NERVOSA AND HEALTHY CONTROLS Enrico Collantoni1, Valentina Meregalli1, Matteo Girondini2, Gaia Risso2, Andrea Serino2, Angela Favaro1. 1Department of Neuroscience, University of Padova, Padova, Italy.2MySpace Lab, Department of Clinical Neurosciences, University of Lausanne, Lausanne, Switzerland

ASSESSMENT/CLASSIFICATION

Atypical anorexia nervosa after bariatric surgery: the clinical significance of “significant weight loss” and “significantly low weight” Eva ConceiAsApo1, Ricarda Schmidt2, Ben Schreglmann2, Thomas Mansfeld3, Johannes Sander4, Florian Seyfried5, Stefan Kaiser6, Christine Stroh7, Arne Dietrich8, Anja Hilbert2. 1Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal.2University of Leipzig Medical Center, Leipzig, 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

TREATMENT/PREVENTION

Guided Self-Help Family-Based Treatment Research in the US and Canada: A Comparison of Research Implementation Challenges Jennifer Couturier1, Brittany Matheson2, Booil Jo2, James Lock2. 1McMaster University, Hamilton, ON, Canada.2Stanford University, Stanford, CA, USA

PSYCHOLOGICAL

Experience-Based Co-Design of Internet-based Dialectical Behaviour Therapy Skills Training to Reduce Symptoms of Bulimia Nervosa (BN) or Binge Eating Disorder (BED) in Adults in Iran Bahareh Dastan, Amy Harrison. Department of Psychology and Human Development, UCL Institute of Education, London, UK, London, United Kingdom

TREATMENT/PREVENTION

“The only way that they can access help quickly”: A qualitative exploration of key stakeholders’ perspectives on guided self-help interventions for children and young people with eating disorders Emily Davey1, Nadia Micali1, 2, Rachel Bryant-Waugh3, 4, Sophie Bennett1, 4, Charmayne Lau1, Roz Shafran1. 1UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.2Center for Eating and feeding Disorders Research, Mental Health Center Ballerup, Copenhagen, Denmark.3Maudsley Centre for Child and Adolescent Eating Disorders, South London and Maudsley NHS Foundation Trust, London, United Kingdom.4Institute of Psychiatry, Psychology a Neuroscience, Kinga, London, United Kingdom

MISCELLANEOUS

Does Watching #WhatIEatInADay Videos on TikTok Impact Eating Disorder Cognitions and Urges to Engage in Eating Disorder Behaviors? An Experimental Investigation Heather A Davis1, A. Gabrielle G. Patarinski1, Jacqueline A. Kosmas1, Chloe Roske2, Meredith Kells3. 1Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.2Albert Einstein College of Medicine, Bronx, NY, USA.3School of Nursing, University of Rochester, Rochester, NY, USA

COMORBIDITY

Prevalence and Clinical Correlates of Complex PTSD in Eating Disorders Sinead Day1, Phillipa Hay1, Christopher Basten2, Susan Byrne3, Amanda Dearden4, Mandy Goldstein1, 5, Amy Hannigan4, Gabriella Heruc6, Catherine Houlihan7, Marion Roberts8, W. Kathy Tannous1, Chris Thornton9, Natalie Valentine10, Deborah Mitchison11. 1Western Sydney University, Sydney, Australia.2Macquarie University, Sydney, Australia.3University of Western Australia, Perth, Australia.4Queensland Eating Disorder Service, Indooroopilly, Australia.5everyBody Psychology a Wellbeing, Sydney, Australia.6Appetite for Change, Sydney, Australia.7University of the Sunshine Coast, Sunshine Coast, Australia.8University of Auckland, Auckland, New Zealand.9The Redleaf Practice, Sydney, Australia.10Wandi Nerida, Mooloolah Valley, Australia.11University of Technology Sydney, Sydney, Australia

PSYCHOLOGICAL

Exploring Reciprocal Associations between Self-Reported Anxiety and Eating Disorder Symptoms Longitudinally: A Bivariate Latent Change Score Approach Christopher R. DeJesus1, Erin E. Reilly2, Tiffany A. Brown3, Walter H. Kaye4, Christina E. Wierenga4. 1National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System, Boston, MA, USA.2Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, USA.3Department of Psychological Sciences, Auburn University, Auburn, AL, USA.4Department of Psychiatry, University of California, San Diego, San Diego, CA, USA

Associations between Perfectionistic Concerns and Strivings and Clinical Outcomes at 1-Year Follow-up in Inpatients with Anorexia Nervosa Chantal P. Delaquis1, Nathalie Godart2, 3, 4, Caroline Barry3, Damien Ringuenet3, 5, Anne-Solene Maria6, Isabelle Nicolas7, Sylvie Berthoz1, 7. 1INCIA CNRS UMR 5287, Univ. Bordeaux, Bordeaux, France.2Fondation SantAc des Etudiants de France, Paris, France.3CESP, Inserm, Univ. Paris Saclay, Villejuif, France.4UFR Simone Veil-SantAc, Univ. Versailles Saint-Quentin-en-Yvelines, Montigny-le-Bretonneux, France.5Paul Brousse Hospital, AP-HP, Villejuif, France.6Private Practice, Stimulus Consulting Ltd., Cascavelle, Mauritius.7Dept. of Psychiatry, Institut Mutualiste Montsouris, Paris, France

TREATMENT/PREVENTION

Compassionate Mind Training for Parents: Supporting Adolescents on their Way to Body Acceptance Laura M. Derks1, Tanja Legenbauer1, Danilo C. Sequeira2, Annelie Mekelburg2, James N. Kirby3, Katharina FAprster2, Hanna M. Preuss-van Viersen4. 1LWL-University Hospital Hamm for Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, Ruhr-University Bochum, Hamm, Germany.2Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, TU Dresden, Dresden, Germany, Dresden, Germany.3School of Psychology, The University of Queensland, St Lucia, Queensland, Australia, Brisbane, Australia.4Department of Child and Adolescent Psychiatry, University Medicine Mainz, Johannes Gutenberg-University, Mainz, Germany, Mainz, Germany

