Conference Program

Advances in personalized and precision mental health care Jaime Delgadillo. University of Sheffield

10:45

Addressing key questions to move towards inclusion of exercise in eating disorder care that is sustainable, adaptive, and personalized Sasha Gorrell. University of California, San Francisco

11:00

Exercise moderates longitudinal group psychopathology networks in women with eating disorders David Kolar. University of Regensburg

11:15

Understanding acute exercise response among girls and young women with and without eating disorders Katherine Schaumberg. University of Wisconsin, Madison

11:30

Anorexia nervosa and muscle health Lauren Breithaupt1, 2. 1Massachusetts General Hospital .2Harvard Medical School

11:45

Subtypes of Maladaptive Exercise are Differentially Associated with Baseline Eating Disorder Pathology & Treatment Outcomes Elizabeth Lampe. Drexel University

12:00

Discussion/Q&A .

1:45

Effects of enhanced cognitive behavioral therapy on depressive symptoms in patients with anorexia nervosa and bulimia nervosa: a one-year follow-up study Giovanni Castellini, Emanuele Cassioli, Eleonora Rossi, Livio Tarchi, Marco Faldi, Valdo Ricca. Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy

2:00

"EVERYONE WAS DOING IT": HOW AND WHY EMERGING ADULTS BEGAN AND CONTINUE TO USE WEIGHT-RELATED SELF-MONITORING TECHNOLOGIES Samantha L. Hahn1, C. Blair Burnette2, 3, Katie A. Loth2, Dianne Neumark-Sztainer2. 1Central Michigan University College of Medicine, Mount Pleasant, MI, USA.2University of Minnesota, Minneapolis, MN, USA.3Michigan State University, East Lansing, MI, USA

2:15

Who responds to an adaptive intervention for adolescents with anorexia nervosa being treated with family-based treatment? Outcomes from a randomized clinical trial James Lock1, Daniel LeGrange2, Cara Bohn1, Brittany Matheson1, Booil Jo1. 1Stanford Universitiy, Stanford, CA, USA.2UCSF, San Francisco, CA, USA

2:30

EXI(ea)T - Initial evidence for modified cue exposure treatment in adolescents with binge eating. Tanja Legenbauer1, Inken Kirschbaum-Lesch1, Jasmina Eskic2, Laura Derks1, Florian Hammerle2, Hanna Preuss van Viersen2. 1LWL University Hospital Hamm of the Ruhr University Bochum, Clinic for Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, Hamm, Germany.2Mainz University Medical Center of the Johannes Gutenberg University, Clinic and Polyclinic for Child and Adolescent Psychiatry and Psychotherapy, Mainz, Germany

2:45

NEURAL MECHANISMS UNDERLYING SYMPTOM REDUCTION FOLLOWING LISDEXAMFETAMINE TREATMENT IN BINGE EATING DISORDER Kristi R Griffiths1, 2, Isabella A Breukelaar2, 3, Grace Harvie2, Jenny Yang2, Sheryl Foster2, 4, Anthony W. Harris2, 5, Simon Clarke6, 7, Phillipa Hay8, 9, Stephen Touyz1, 10, Mayuresh S Korgaonkar2, Michael R Kohn2, 6, 7. 1InsideOut Institute, Sydney, Australia.2Westmead Institute for Medical Research, Sydney, Australia.3School of Psychology, University of New South Wales, Sydney, Australia.4Department of Radiology, Westmead Hospital, Sydney, Australia.5Speciality of Psychiatry, University of Sydney, Sydney, Australia.6Centre for Research into Adolescents' Health, Sydney, Australia.7Adolescent and Young Adult Medicine, Westmead Hospital, Sydney, Australia.8Translational Health Research Institute, Western Sydney University, Sydney, Australia.9Mental Health Services, Camden and Campbelltown Hospital, Sydney, Australia.10Clinical Psychology Unit, University of Sydney, Sydney, Australia

3:00

TEN-SESSION COGNITIVE BEHAVIOURAL THERAPY (CBT-T) IN A COMMUNITY EATING DISORDERS CLINIC IS HIGHLY EFFECTIVE FOR NON-UNDERWEIGHT EATING DISORDERS BUT LESS SO FOR ATYPICAL ANOREXIA NERVOSA Claire L Reynolds1, Bronwyn C Raykos1, David M Erceg-Hurn1, Peter M McEvoy1, 2. 1Centre for Clinical Interventions, Perth, Australia.2Curtin University, Perth, Australia

3:15

Pre-admission Food Exposure and Trait Anxiety Impact Reductions in Food-Related Anxiety during Treatment for Patients with Eating Disorders Colleen C. Schreyer, Irina A. Vanzhula, Angela S. Guarda. Johns Hopkins University School of Medicine, Baltimore, MD, USA