EPIDEMIOLOGY

Diagnostic migration from ARFID in childhood to other eating disorder symptoms in adolescence and early adulthood Lisa Dinkler1, Liv Hog1, Ralf Kuja-Halkola1, Paul Lichtenstein1, Henrik Larsson1, 2, Sebastian LundstrApm3, Mark J. Taylor1, Cynthia M. Bulik1, 4, 5. 1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.2School of Medical Sciences, A, A, Sweden.3Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.4Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.5Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC

TREATMENT/PREVENTION

Clinicians, Parents and Carers experience of Family Based Treatment for Anorexia Nervosa with Autistic young people. Fiona Duffy1, 2, 3, Imogen Peebles1, 3, Emma Clark1, Rachel Loomes4, Lisa Thomson3, Emy Nimbley1, 2. 1Department of Clinical Psychology, University of Edinburgh, Edinburgh, United Kingdom.2Eating Disorders and Autism Collaborative, Edinburgh, United Kingdom.3NHS Lothian CAMHS, Edinburgh, United Kingdom.4South West London and St Georges NHS Trust, London, United Kingdom

Questioning the Leanness-Performance Narrative in Elite Sport: Longitudinal Relationships Between Drive for Leanness for Performance, Disordered Eating, and Performance and Injury Outcomes in Elite Athletes Scott/J. Fatt1, Emma George1, Phillipa Hay1, Nikki Jeacocke2, Deborah Mitchison1, 3. 1Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia.2AIS Performance, Australian Sports Commission, Canberra, Australia.3Discipline of Clinical Psychology, Graduate School of Health, University of Technology Sydney, Sydney, Australia

PSYCHOLOGICAL

Differing Health Ratings between Male and Female Images According to Body Proportions Rosha FeiziLighvan1, Kara Christensen Pacella1, 2, Lauren Lesko3, Martie Haselton4. 1University of California, Los Angeles, Los Angeles, CA, USA.2University of Nevada, Las Vegas, Las Vegas, NV, USA.3University of California, Los Angeles, Los Angeles, CA, USA.4University of California, Los Angeles, Los Angeles, CA, USA

MISCELLANEOUS

Disabilities and Eating Disorders: A Theoretical Model and Call for Research Molly W. Fennig1, Phaedra Longhurst2, Lindsay Gillikin3, M. Ariel Cascio4, C. Blair Burnette5, Kirsten E. Gilbert6, Samantha L. Hahn7. 1Department of Psychological a Brain Sciences, Washington University in St. Louis, St. Louis, MO, USA.2School of Psychology and Sport Science, Anglia Ruskin University, East Anglia, United Kingdom.3Department of Psychology, University of Wyoming, Laramie, WY, USA.4Center for Bioethics and Social Justice a Department of Medicine, College of Human Medicine, Michigan State University, East Lansing, MI, USA.5Department of Psychology, Michigan State University, East Lansing, MI, USA.6Department of Psychiatry, Washington University in St. Louis, St. Louis, MO, USA.7College of Medicine, Central Michigan University, Mount Pleasant, MI, USA

BIOLOGICAL/RISK FACTORS

Behaviorally-Assessed Negative Urgency is Uniquely Associated with Binge-Eating Frequency Glen Forester1, 2, Joseph A. Wonderlich1, 2, Angeline R. Bottera3, Elizabeth N. Dougherty4, Maya Day5, Carolyn M. Pearson5, Carol B. Peterson5, Lisa M. Anderson5. 1Center for Biobehavioral Research, Sanford Research, Fargo, ND, USA.2University of North Dakota, Grand Forks, ND, USA.3University of Kansas, Lawrence, KS, USA.4University of Chicago, Chicago, IL, USA.5University of Minnesota Medical School, Minneapolis, MN, USA

TREATMENT/PREVENTION

Binge-Eating disorder in individuals with higher weight: association with psychological distress and quality of life Nasim Foroughi1, Mohammed Mohsin4, 5, Janet Conti3, Phillipa Hay1, 5, Ashley Lam1, Milan Piya2. 1Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia.2South Western Sydney Metabolic Rehabilitation and Bariatric Program, Camden Hospital, Sydney, Australia.3Translational Health Research Institute, School of Psychology, Western Sydney University, Sydney, Australia.4School of Psychiatry, Faculty of Medicine, University of New South Wales, Sydney, Australia.5Mental Health Services, Liverpool Hospital, South Western Sydney Area Health Service, Sydney, Australia

Adaptation of Barlow's Unified Protocol to treat Emotional Eating in a clinical sample of overweight adults: Feasibility and preliminary evidence from a controlled waiting-list pilot study. Leonor P. Gawron, MarAsa del Mar Carceller-Sindreu, Sara CrivillAcs, Laia Arias, Aina Avila, Cristina Carmona. Hospital de la Santa Creu i Sant Pau, Barcelona, Spain

PSYCHOLOGICAL

Carers of Adults with Eating Disorders' Experience of Their Loved One's Recovery Journey: A Qualitative Analysis Josie Geller1, 2, Avarna Fernandes1, Sheila Marshall3, Bev Gorden1, Suja Srikameswaran1, 2. 1St. Paul's Hospital Eating Disorders Program, Vancouver, BC, Canada.2University of British Columbia, Department of Psychiatry, Vancouver, BC, Canada.3University of British Columbia, Department of Adolescent Health and Medicine, Vancouver, BC, Canada

BIOLOGICAL/RISK FACTORS

The role of microbiota-gut-brain axis to understand binge eating - a systematic review Catarina Gomes1, 2, Alondra GonzAilez3, Diogo Prata1, 2, Eduardo LA³pez-Caneda1, 2, Clarisse Nobre4, Eva ConceiAsApo5. 1Psychology Research Center, University of Minho, Braga, Portugal, Braga, Portugal.22School of Psychology, University of Minho, Braga, Portugal, Braga, Portugal.33CEB a, Braga, Portugal.44LABBELS a, Braga, Portugal.55Faculty of Psychology and Educational Sciences, University of Porto , Porto, Portugal

TREATMENT/PREVENTION

PILOT STUDY TO COMPARE FAMILY-BASED WITH INPATIENT MULTIMODAL TREATMENT FOR YOUTH ELIGIBLE FOR HOSPITALIZATION IN GERMANY Verena K Haas1, Katja Wechsung2, Vivien Kaiser1, Janine D Schmidt1, Klemens Raile2, Andreas Busjahn3, Daniel Le Grange4, Christoph U Correll1, 5, 6, 7. 1Department of Child and Adolescent Psychiatry, CharitAc-UniversitActsmedizin Berlin, Berlin, Germany.2Center for Social-Pediatric Care/Paediatric Endocrinology and Diabetology, CharitAc - UniversitActsmedizin Berlin, Berlin, Germany.3HealthTwiSt GmbH, Berlin, Germany.4Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, USA.5Psychiatry Research, The Zucker Hillside Hospital, Northwell Health, Glen Oak, New York, NY, USA.6Department of Psychiatry and Molecular Medicine, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, NY, USA.7German Center for Mental Health (DZPG), Berlin, Germany

COMORBIDITY

A COGNITIVE BEHAVIOURAL MODEL OF THE BIDIRECTIONAL RELATIONSHIP BETWEEN DISORDERED EATING AND TYPE 1 DIABETES SELF CARE: THE EXPERIENCES OF MEN AND WOMEN Amy Harrison1, Emmanouela Konstantara2, Natalie Zaremba2, Jennie Brown2, 3, Jacqueline Allan2, Divina Pillary2, David Hopkins3, Janet Treasure4, Khalida Ismail5. 1University College London, Department of Psychology and Human Development, London, United Kingdom.2King's College London, Diabetes Research Group, London, United Kingdom.3 Institute of Diabetes, Endocrinology and Obesity, King's Health Partners, London, United Kingdom.4King's College London, Centre for Research on Eating and Weight Disorders, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom.5King's College London, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom

PSYCHOLOGICAL

BODY CHECKING AS A MAINTAINING FACTOR: LONGER-TERM EFFECTS OF EXPERIMENTALLY INDUCED BODY CHECKING ON NEGATIVE AFFECT AND DISORDER-SPECIFIC SYMPTOMS IN BULIMIA NERVOSA COMPARED WITH BODY DYSMORPHIC DISORDER AND ILLNESS ANXIETY DISORDER Andrea S Hartmann1, Maj-Britt Vivell1, Vanessa Opladen2, Silja Vocks2. 1University of Konstanz, Division of Clinical Pychology and Psychotherapy of Childhood and Adolescence, Konstanz, Germany.2University of Osnabrueck, Division of Clinical Psychology and Psychotherapy, Osnabrueck, Germany

BIOLOGICAL/RISK FACTORS

Understanding Binge Eating in Adolescents Experiencing Food Insecurity: A Qualitative Investigation Vivienne M. Hazzard1, Moraima Rodriguez1, Dianne Neumark-Sztainer1, Jerica M. Berge2, Marian Tanofsky-Kraff3, Melissa N. Laska1. 1Division of Epidemiology a Community Health, University of Minnesota School of Public Health, Minneapolis, MN, USA.2University of Colorado, Anschutz Medical Campus, Aurora, CO, USA.3Uniformed Services University of the Health Sciences, Bethesda, MD, USA

TREATMENT/PREVENTION

Pilot Trial of a Single-Session, Acceptance-Based Online Workshop Targeting Food Cravings as Predictors of Disordered Eating Behaviors in Pregnancy Julia M. Hormes1, C. Alix Timko2, 3. 1University at Albany, SUNY, Albany, NY, USA.2Childrena, Philadelphia, PA, USA.3Perelman School of Medicine at The University of Pennsylvania, Philadelphia, PA, USA

MISCELLANEOUS

An integrated qualitative investigation of clinician and implementation specialist views on an early intervention service for eating disorders in England Lucy Hyam1, Claire Torkelson2, Olivia Yeadon-Ray2, Katie Richards3, Amy Semple4, Karina Allen1, 5, Jill Owens4, Aileen Jackson4, Laura Semple6, Danielle Glennon5, Giulia Di Clemente5, Jess Griffiths5, Regan Mills1, Ulrike Schmidt1, 5. 1Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom.2Department of Psychosis Studies, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom.3Centre for Implementation Science, King's College London, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom.4Health Innovation Network, Academic Health Science Network, London, United Kingdom.5South London and Maudsley NHS Foundation Trust, London, United Kingdom.6The Academic Health Science Network, hosted by Manchester Foundation Trust, London, United Kingdom

TREATMENT/PREVENTION

Intensive community and home-based treatments for eating disorders: A scoping review Basak Ince1, Amelia Austin 2, 3, Matthew D. Phillips 1, Elizabeth Fordham1, 4, Erica Cini4, 5, 6, Ulrike Schmidt 1, 7. 1Centre for Research in Eating and Weight Disorders (CREW), Department of Psychological Medicine, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom.2Mathison Centre for Mental Health Research a Education, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.3Department of Community Health Sciences, and O'Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.4University College London, London, United Kingdom.5Department of Child a Adolescent Psychiatry, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom.6East London NHS Foundation Trust, London, United Kingdom.7South London and Maudsley NHS Foundation Trust, London, United Kingdom

PSYCHOLOGICAL

Functional coupling among intrinsic brain networks correlates with maladaptive eating attitude in anorexia nervosa Masanori Isobe1, 2, Yasuo Mori1, Tomomi Noda1, Momoka Taniguchi1, Kana Morimoto1, Momo Sunada1, Haruka Kozuki1, 2, Keima Tose1, 2, Toshiya Murai1. 1Kyoto University, Graduate School of Medicine, Department of Psychiatry, Kyoto, Japan.2Kyoto University Hospital, Department of Psychiatry, Kyoto, Japan

DEVELOPMENTAL

Feasibility and Acceptability of a Brief, School-Based Intervention for Eating Disorders: Qualitative perspectives of Pupils, Parents and School Staff Tabitha Jackson1, Sophie Fletcher1, Talar Moukhtarian1, Carla Toro1, Charlotte Kershaw1, Glenn Waller2, Caroline Meyer1. 1University of Warwick, Coventry, United Kingdom.2University of Sheffield, Sheffield, United Kingdom