3:30

EFFECTIVENESS OF A MOBILE APP FOR TEENS WITH AND AT HIGH RISK FOR EATING DISORDERS: A RANDOMIZED CONTROLLED TRIAL Ellen E. Fitzsimmons-Craft1, Patricia Cavazos-Rehg1, Erin Kasson1, Hannah S. Szlyk1, Xiao Li1, Daphne Lew1, C. Barr Taylor2, 3, Denise E. Wilfley1. 1Washington University School of Medicine, St. Louis, MO, USA.2Stanford University, Stanford, CA, USA.3Palo Ato University, Palo Alto, CA, USA

1:45

THE IMPORTANCE OF FOOD CHOICE IN LONG TERM OUTCOMES IN ANOREXIA NERVOSA Joanna E. STEINGLASS1, 2, Wenbo Fei2, Karin Foerde3, Caitlin Lloyd1, 2, Evelyn Attia1, 2, Yuanjia Wang2, B. Timothy Walsh1, 2. 1New York State Psych Inst, New York, NY, USA.2Columbia University, New York, NY, USA.3University of Amsterdam, Amsterdam, Netherlands

2:15

The Association between parental Authority Style and Eating Disorders Symptomatology in adolescent Females with Anorexia Nervosa Daniel Stein1, 3, Dan Farstein-Goshen1, Dor Goshen2, Adi Enoch-Levy1, Tali Bretler4, 5, Neta Yoeli4, 5. 1Sheba Medical Center, Tel Hashomer, Israel.2University of Haifa, Haifa, Israel.3University of Tel Aviv, Tel Aviv, Israel.4Ziv Medical Center, Zfat, Israel.5Bar Ilan University, Ramat Gan, Israel

2:30

Development of Body Image and Disordered Eating: Differentiating Pathological Versus Normative Trajectories Emilie Lacroix1, Kristin M. von Ranson2. 1University of New Brunswick, Fredericton, NB, Canada.2University of Calgary, Calgary, AB, Canada

2:45

PERCEIVED BARRIERS TO EVIDENCE-BASED PSYCHOLOGICAL INTERVENTION UPTAKE: THE PATIENT'S POINT OF VIEW Kristin M. von Ranson, Leah Tobin, Meghan Muller. Psychology Department, Calgary, AB, Canada

3:00

NEUROPSYCHOLOGICAL PROFILE AND PSYCHIATRIC MORBIDITIES IN CHILDREN AT HIGH RISK OF DEVELOPING ANOREXIA NERVOSA Karin Dahlin1, Kajsa Jarvholm3, Jovanna Dahlgren2, Elisabet Wentz1. 1Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.2Department of Pediatrics, University of Gothenburg, Gothenburg, Sweden.3Department of Psychology, Lund University, Lund, Sweden

3:15

An Examination of State and Trait Urgency in Individuals with Binge-Eating DIsorders Joseph A. Wonderlich1, Glen Forester1, Ross D. Crosby1, 2, Scott E. Engel1, Scott J. Crow3, 4, Carol B. Peterson3, Stephen A. Wonderlich1. 1Sanford Center for Biobehavioral Research, Sanford Research, Fargo, ND, USA.2University of North Dakota School of Medicine and Health Science, Department of Psychiatry and Behavioral Science, Fargo, ND, USA.3University of Minnesota, Department of Psychiatry and Behavioral Science, Minneapolis, MN, USA.4Accanto Health, St. Paul, MN, USA

3:30

INTERSECTIONAL PREVALENCE OF EATING DISORDER BEHAVIORS BASED ON GENDER IDENTITY AND RACE AMONG A SAMPLE OF SEXUAL AND GENDER MINORITY YOUTH Lauren N. Forrest1, Ayla N. Gioia2, Brooke L. Bennett3, Rebecca Puhl3, Ryan J. Watson3. 1Pennsylvania State University College of Medicine, Hershey, PA, USA.2Hofstra University, Hempstead, NY, USA.3University of Connecticut, Storrs, CT, USA

2:00

A NETWORK ANALYSIS OF EATING DISORDER, PTSD, MAJOR DEPRESSION, STATE-TRAIT ANXIETY AND QUALITY OF LIFE MEASURES IN EATING DISORDER PATIENTS TREATED IN RESIDENTIAL CARE Timothy D Brewerton1, 2, Maren C G Kopland3, 4, Ismael Gavidia2, Giulia Suro2, Molly M Perlman2, 5. 1Department of Psychiatry a Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA.2Monte Nido a Affiliates, Miami, FL, USA.3Modum Bad Psychiatric Hospital, Vikersund, Norway.4Department of Psychology, University of Oslo, Oslo, Norway.5Department of Psychiatry and Behavioral Health, Florida International University Herbert Wertheim College of Medicine, Miami, FL, USA

4:00

A BIOMARKER FOR ANOREXIA NERVOSA: IMPLICATIONS FOR PREVENTION, EARLY INTERVENTION & NEUROBIOLOGICALLY-TARGETED TREATMENT Andrea Phillipou1, 2, 3, 4, 5, Amy Malcolm5, Scarlett Croce5, Susan L Rossell5, Caroline Gurvich6, David J Castle 7, Larry A Abel8. 1The University of Melbourne, Melbourne, Australia.2Orygen, Melbourne, Australia.3St Vincent's Hospital, Melbourne, Australia.4Austin Hospital, Melbourne, Australia.5Swinburne University, Melbourne, Australia.6Monash University, Melbourne, Australia.7University of Tasmania, Hobart, Australia.8Deakin University, Waurn Ponds, Australia