TREATMENT/PREVENTION

Impact of calories on menus on people with lived experience of eating disorders: A mixed methods survey Tom Jewell1, 2, Abinaya Nadarajah1, Fiona Duffy3, 4, Dasha Nicholls5, Ellen Maloney3, Helen Sharpe3, Ulrike Schmidt1, Lucy Serpell6, 7, Nora Trompeter6. 1King's College London, London, United Kingdom.2Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom.3University of Edinburgh, Edinburgh, United Kingdom.4Royal Edinburgh Hospital, NHS Lothian, Edinburgh, United Kingdom.5Imperial College London, London, United Kingdom.6University College London, London, United Kingdom.7North East London NHS Foundation Trust, London, United Kingdom

PSYCHOLOGICAL

Exploring Descriptives and Correlates of Distress Associated With Loss of Control Eating Across the Perinatal Period Riley J. Jouppi1, Christine C. Call2, Rachel P. Kolko Conlon2, Michele D. Levine1, 2. 1Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA.2Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA

ASSESSMENT/CLASSIFICATION

THE CLINICAL IMPAIRMENT ASSESSMENT DOES NOT ADEQUATELY CAPTURE PSYCHOSOCIAL IMPAIRMENT IN AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER P. Evelyna Kambanis1, Lilian Palmer1, Iman McPherson1, Haley Graver1, Elisa Asanza1, Lauren Shabazian1, Lauren Breithaupt1, Lazaro Zayas1, Kamryn Eddy1, Madushmita Misra1, Nadia Micali2, Laura Holsen1, Elizabeth Lawson1, Kyle De Young3, Kendra Becker1, Jennifer Thomas1. 1Massachusetts General Hospital, Boston, MA, USA.2Mental Health Services of the Capital Region of Denmark, Ballerup, Denmark.3University of Wyoming, Laramie, WY, USA

TREATMENT/PREVENTION

A feasibility RCT of oral ketamine vs. placebo for anorexia nervosa with treatment-resistant depression: the EDEN study Johanna L Keeler1, Hubertus Himmerich1, Janet Treasure1, Allan Young1, Mitul Mehta1, Mario Juruena1, Ben Carter1, Carol Kan2, Vanessa Lawrence1. 1King's College London, London, United Kingdom.2Central and North West London NHS Trust, London, United Kingdom

BIOLOGICAL/RISK FACTORS

White Matter Microstructural Changes in Adolescent Patients with Anorexia Nervosa: A Longitudinal Diffusion Tensor Imaging (DTI) Study Lara Keller1, 2, Lucia Hornig3, Florian Ph.S. Fischmeister4, Andreas Karwautz5, Beate Herpertz-Dahlmann3, Jochen Seitz2, 3. 1Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital RWTH Aachen, Aachen, Germany.2Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, LVR University Hospital Essen, Essen, Germany.3Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital RWTH Aachen, Aachen, Germany.4Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria.5Eating Disorders Unit at the Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria

EFFICACY OF ADJUNCT OLANZAPINE (OLZ) TREAMENT IN ADOLESCENTS WITH ANOREXIA NERVOSA: A COMPARISON OF TWO PATIENT COHORTS Helene Krauss1, Andreas Karwautz1, Michael Zeiler1, Julia schwarzenberg1, Dunja Mairhofer1, Julia Philipp1, Gabriele SchApfbeck1, Hans Rock2, Hartmut Imgart3, Regina Taurines4, Stefanie Fekete4, Marcel Romanos4, Karin Egberts4, Manfred Gerlach4. 1KJP, Medical University of Vienna, Vienna, Austria.2CIO Marburg, Marburg, Germany.3Parklandklinik, Bad Wildungen, Germany.4KJP, UniversitAct WA¼rzburg, WA¼rzburg, Germany

PSYCHOLOGICAL

Exploring the views of study participants with eating disorders on the impact of remote measurement technology and activity trackers on food- and weight-related attitudes and behaviours Carina Kuehne1, Basak Ince1, Elizabeth Fordham1, 2, Faith Matcham3, Sara Simblett1, Katie White1, Helen Sharpe4, Ulrike Schmidt1, 5. 1King's College London, London, United Kingdom.2University College London, London, United Kingdom.3University of Sussex, Sussex, United Kingdom.4The University of Edinburgh, Edinburgh, United Kingdom.5South London and Maudsley NHS Foundation Trust, London, United Kingdom

TRAUMA

TREATING PTSD IN ANOREXIA NERVOSA: WHAT CAN BE DONE IN THE EARLY PHASE OF EATING DISORDER TREATMENT? Mirjam Lammers1, 2, Suzanne Mares1, Sonja Schreurs1. 1GGNet-Amarum, Warnsveld, Netherlands.2Radboud University, Nijmegen, Netherlands

BIOLOGICAL/RISK FACTORS

Dynamic reconfigurations of brain subnetworks in alcohol use disorder or bulimia nervosa: A resting-state functional magnetic resonance imaging study Nicolas Leenaerts1, 2, Tommy Broeders3, Jenny Ceccarini1, 4, Stefan Sunaert1, 5, Menno Schoonheim3, Christiaan Vinkers6, Elske Vrieze1, 2. 1KU Leuven, Leuven Brain Institute, Department of Neurosciences, Research Group Psychiatry, Leuven, Belgium.2Mind-Body Research, Research Group Psychiatry, Department of Neurosciences, KU Leuven, Leuven, Belgium.3MS Center Amsterdam, Anatomy a Neurosciences, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC location VUmc, Amsterdam, Netherlands.4KU Leuven, Leuven Brain Institute, Department of Nuclear Medicine and Molecular Imaging, Research Nuclear Medicine a Molecular Imaging, Leuven, Belgium.5Translational MRI, Department of Imaging and Pathology, Biomedical Sciences Group, KU Leuven, Leuven, Belgium.6Psychiatry, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC location VUmc, Amsterdam, Netherlands

TREATMENT/PREVENTION

Change in exercise attitudes and behaviors during Family-based Treatment for Adolescent Anorexia Nervosa: Results from Randomized Clinical Trial James Lock1, Daniel Le Grange2, Nandini Datta1, Brittany Matheson1, Sandra Schlegl3, Kyra Citron1. 1Stanford University, Stanford, CA, USA.2UCSF, San Francisco, CA, USA.3Med-Uni-Meunchen, Meunchen, Germany

Randomised controlled feasibility trial of cognitive training combined with real versus sham transcranial direct current stimulation to reduce food cravings in people taking antipsychotic medication: the ENTER study. Mariana Lopes1, Dina Monson1, Luiza Grycuk1, Gemma Gordon1, Fiona Gaughran2, 3, Iain / C Campbell1, Ulrike Schmidt1, 3. 1Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology a Neuroscience, Kinga, London, United Kingdom.2Department of Psychosis Studies, Institute of Psychiatry, Psychology a Neuroscience, Kinga, London, United Kingdom.3South London and Maudsley NHS Foundation Trust, Maudsley Hospital, London, United Kingdom

DEVELOPMENTAL

CROSS-SECTIONAL AND LONGITUDINAL ASSOCIATIONS OF PARENTAL BINGE EATING WITH CHILD BINGE EATING AND WEIGHT-CONTROL BEHAVIORS Janet Lydecker1, Zhijun Zhang2, Nicole Larson 3, Katie Loth3, Melanie Wall2, Dianne Neumark-Sztainer3. 1Yale University, New Haven, CT, USA.2Columbia University, New York, NY, USA.3University of Minnesota, Minneapolis, MN, USA

TREATMENT/PREVENTION

A pilot study on the effects of an add-on psychomotor body-image protocol during cbt-e in female patients with an eating disorder Suzanne H.W. Mares1, Marjon Voskamp1, Elke Wezenberg1, Annemarie A. van Elburg1, 2. 1GGNet Amarum, Warnsveld, Netherlands.2Utrecht University, Utrecht, Netherlands

ASSESSMENT/CLASSIFICATION

Understanding food addiction in adolescents: association with eating behaviors and psychometric properties of the dYFAS-C 2.0 Ana Matos1, Silvia FAclix1, Carol Coelho1, Eva ConceiAsApo2, BAirbara Machado3, SA³nia GonAsalves1. 1Escola de Psicologia, Universidade do Minho, Braga, Portugal.2Escola de Psicologia, Universidade do Minho, Braga, Portugal.3Escola de Psicologia, Universidade do Minho, Braga, Portugal.4Faculdade de Psicologia e CiAoncias das EducaAsApo, Universidade do Porto, Porto, Portugal.5Universidade CatA³lica Portuguesa, Porto, Portugal.6Escola de Psicologia, Braga, Portugal

PSYCHOLOGICAL

Self-harm before and six months after obesity surgery Astrid MA¼ller, Tobias A. Thomas, Katja Tilk, Katharina Klassen, Melanie Pommnitz, Martina de Zwaan. Hannover Medical School, Hanover, Germany

ASSOCIATIONS BETWEEN BODY IMAGE, SOCIOCULTURAL INFLUENCES AND DISORDERED EATING IN COLOMBIAN ADOLESCENTS Moises Mebarak1, Fabienne Andres2, Lynda G. Boothroyd2, Tracey Thornborrow3, David R. Kolar4, Elizabeth H. Evans2, Laura S. Fontalvo AcuApa1, Juan Camilo Tovar Castro5. 1Department of Psychology, Universidad del Norte, Barranquilla, Columbia.2Department of Psychology, Durham University, Durham, United Kingdom.3School of Psychology, University of Lincoln, Lincoln, United Kingdom.4Department of Psychology, University of Regensburg, Regensburg, Germany.5Department of Psychology, Universidad de los Andes, BogotAi, Columbia

EPIDEMIOLOGY

Epidemiology and Correlates of Eating Disorders in Southern Africa: a systematic review Bernou Melisse1, Jojanneke M Bijsterbosch2, Lot C Sternheim2. 1American Center for Psychiatry and Neurology, Abu Dhabi, United Arab Emirates.2Dep. Clinical Psychology Utrecht University, Utrecht, Netherlands

MISCELLANEOUS

Protocol for Co-Designing a Clinical Research Registry for a Youth Eating Disorders Service Stephanie Miles1, 2, Erica Neill1, 2, Kamryn T. Eddy3, 4, Genevieve Pepin5, Shannon Calvert6, Kathleen de Boer7, Caroline Gao1, 2, 8, Dominic Dwyer1, 2, Andrea Phillipou1, 2, 9, 10, 7. 1Orygen, Melbourne, Australia.2The University of Melbourne, Melbourne, Australia.3Massachusetts General Hospital, Boston, MA, USA.4Harvard Medical School, Boston, MA, USA.5Deakin University, Melbourne, Australia.6N/A, Perth, Australia.7Swinburne University, Melbourne, Australia.8Monash University, Melbourne, Australia.9St Vincent's Hospital, Melbourne, Australia.10Austin Hospital, Melbourne, Australia

ASSESSMENT/CLASSIFICATION

Further validation of the Multifaceted Instrument for Body Image Disturbance (MI-BoD) among athletes Deborah Mitchison1, Katarina Prnjak1, Scott Fatt2, Emma George2, Nikki Jeacocke3, Phillipa Hay2. 1Graduate School of Health, Discipline of Clinical Psychology, University of Technology Sydney, Sydney, Australia.2Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia.3Australian Institute of Sport, Canberra, Australia

EPIDEMIOLOGY

Eating Disorders in Indigenous Populations Across the Globe Deborah Mitchison1, Ann Ragnhild Broderstad2, Adam Burt3, Kirsti KvalAcy2, 4, 5. 1Graduate School of Health, Discipline of Clinical Psychology, University of Technology Sydney, Sydney, Australia.2Centre for Sami Health Research, Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, TromsAc, Norway.3School of Medicine, Western Sydney University, Sydney, Australia.4HUNT Research Centre, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway.5Levanger Hospital, Nord-TrAcndelag Hospital Trust, Levanger, Norway

TREATMENT/PREVENTION

Nutritional Considerations for Gender-Diverse People: A Qualitative Mini Review Em J.E. Mittertreiner1, Abbey Hunter2, Emilie Lacroix1. 1Department of Psychology, University of New Brunswick, Fredericton, NB, Canada.2Department of Education, St. Thomas University, Fredericton, NB, Canada

BIOLOGICAL/RISK FACTORS

Alexithymia and interpersonal stress: an experimental study in individuals with Eating Disorders Alessio Maria Monteleone1, Eugenia Barone1, Marco Carfagno1, Giammarco Cascino2. 1University of Campania L. Vanvitelli, Naples, Italy.2University of Salerno, Salerno, Italy