4:15

DISTINCT TOPOLOGICAL PROPERTIES OF FUNCTIONAL REWARD SYSTEM IN CHILDHOOD BINGE EATING Elizabeth Martin1, 2, Meng Cao2, Kurt Schulz1, Hildebrandt Tom1, Sysko Robyn1, Laura Berner1, Xiaobo Li2. 1Icahn School of Medicine at Mount Sinai, New York, NY, USA.2New Jersey Institute of Technology, Newark, NJ, USA

4:30

NEW BIOLOGICAL FINDINGS SUPPORT A DEVELOPMENTAL MEASURE OVER THE TRADITIONAL MEASURE OF WEIGHT SUPPRESSION IN BULIMIA NERVOSA J. Ingrid Friedman1, Simar Singh1, Michael Rosenbaum2, Laurel Mayer3, Michael R. Lowe1. 1Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA.2Department of Pediatrics and Medicine, Columbia University Irving Medical Center, New York, NY, USA.3Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA

4:45

Subcortical networks underlying the processing of negative beliefs related to the self, food, and body image Trevor Steward, Eva Guerrero-Hreins, Ben Harrison, Kim Felmingham, Holly Carey, Matthew Greaves, Priya Sumithran, Robyn Brown, Po-Han Kung. University of Melbourne, Faculty of Medicine, Dentistry and Health Sciences, Parkville, Australia

5:00

SENSORY SENSITIVITY AMONG YOUNG CHILDREN WITH AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER: A PHYSIOLOGY STUDY Christine E. Cooper-Vince1, Annie Sautebin1, Nadia Micali2. 1University of Geneva, Geneva, Switzerland.2Psychiatric Center Ballerup, Ballerup, Denmark

5:15

GREY MATTER DIFFERENCES AS BRAIN MARKERS OF EATING DISORDERS: A FAMILIAL HIGH-RISK STUDY Edoardo Pappaianni1, Bianca Borsarini1, 2, Cristina Berchio2, Stefana Aicoboaie1, Stefania Valentini Konstantopoulou2, Nadia Micali1, 2, 3. 1Center for Eating and feeding Disorders Research (CEDaR), Psychiatric Center Ballerup, Mental Health Services of the Capital Region of Denmark, Copenhagen, Denmark.2Department of Psychiatry, Faculty of Medicine, University of Geneva, Geneva, Switzerland.3Great Ormond Street Institute of Child Health, University College London, London, United Kingdom

5:30

ROLE OF CXC CHEMOKINE FAMILY IN MODERATING THE BMI-GRAY MATTER RELATIONSHIP WITHIN MEDIAL ORBITOFRONTAL AND MIDDLE TEMPORAL REGIONS IN ADOLESCENTS WITH ANOREXIA NERVOSA AND HEALTHY CONTROLS Chunni Ji1, 2, Felicia Petterway2, 3, Amanda Lyall4, 5, Elana Kotler5, Anastasia Haidar5, Franziska Plessow3, 4, Kendra R. Becker2, 4, Marek Kubicki4, 5, Youngjung R. Kim4, 6, Jennifer J. Thomas2, 4, Kamryn T. Eddy2, 4, Elizabeth A. Lawson3, 4, Madhusmita Misra3, 4, 7, Laura Holsen1, 4, Lauren Breithaupt2, 4, 5. 1Division of Women, Boston, MA, USA.2Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA.3Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.4Harvard Medical School, Boston, MA, USA.5Psychiatry Neuroimaging Laboratory, Brigham and Women, Boston, MA, USA.6Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.7Division of Pediatric Endocrinology, Massachusetts General Hospital, Boston, MA, USA

5:45

ALTERED REINFORCEMENT LEARNING FROM REWARD AND PUNISHMENT IN WOMEN REMITTED FROM ANOREXIA NERVOSA: EVIDENCE FROM COMPUTATIONAL MODELING Christina E Wierenga1, Amanda Bischoff-Grethe1, Carina S Brown2, Walter H Kaye1, Gregory G Brown1. 1Department of Psychiatry, University of California San Diego, San Diego, CA, USA.2San Diego State University/University of California San Diego Joint Doctoral Program in Clinical Psychology, San Diego, CA, USA