PSYCHOLOGICAL

Family functioning in adolescents with anorexia nervosa: a network analysis perspective Alessio Maria Monteleone1, Eugenia Barone1, Marco Carfagno1, Chiara Marchetto2, Valeria Zanna2. 1University of Campania L. Vanvitelli, Naples, Italy.2Bambino GesA¹ Children' Hospital IRCCS, Rome, Italy

Associations between the use of fitness and diet tracking technology and disordered eating behaviour: A systematic review. Sarah Moody1, Lindsay Ross1, Marie-Christine Opitz1, Amelia Hemmings2, Basak Ince2, Callum Bryson2, Carina Kuehne2, Daire Douglas2, Matthew Phillips2, Ulrike Schmidt2, 3, Helen Sharpe1. 1University of Edinburgh, Edinburgh, United Kingdom.2King's College London, London, United Kingdom.3South London and Maudsley NHS Foundation Trust, London, United Kingdom

TREATMENT/PREVENTION

Evaluation of digital cognitive behavioral therapy for eating disorders in South Korea: A randomized controlled trial Daa Un Moon1, 2, Jung-Hyun Lee3, 4, Youn Joo Song3, 4, Kyung Ran Kim4, Min Jae Kang4, Soo-Hee Choi5, 6, Joongsuk Lee6, Yujin Lee1, Youngin Kim1, Young-Chul Jung4, 7, 8. 1WELT Corp. Ltd, Seoul, South Korea.2Department of Psychiatry and Neurosciences, CCM, CharitAc UniversitActsmedizin Berlin, Corporate Member of Freie UniversitAct and Humboldt-UniversitAct zu Berlin, Berlin, Germany.3Yonsei L Eating Disorder Clinic, Seoul, South Korea.4Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, South Korea.5Department of Psychiatry, Seoul National University College of Medicine and Institute of Human Behavioral Medicine, SNU-MRC, Seoul, South Korea.6Department of Psychiatry, Seoul National University Hospital, Seoul, Seoul, South Korea.7Institute of Innovation in Digital Healthcare, Seoul, South Korea.8Department of Psychiatry, Yonsei University College of Medicine, Seoul, South Korea

ASSESSMENT/CLASSIFICATION

ASSOCIATIONS BETWEEN GENERAL PSYCHOPATHOLOGY AND BINGE EATING EPISODES IN THE GENERAL POPULATION OF RIO DE JANEIRO Carlos E. Moraes1, 3, Jose C. Appolinario1, Rosely Sichieri2, Phillipa Hay3. 1Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.22. Social Medicine Institute, State University of Rio de Janeiro, Rio de Janeiro, Brazil.33. Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia

TREATMENT/PREVENTION

Piloting “Help for Overcoming Problem Eating” (HOPE): A Single Session Intervention for College Students with Probable Binge-Spectrum Eating Disorders Sonakshi Negi, Kelsie T. Forbush . University of Kansas, Lawrence, KS, USA

PSYCHOLOGICAL

Lived Experience Participation in the Research Process Erica Neill1, 2, Rosiel Elwyn3, Grace Fountas4, Inge Gnatt4, Zoe Jenkins4, Amy Malcolm4, 5, Stephanie Miles1, 2, Selma Music4, Tamara Simpson4, Caitlin Yolland4, Andrea Phillipou1, 2. 1Orygen, Melbourne, Australia.2University of Melbourne, Melbourne, Australia.3University of the Sunshine Coast, Sunshine Coast, Australia.4Swinburne University of Technology, Melbourne, Australia.5La Trobe University, Melbourne, Australia

TREATMENT/PREVENTION

Exploring Specialist Care Content as a Self-Help Intervention for Mild and Subthreshold Anorexia Nervosa in the Primary Care Setting: A Feasibility and Pilot Study Utilising the MANTRA Workbook Alexandra Neilson, Zara Godinovich, Marion Roberts. Faculty of Medical a Health Sciences, University of Auckland, Auckland, New Zealand

A mixed methods systematic review of eating disorder treatment outcomes for autistic people with an eating disorder Emy Nimbley1, Helen Sharpe1, Ellen Maloney1, Karri Gillespie-Smith1, Kate Tchanturia2, Fiona Duffy1. 1University of Edinburgh, Edinburgh, United Kingdom.2King's College London, London, United Kingdom

Decreases in dysfunctional exercise predicted reduction in eating disorder symptom severity during and after treatment in a transdiagnostic sample of adolescents with eating disorders. Madeline Palermo, Roxanne Rockwell, Walter H. Kaye, Christina E. Wierenga. University of California San Diego, San Diego, CA, USA

DEVELOPMENTAL

Longitudinal Associations between Weight-Based Discrimination and Mental Health in Youth Arielle T. Pearlman, Mikela A. Murphy, Sorana Raiciulescu, David A. Klein, Joshua C. Gray, Natasha A. Schvey. Uniformed Services University of the Health Sciences, Bethesda, MD, USA

EPIDEMIOLOGY

Who is included in studies of night eating syndrome? A scoping review of reported participant characteristics. Taylor Penwell1, Sarah Attaway1, Isabella Pruscino2, Ava Hogan2, Ruth Striegel Weissman2, Caitlin Martin-Wagar1. 1University of Montana, Helena, MT, USA.2Wesleyan University, Middletown, CT, USA

TREATMENT/PREVENTION

High-definition transcranial direct current stimulation of the inferior parietal lobe in anorexia nervosa: Feasibility, acceptability and preliminary evidence of efficacy Andrea Phillipou1, 2, 3, 4, 5, Melissa Kirkovski6, Erica Neill1, 2, Susan Rossell5, Caroline Gurvich7, Larry Abel8, David Castle9, Stephanie Miles1, 2, 5. 1Orygen, Melbourne, Australia.2The University of Melbourne, Melbourne, Australia.3St Vincent's Hospital, Melbourne, Australia.4Austin Hospital, Melbourne, Australia.5Swinburne University, Melbourne, Australia.6Victoria University, Melbourne, Australia.7Monash University, Melbourne, Australia.8Deakin University, Waurn Ponds, Australia.9University of Tasmania, Hobart, Australia