4:00

THE NATURAL COURSE OF BINGE-EATING DISORDER: FINDINGS FROM A PROSPECTIVE, COMMUNITY-BASED STUDY OF ADULTS Kristin N. Javaras1, 2, Victoria F. Franco1, Boyu Ren1, 2, Cynthia M. Bulik3, 4, 5, Scott J. Crow6, 7, Susan L. McElroy8, 9, Harrison G. Pope, Jr.1, 2, James I. Hudson1, 2. 1McLean Hospital, Belmont, MA, USA.2Department of Psychiatry, Harvard Medical School, Boston, MA, USA.3Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.4Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.5Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.6Department of Psychiatry, University of Minnesota, Minneapolis, MN, USA.7Accanto Health, Saint Paul, MN, USA.8Lindner Center of HOPE, Mason, OH, USA.9University of Cincinnati College of Medicine, Cincinnati, OH, USA

4:15

Person-specific and Pooled Prediction Models for Binge eating, Alcohol Use and Binge Drinking in Bulimia Nervosa and Alcohol Use Disorder: An Experience Sampling Method Study. Nicolas Leenaerts1, Peter Soyster2, Jenny Ceccarini3, Stefan Sunaert4, Aaron Fisher2, Elske Vrieze1. 1Mind-body Research, Biomedical Sciences Group, KU Leuven, Leuven, Belgium.2Idiographic Dynamics Lab, Department of Psychology, University of California, Berkeley, CA, USA.3Department of Nuclear Medicine and Molecular Imaging, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.4Department of Radiology, University Hospitals Leuven a Department of Imaging and Pathology, KU Leuven, Leuven, Belgium

4:30

LONGITUDINAL ASSOCIATIONS BETWEEN MINORITY STRESSORS AND EATING PATHOLOGY SYMPTOMS IN A DIVERSE SAMPLE OF SEXUAL MINORITY ADULTS Tiffany A. Brown1, Eli Gebhardt1, Kristin Denmark1, Marley Billman1, Dominic M. Denning2. 1Auburn University, Auburn, AL, USA.2University of Massachusetts Amherst, Amherst, MA, USA

4:45

BODY SIZE ESTIMATION IN ADOLESCENT ANOREXIA NERVOSA. EARLY PERCEPTIVE PROCESSES CAPTURED BY MAGNETO- AND ELECTROENCEPHALOGRAPHY Ida Wessing1, 2, Hugo Romero Frausto1, Markus Junghofer2. 1Department of Child and Adolescent Psychiatry, University Hospital Munster, Munster, Germany.2Institute for Biomagnetism and Biosignalanalysis, University Hospital Munster, Munster, Germany

5:00

OVERLAPPING ARFID AND WEIGHT/SHAPE MOTIVATIONS FOR DIETARY RESTRICTION IN A TRANSDIAGNOSTIC SAMPLE OF FEEDING AND EATING DISORDERS: A LATENT PROFILE ANALYSIS Sophie R. Abber1, Kendra R. Becker2, 3, Casey M. Stern2, Lauren Breithaupt2, 3, P. Evelyna Kambanis2, 3, Kamryn T. Eddy2, 3, Helen Burton Murray2, 3, 4, Jennifer J. Thomas2, 3. 1Department of Psychology, Florida State University, Tallahassee, FL, USA.2Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.3Harvard Medical School, Boston, MA, USA.4Center for Neurointestinal Health, Massachusetts General Hospital, Boston, MA, USA

5:15

UNDERSTANDING THE IMPACT OF THE COVID-19 PANDEMIC ON YOUTH AND FAMILIES LIVING WITH EATING DISORDERS: A QUALITATIVE STUDY Maria Nicula1, 2, 3, Cheryl Webb3, 4, Laura A Grennan3, Drew G Clause-Walford3, Sadaf Sami3, Jennifer L Couturier2, 3, 4. 1PhD Student, McMaster University, Hamilton, ON, Canada.2Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada.3Department of Psychiatry a Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada.4Pediatric Eating Disorders Program, McMaster Children, Hamilton, ON, Canada

5:30

THE INFLUENCE OF EMOTION REGULATION ON INHIBITORY CONTROL IN PEOPLE WITH EATING DISORDERS Unna N. Danner1, 2, Alexandra E. Dingemans3, Catharine Evers4. 1Altrecht Eating Disorders Rintveld, Zeist, Netherlands.2Department of Clinical Psychology, Utrecht University, Utrecht, Netherlands.3Rivierduinen Eating Disorders Ursula, Leiden, Netherlands.4Department of Social, Health a Organizational Psychology, Utrecht University, Utrecht, Netherlands

5:45

Network models of eating disorder and posttraumatic stress disorder symptoms in two national samples of U.S. veterans Karen S. Mitchell1, 2, Kelsey N. Serier1, 2, Brian N. Smith1, 2, Shannon Kehle-Forbes1, 3, 4, Dawne S. Vogt1, 2, Rachel Zelkowitz1, 2. 1National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA.2Boston University, Boston, MA, USA.3VA Minneapolis Healthcare, Minneapolis, MN, USA.4University of Minnesota, Minneapolis, MN, USA