Donepezil: a possible treatment for anorexia nervosa Leora Pinhas1, Salah El Mestikawy2, Nicolas Pietrancosta3, Philibert Duriez4, Stephanie Dumas3, Mathieu Favier5. 1PHLIP Mental Health Clinic, Toronto, ON, Canada.2McGill University, Montreal, QC, Canada.3Sorbonne UniversitAc, Paris, France.4GHU Paris Neuropsychiatrie, Paris, France.5McGill University, Montreal, QC, Canada

PSYCHOLOGICAL

NEUROPHYSIOLOGICAL CORRELATES OF INTEROCEPTION AND EMOTION REGULATION: IMPLICATIONS FOR EATING PSYCHOPATHOLOGY IN A PORTUGUESE COLLEGE SAMPLE TAcnia Rodrigues1, Ricardo Silva2, Lucero Mingua3, Carol Coelho1, Rita Ramos1, Fernando Fernandez3, Paulo Machado1. 1University of Minho, School of Psychology, Braga, Portugal.2University of Minho, School of Engeneering, GuimarApes, Portugal.3University Hospital of Bellvitge, Barcelona, Spain

INTEROCEPTIVE AWARENESS, DIFFICULTIES IN EMOTION REGULATION, AND EATING PSYCHOPATHOLOGY: FINDINGS FROM A NETWORK ANALYSIS IN A COLLEGE SAMPLE TAcnia Rodrigues1, Ricardo Silva2, Fernando FernAindez3, Paulo Machado1. 1University of Minho, School of Psychology, Braga, Portugal.2University of Minho, School of Engineering, GuimarApes, Portugal.3University Hospital of Bellvitge-ICS, Barcelona, Spain

COMORBIDITY

Neuroanatomical Associations with Autistic Characteristics in those with Acute Anorexia Nervosa (AAN) and Weight Restored (WR) Individuals Michelle Sader1, 2, Daniel J. Halls3, Jess Kerr-Gaffney2, 3, Gordon D. Waiter1, 2, Karri Gillespie-Smith2, 4, Fiona Duffy2, 4, 5, Kate Tchanturia2, 3. 1School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, United Kingdom.2Eating Disorders and Autism Collaborative (EDAC), University of Edinburgh, Edinburgh, United Kingdom.3Department of Psychological Medicine, King's College London, London, United Kingdom.4School of Health in Social Science, University of Edinburgh, Edinburgh, United Kingdom.5NHS Lothian Child and Adolescent Mental Health Services, Royal Edinburgh Hospital, Edinburgh, United Kingdom

TREATMENT/PREVENTION

Combining digital cognitive-behavioral therapy with mindfulness training in the treatment of eating disorders Margaret Sala1, Corey Roos2, Hedy Kober2, Jonathan Bricker3, 4, Casey Stern1, Joshua Plutchik1, 5, Maya John2, Angela Haeny2, Jonathan Feldman1, 6, Mihaela Aslan7, 8, Jennifer Hay9, Evan Forman10. 1Ferkauf Graduate School of Psychology, Yeshiva University, Bronx, NY, USA.2Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA.3Division of Public Health Sciences, Fred Hutchinson Cancer Center, Seattle, WA, USA.4Department of Psychology, University of Washington, Seattle, Seattle, WA, USA.5Gallatin School of Individualized Study, New York University, New York, NY, USA.6Division of General Academic Pediatrics, Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA.7Cooperative Studies Program Clinical Epidemiology Research Center (CSP-CERC), VA Connecticut Healthcare System, West Haven, CT, USA.8Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA.9Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA.10Department of Psychological and Brain Sciences, Center for Weight, Eating, and Lifestyle Science, Drexel University, Philadelphia, PA, USA

PSYCHOLOGICAL

Response to Acute Exercise Differentially Relates to Real-World Exercise Behavior and Cognitions for Individuals with vs. without Eating Disorders Katherine Schaumberg1, Mahathi Gavuji1, Lauren Pictor1, Agatha Laboe1, Sasha Gorrell2. 1University of Wisconsin, Madison, WI, USA.2University of California - San Francisco, San Francisco, CA, USA

MEDICAL FACTORS

KETOGENIC DIET AND KETAMINE INFUSION TREATMENT TO TARGET CHRONIC PERSISTENT EATING DISORDER PSYCHOPATHOLOGY IN ANOREXIA NERVOSA; A PILOT STUDY B Scolnick1, L Calabrese2, B Zupek-Kania3, C Beckwith4, G Frank5. 1Internal a Addiction Medicine, Waban, MA, USA.2Innovative Psychiatry, So Windsor, CT, USA.3Ketogenic Therapy, Milwaukee, WI, USA.4Peer Counseling, New York, NY, USA.5University California San Diego, San Diego, CA, USA

ASSESSMENT/CLASSIFICATION

Follow-up study of children and adolescents with avoidant/restrictive food intake disorder compared with anorexia nervosa Eduardo Serrano-Troncoso1, 2, Laura CaApas-Vinader1, 2, Carolina Palma-Sevillano2. 1Hospital Sant Joan de DAcu, Barcelona, Spain.2Universidad Ramon Llull, Barcelona, Spain

PSYCHOLOGICAL

Subjective binge episodes and sensation seeking predict an increase in the urge to vomit in women with purging disorder Holly K Spinner, Pamela K Keel. Department of Psychology, Florida State University, Tallahassee, FL, USA

ASSESSMENT/CLASSIFICATION

Inconsistencies in the Eating Attitudes Test-26 (EAT-26): Findings from new Israeli Studies Daniel Stein1, 2, Zohar Spivak-Lavi 3, Ora Peleg3, Orna Tzischinsky3, Yael Latzer4, 5. 1Pediatric Psychiatry Division, Safra Children's Hospital Sheba Medical Center, Tel Hashomer, Israel.2Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.3Max Stern Yezreel Valley College, Yezreel Valley, Israel.4School of Social Work, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel.5Rambam Medical Center, Eating Disorders Institution, Haifa, Israel

TREATMENT/PREVENTION

Efficacy and safety of atypical antipsychotic treatment in children with avoidant/restrictive food intake disorder Daniel Stein1, 2, Mariela Mosheva1, 2, Nimrod Herz Palmor3, Shani Arad Rubinshtein11, Yaffa Serur1, 2, Doron Gothelf1, 2. 1Child Psychiatry Division, The Edmond and Lily Safra Childrena, Tel Hashomer, Israel.2Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.3Research Center for Internet Psychology, Reichman University, Herzliya, Israel