ASSESSMENT/CLASSIFICATION

101

ASSESSING SENSITIVITY TO CHANGE OF THE YOUTH NINE-ITEM AVOIDANT/RESTRICTIVE FOOD INTAKE SCREEN (Y-NIAS) Marley G. Billman Miller1, Jamal H. Essayli1, 2, Susan E. Lane-Loney1, 2, Hana F. Zickgraf3. 1Penn State College of Medicine, Department of Pediatrics, Hershey, PA, USA.2Penn State College of Medicine, Department of Psychiatry and Behavioral Health, Hershey, PA, USA.3Emory University School of Medicine, Department of Pediatrics, Atlanta, GA, USA

103

DIMENSIONAL INVESTIGATION OF FOOD ADDICTION IN INDIVIDUALS WHO HAVE UNDERGONE BARIATRIC SURGERY Ligia Florio1, Joao Mauricio Castaldelli-Maia 2. 1versity of Sao Paulo Medical School, Sao Paulo, Brazil.2versity of Sao Paulo Medical School, Sao Paulo, Brazil

105

RELIABILITY AND VALIDITY OF THE PICA, ARFID, AND RUMINATION DISORDER INTERVIEW (PARDI) IN ADULTS Haley Graver1, Iman McPherson2, Chunni Ji2, Casey Stern1, Julia Gydus2, Regine Boutin2, Sarah Smith2, Helen Burton-Murray1, 3, 4, 5, Nadia Micali6, 7, 8, Rachel Bryant-Waugh9, Lauren Breithaupt1, 5, Laura Holsen3, 10, Elizabeth Lawson2, 3, Kamryn T Eddy1, 5, Kendra R Becker1, 5, Jennifer J Thomas1, 5. 1Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.2Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.3Department of Medicine, Harvard Medical School, Boston, MA, USA.4Center for Neurointestinal Health, Division of Gastroenterology, Massachusetts General Hospital, Boston, MA, USA.5Department of Psychiatry, Harvard Medical School, Boston, MA, USA.6Department of Psychiatry, University of Geneva, Geneva, Switzerland.7Department of Pediatrics Gynecology and Obstetrics, University of Geneva Geneva, Switzerland.8GOSH Institute of Child Health, University College London, London, United Kingdom.9South London and Maudsley NHS Foundation Trust, London, United Kingdom.10Division of Women, Boston, MA, USA

107

DEVELOPMENT AND VALIDATION OF A NOVEL MEASURE OF EMOTIONAL EATING Madison A. Hooper1, Urvashi Dixit2, Erica Ahlich2, Hana F. Zickgraf3. 1Vanderbilt University, Department of Psychology, Nashville, TN, USA.2University of South Alabama, Department of Psychology, Mobile, AL, USA.3Emory University, Department of Psychology, Atlanta, GA, USA

109

USING NETWORK ANALYSIS TO EXAMINE EATING DISORDER SYMPTOMS AMONG THE MILITARY Shruti S Kinkel-Ram1, William Grunewald2, April R Smith2. 1Miami University, Oxford, OH, USA.2Auburn University, Auburn, AL, USA

111

DIFFERENCES IN THE FACTOR STRUCTURE OF THE EATING ATTITUDE TEST-26 (EAT-26) AMONG CLINICAL VS. NON-CLINICAL ISRAELI ADOLESCENT FEMALES. Yael Latzer1, 2, Daniel Stein3, 4, Zohar Spivak-Lavi 5, Ora Peleg5, Orna Tzischinsky5. 1University of Haifa, Haifa, Israel.2Rambam, Medical Center, Haifa, Israel.3Tel Aviv University, Tel-Aviv, Israel.4Sheba Medical Center, Ramat-Gan, Israel.5Yezreel Valley College, Yezreel Valley, Israel

113

Compensatory Eating Disorder and "Full Threshold" DSM Eating Disorders: A Comparison of Eating-Disorder-Related Psychiatric Impairment and Symptomatology Sonakshi Negi, Marianna L. Thomeczek , Yiyang Chen , Kelsie T. Forbush . Department of Psychology, University of Kansas, Lawrence, KS, USA

115

BASE RATES FOR LOW DELIS KAPLAN EXECUTIVE FUNCTION SYSTEM SCORES IN A SAMPLE OF ADOLESCENTS WITH ANOREXIA NERVOSA Jiana Schnabel1, 2, Lauren B. Alloy1, Sara Karley2, Moniher Deb2, C. Alix Timko2, 3. 1Department of Psychology and Neuroscience, Temple University, Philadelphia, PA, USA.2Department of Child and Adolescent Psychiatry and Behavioral Sciences, Children, Philadelphia, PA, USA.3The University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA

117

EXPLORING THE LONGITUDINAL EFFECTS OF COVID19-RELATED STRESSORS ON TEENS WITH ANOREXIA NERVOSA Joanna E Steinglass1, 2, Daniel H. Vaccaro1, Elizabeth Raffanello3, Zhijun Zhang1, 2, Yuanjia Wang1, 2, Jonathan Posner3. 1Columbia University Irving Medical Center, New York, NY, USA.2New York State Psychiatric Institute, New York, NY, USA.3Duke University, Durham, NC, USA

119

PSYCHOMETRIC PROPERTIES OF THE BODY RATING SCALES: ACTUAL-IDEAL DISCREPANCY AS AN INDEX OF BODY DISSATISFACTION Kristin M. von Ranson1, Chantelle A. Magel1, Sylia Wilson2, William G. Iacono3, Matt McGue3. 1Psychology Department, Calgary, AB, Canada.2Institute of Child Development, Minneapolis, MN, USA.3Psychology Department, Minneapolis, MN, USA

BIOLOGICAL/RISK FACTORS

121

SIGNIFICANT ASSOCIATIONS BETWEEN PUBERTAL TIMING AND DISORDERED EATING IN BLACK AND LATINX GIRLS USING RACE/ETHNICITY SPECIFIC NORMS Carolina Anaya, S. Alexandra Burt, Kelly L. Klump. Michigan State University, East Lansing, MI, USA

123

Negative affect alters the computations underlying food choice in bulimia nervosa Laura A. Berner1, Blair R. K. Shevlin1, Loren Gianini2, Joanna E. Steinglass2, Karin Foerde2, 3, Caitlin Lloyd2, Kelsey Hagan4. 1Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.2Department of Psychiatry, Columbia University Medical Center/New York State Psychiatric Institute, New York, NY, USA.3Faculty of Social and Behavioural Sciences, University of Amsterdam, Amsterdam, Netherlands.4Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA

125

ANOREXIA NERVOSA/ATYPICAL ANOREXIA NERVOSA DIAGNOSIS MODERATES THE RELATIONSHIP BETWEEN MALADAPTIVE EXERCISE HOURS AND WHITE MATTER VOLUME Elana Kotler1, Lauren Breithaupt2, Amanda Lyall1, Anastasia Haidar1, Franziska Plessow3, Adrienne Romer4, Poornima Kumar4, Kendra Becker2, Felicia Petterway3, Lauren Lindman3, Jason Scott4, Meghan Slattery4, Jennifer Thomas3, Diego Pizzagalli4, Madhusmita Misra4, 5, Kamryn Eddy2. 1Psychiatry Neuroimaging Laboratory, Department of Psychiatry, Brigham and Women's Hospital, Boston, MA, USA.2Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.3Neuroendocrine Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.4Center for Depression, Anxiety, and Stress Research, Department of Psychiatry, McLean Hospital and Harvard Medical School, Boston, MA, USA.5Division of Pediatric Endocrinology, Massachusetts General Hospital for Children and Harvard Medical School, Boston, MA, USA

127

Higher Baseline Insomnia Symptoms Predict Higher Binge Eating Symptoms After Treatment in Non-Low Weight Eating Disorders Kara A. Christensen Pacella1, Yiyang Chen2, Kelsie T. Forbush2. 1University of Nevada Las Vegas, Las Vegas, NV, USA.2University of Kansas, Lawrence, KS, USA

129

Assessing the Role of Interoception in Treatment Outcomes for Low-Weight Youth with Avoidant Restrictive Food Intake Disorder (ARFID): A Novel Exploration Nandini Datta, Eliza M. Van Wye, Brittany Matheson , James D. Lock. Stanford University School of Medicine, Stanford, CA, USA

131

LIFETIME FOOD INSECURITY: EXPLORING EFFECTS ON EATING DISORDER SEVERITY AND HEDONIC HUNGER Brighid L. Fitzpatrick1, 2, Stephanie M. Manasse1, 3, Adrienne S. Juarascio1, 3. 1WELL Center, Drexel University, Philadelphia, PA, USA.2Department of Psychological Sciences, University of Connecticut, Storrs, CT, USA.3Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA

133

TRAIT ANXIETY IS ASSOCIATED WITH MOTIVATIONAL SALIENCE RESPONSE IN BRAIN REGIONS THAT PROCESS BODY PERCEPTION Siri Weider1, Megan E. Shott2, Guido K.W. Frank2. 1Norwegian University of Science and Technology, Trondheim, Torgarden, Norway.2University of California San Diego, San Diego, CA, USA

135

BODY DISSATISFACTION AND ACCULTURATIVE STRESS ON DISORDERED EATING BEHAVIORS ACROSS RACIAL AND ETHNIC GROUPS Taryn Henning1, Suzanne Mazzeo1, Marisol Perez2. 1Virginia Commonwealth University, Richmond, VA, USA.2Arizona State University, Tempe, AZ, USA

137

THE RELATIONSHIP BETWEEN EARLY PUBERTY AND DISORDERED EATING: RESULTS FROM A NATIONAL SURVEY OF ISRAELI YOUTH Sharon Iron-Segev1, 2, Chen Namimi-Halevi1, Chen Dor1, Rita Dichtiar1, Aliza Hannah Stark1, Lital Keinan-Boker1, 3, Tali Sinai1, 2. 1Israel Center for Disease Control, Israel Ministry of Health, Ramat Gan, Israel.2School of Nutritional Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel.3The Faculty of Social Welfare and Health Sciences, University of Haifa, Hifa, Israel