A Randomized Trial of two Group-Delivered Transdiagnostic Eating Disorder Treatments: Dissonance-based Treatment versus Interpersonal Psychotherapy Eric Stice1, Paul Rohde2, Sonja Yokum2, Jeff M. Gau2, Carah Bohon1, Heather Shaw1. 1Stanford University, Stanford, CA, USA.2Oregon Research Institute, Springfield, OR, USA

TRAUMA

Investigating eating symptoms in the LGBTQIA+ population: Do discrimination and adverse conditions matter? Silvia Tempia Valenta1, Fabio Porru2, Anna Bornioli3, Diana De Ronchi1, Atti Anna Rita1. 1Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.2Department of Public Health, Erasmus MC, Rotterdam, Netherlands.3Environmental Psychology Research Group, University of Surrey, Guildford, United Kingdom

TREATMENT/PREVENTION

Evidence for feasibility of implementing online brief cognitive-behavioral therapy for eating disorder pathology in the workplace. Carla T. Toro1, Agatha Payne1, Tabitha Jackson1, Sean Russell3, Guy Daly4, Glenn Waller2, Caroline Meyer1. 1University of Warwick, Coventry, United Kingdom.2University of Sheffield, Sheffield, United Kingdom.3University of Coventry, Coventry, United Kingdom.4The British University in Egypt, Cairo, Egypt

DEVELOPMENTAL

LINKS BETWEEN CHILDHOOD FOOD INSECURITY AND ADOLESCENT EATING DISORDER SYMPTOMS IN A UK COHORT STUDY Nora Trompeter1, Marie-Christine Opitz2, F. Diego Rabelo-da-Ponte3, Helen Sharpe2, Sylvane Desrivieres 3, Ulrike Schmidt3, Nadia Micali1, 4. 1Great Ormond Street Institute of Child Health, UCL, London, United Kingdom.2Department of Clinical Psychology, School of Health in Social Sciences, University of Edinburgh, Edinburgh, United Kingdom.3Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.4Center for Eating and feeding Disorders Research, Mental Health Center Ballerup, Copenhagen University Hospital a, Copenhagen, Denmark

PSYCHOLOGICAL

The Mediating Role of Alexithymia in the Relationship between Eating Disorder Pathology and Negative Affect Among Mexican Patients Eva Trujillo-ChiVacuan1, 2, Bertha Winterman1, Elsie Trujillo1, Shantal Anid Cortes1, 2, Abril Ortega1, 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

COMORBIDITY

Self-regulation profiles in addictive behaviors among adolescents: A transdiagnostic approach Eva Van Malderen1, Lien Goossens1, Laurence Claes2, 3, Tom F. Wilderjans2, 4, 5, 6, Eva Kemps7, Sandra Verbeken1. 1Ghent University, Department of Developmental, Personality and Social Psychology, Ghent, Belgium.2KU Leuven, Faculty of Psychology and Educational Sciences, Leuven, Belgium.3University of Antwerp, Faculty of Medicine and Health Sciences, Antwerp, Belgium.4Leiden University, Faculty of Social and Behavioral Sciences, Leiden, Netherlands.5Vrije Universiteit Amsterdam, Faculty of Behavioural and Movement Sciences, Amsterdam, Netherlands.6Leids Universitair Medisch Centrum, Institute for Brain and Cognition, Leiden, Netherlands.7Flinders University, School of Psychology, Adelaide, Australia

MISCELLANEOUS

It’s not Black and White: Examining Drive for Thinness and Bulimia in Women from Two Academic Institutions Harmony F. Vides-Varini, Sarrah I. Ali, Pamela K. Keel. Florida State University, Tallahassee, FL, USA

PSYCHOLOGICAL

The effects of the social media movements "Fitspiration", "Body Positivity" and "Body Neutrality" on state body image and affect in females with versus without eating disorders Silja Vocks, Julia Tanck, Hannah L. Quittkat, Gritt Ladwig. University of Osnabrueck, Department of Clinical Psychology and Psychotherapy, Osnabrueck, Germany

TREATMENT/PREVENTION

HIGH-CALORIE REFEEDING OF ANOREXIA NERVOSA INPATIENTS WITH DANGEROUSLY LOW BODY WEIGHT Ulrich Voderholzer1, 2, 4, Juliane Silbernagl1, Verena Haas3, Thorsten Koerner2, Norbert Quadflieg1. 1University Hospital, Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University (LMU), Munich, Germany, Munich, Germany.2SchApn Clinic Roseneck affiliated with the Medical Faculty of the University of Munich (LMU), Prien, Germany, Prien am Chiemsee, Germany.3Department of Child and Adolescent Psychiatry, Campus Virchow Klinikum, CharitAc-UniversitActsmedizin Berlin, Germany, Berlin, Germany.4Department of Psychiatry and Psychotherapy, University Hospital of Freiburg, Germany, Freiburg, Germany

Improving body functionality appreciation in adolescents with an eating disorder Stella Weiland1, Jessica M. Alleva 2, Klaske A. Glashouwer 1, 3. 1Department of Clinical Psychology and Experimental Psychopathology, University of Groningen, Groningen, Netherlands.2Department of Clinical Psychological Science, Maastricht University, Maastricht, Netherlands.3Department of Eating Disorders, Accare Child and Adolescent Psychiatry, Groningen, Netherlands

PSYCHOLOGICAL

ARE THERE DIFFERENCES IN ATTENTION BIAS FOR FOOD, BODY AND GENERAL THREATENING STIMULI IN PATIENTS WITH ANOREXIA NERVOSA COMPARED TO HEALTHY VOLUNTEERS? HOW IS ATTENTION BIAS RELATED TO ANXIETY, EMOTION REGULATION AND EATING DISORDER PATHOLOGY? Elke Wezenberg1, 2, Suzanne Mares1, 3, Mike Rinck2. 1GGNet, Amarum, Zutphen, Netherlands.2Radboud University Nijmegen, Behavioural Science Institute, Nijmegen, Netherlands.3University Utrecht, Utrecht, Netherlands