139

INCREASED PREVALENCE OF PARKINSONS DISEASE IN FAMILIES OF INDIVIDUALS WITH EATING DISORDERS MAY HELP IDENTIFY NEURAL CIRCUITS CONTRIBUTING TO EATING DISORDERS Walter H Kaye1, Angeline Krueger1, Susan Murray1, Andrew Bergen2. 1UCSD, San Diego, CA, USA.2Oregon Research Institue, Springfield, OR, USA

141

ASSOCIATIONS BETWEEN LONGITUDINAL WEIGHT GAIN AND APPETITE HORMONES IN ANOREXIA NERVOSA Y. Rachel Kim1, Meghan Slattery2, Jennifer J. Thomas3, Lauren Breithaupt3, Meghan S. Lauze2, Kendra R. Becker3, Franziska Plessow2, Maurizio Fava4, Roy H. Perlis1, Kamryn T. Eddy3, Elizabeth A. Lawson2, Madhusmita Misra5. 1Department of Psychiatry, Center for Quantitative Health, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.2Department of Medicine, Neuroendocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.3Department of Psychiatry, Eating Disorders Clinical and Research Program, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.4Department of Psychiatry, Clinical Trials Network and Institute, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.5Department of Pediatrics, Division of Pediatric Endocrinology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA

143

Changing food preferences in Anorexia Nervosa Alexandra F Muratore1, 2, Akram Bakkour3, Eileen Hartnett4, Karin Foerde5, Blair Uniacke1, 2, Tom Schonberg6, B. Timothy Walsh1, 2, Joanna Steinglass1, 2, Daphna Shohamy4. 1Columbia University Irving Medical Center, New York, NY, USA.2New York State Psychiatric Institute, New York, NY, USA.3University of Chicago, Chicago, IL, USA.4Columbia University, New York, NY, USA.5University of Amsterdam, Amsterdam, Netherlands.6Tel Aviv University, Tel Aviv, Israel

145

NEURAL SUBSTRATES OF EMOTION AND EATING DYSREGULATION IN BULIMIA NERVOSA Jessica L. Qiu1, Raisa Alam1, Michael R. Lowe2, Laura A. Berner1. 1Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.2Department of Psychology, Drexel University, Philadelphia, PA, USA

147

EXAMINATION OF THE ASSOCIATIONS AMONG DISTINCT SHAPE AND WEIGHT CONCERNS AND ADIPOSITY AND MUSCULARITY BODY DISSATISFACTION IN LONDON FASHION MODELS Christina Ralph-Nearman1, Madison Hooper1, 2, Anna Pepper1, 3, Ruth Filik4. 1Department of Psychological a Brain Sciences, University of Louisville, Louisville, KY, USA.2Department of Psychology, Vanderbilt University, Nashville, TN, USA.3Barnard College of Columbia University, New York, NY, USA.4School of Psychology, University of Nottingham, Nottingham, United Kingdom

149

LOWER BODY MASS INDEX IS ASSOCIATED WITH HIGHER NEURAL ACTIVATION OF THE POSTERIOR INSULA DURING A TASK REQUIRING COGNITIVE FLEXIBILITY IN YOUNG WOMEN WITH EATING DISORDERS CHARACTERIZED BY DIETARY RESTRICTION AND/OR EXCESSIVE EXERCISE Adrienne L. Romer1, Franziska Plessow2, Poornima Kumar1, Felicia Petterway2, Lauren Lindman2, Jason Scott1, Meghan Slattery2, Lauren Breithaupt3, Jennifer J. Thomas3, Diego A. Pizzagalli1, Madhusmita Misra2, 4, Kamryn T. Eddy3. 1Center for Depression, Anxiety, and Stress Research, Department of Psychiatry, McLean Hospital and Harvard Medical School, Belmont, MA, USA.2Neuroendocrine Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.3Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.4Division of Pediatric Endocrinology, Mass General Hospital for Children and Harvard Medical School, Boston, MA, USA

151

INFLAMMATION-LINKED GUT-ASSOCIATED LYMPHATIC TISSUE IN FOOD RESTRICTED RATS DECREASES WITH REFEEDING AND PROBIOTIC SUPPLEMENTS Jochen Seitz1, Larissa Kaefer2, Clara Voelz2, Beate Herpertz-Dahlmann1, Cordian Beyer2, Stefanie Trinh2. 1Child and Adolescent Psychiatry, RWTH University Hospital, Aachen, Germany.2Institute for Neuroanatomy, RWTH University Hospital, Aachen, Germany

153

NOVEL DEVELOPMENTS IN WEIGHT SUPPRESSION MEASUREMENT AND VALIDITY: ASSOCIATIONS ACROSS BIOPSYCHOLOGICAL OUTCOMES Simar Singh1, 2, Michael R. Lowe2. 1Department of Psychiatry, University of California, San Francisco, San Francisco, CA, USA.2Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA

COMORBIDITY

155

THE TREATMENT OF DISSOCIATIVE IDENTITY DISORDER IN AN EATING DISORDER RESIDENTIAL TREATMENT SETTING Timothy D Brewerton1, 2, Molly M Perlman2, 3, Ismael Gavidia2, Giulia Suro2. 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

157

EFFECTS OF THE COVID-19 PANDEMIC ON COMORBIDITY CLUSTERS OF MENTAL DISORDERS IN ADOLESCENTS A NETWORK ANALYSIS Laura M. Derks, Charlotte M.K. Milewczyk, Martin Holtmann, Tanja Legenbauer. LWL-University Hospital Hamm for Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, Ruhr-University Bochum, Hamm, Germany

159

ROLE OF REWARD RESPONSIVITY AND HABIT FORMATION IN THE CO-OCCURRENCE OF RESTRICTIVE EATING AND NONSUICIDAL SELF-INJURY Soo-Eun Lee1, Avantika Kapadia2, Jesse Dzombak3, Ann F. Haynos1. 1Virginia Commonwealth University, Richmond, VA, USA.2University of Louisville, Louisville, KY, USA.3Uniformed Services University, Bethesda, MD, USA

161

AUTISM SPECTRUM TRAITS IN ADULTS WITH AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER Iman McPherson1, Kendra R. Becker2, 4, Haley Graver2, Chunni Ji5, Casey M. Stern2, Julia Gydus1, Regine Boutin1, Sarah E. Smith1, Nouchine Hadjikhani7, 8, Kamryn T. Eddy2, 4, Madhusmita Misra3, 6, Laura Holsen3, 5, Elizabeth A. Lawson1, 3, Jennifer J. Thomas2, 4. 1Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.2Eating Disorders Clinical and Research Program, Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.3Department of Medicine, Harvard Medical School, Boston, MA, USA.4Department of Psychiatry, Harvard Medical School, Boston, MA, USA.5Division of Women, Boston, MA, USA.6Division of Pediatric Endocrinology, Massachusetts General Hospital, Boston, MA, USA.7Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, Sahlgrenska Academy, Gothenburg, Sweden.8Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Harvard Medical School, Boston, MA, USA

163

INTEGRATED TREATMENT FOR COMORBID EATING DISORDERS AND SUBSTANCE USE DISORDERS: A SCOPING REVIEW Molly L Miller1, Abbey E Hunter1, Sara Bartel2, Leah Boulos3, Emilie Lacroix1. 1University of New Brunswick, Fredericton, NB, Canada.2Nova Scotia Health, Digby, NS, Canada.3Maritime SPOR Support Unit, Halifax, NS, Canada

165

EATING BEHAVIORS OF AUTISTIC WOMEN WITH AN EATING DISORDER Sabrina Schroder1, 2, Unna Danner1, 2, Annelies Spek3, Annemarie van Elburg1, 2. 1Altrecht Eating Disorders Rintveld, Zeist, Netherlands.2Department of Clinical Psychology, Utrecht University, Utrecht, Netherlands.3Autism Expertise Center, Eemnes, Netherlands

DEVELOPMENTAL

167

"IT WASNT RECOGNIZED AS AN EATING DISORDER. I WAS JUST A VERY GOOD DIETER": PATIENT PERSPECTIVES ON THE ROLE OF DIETING IN EATING DISORDER DEVELOPMENT AND PERSISTENCE Erin Harrop1, Sarah Sullivan1, Janell Mensinger2. 1University of Denver, Denver, CO, USA.2Nova Southeastern University, Fort Lauderdale-Davie, FL, USA

EPIDEMIOLOGY

169

Use and misuse of emergency room by patients with Eating Disorders Giovanni Castellini1, Emanuele Cassioli1, Eleonora Rossi1, Stefano Lucarelli2, Valdo Ricca1, Saverio Caini3. 1Psychiatry Unit, Department of Health Sciences, University of Florence, Florence, Italy, Firenze, Italy.2UFS Eating Disorders ASL Toscana Centro, Florence, Italy, Firenze, Italy.3Clinical Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy, Firenze, Italy

171

COMPULSIVE EXERCISE: LONGITUDINAL AND CROSS-SECTIONAL ASSOCIATIONS WITH DISORDERED EATING BEHAVIORS AND MUSCLE-ENHANCING SUBSTANCE USE IN A POPULATION-BASED SAMPLE OF ADOLESCENTS AND YOUNG ADULTS Laura Hooper1, Lauren Bastian1, Vivienne M Hazzard1, Samantha L Hahn2, Marla E Eisenberg1, Dianne Neumark-Sztainer1. 1University of Minnesota, Minneapolis, MN, USA.2Central Michigan University, Mount Pleasant, MI, USA

173

A LONGITUDINAL INVESTIGATION OF MALADAPTIVE EXERCISE BEHAVIORS IN ADOLESCENTS WITH RESTRICTIVE EATING DISORDERS Agatha A Laboe, Lauren Pictor, Maxwell Frank, Katherine Schaumberg. University of Wisconsin-Madison, Madison, WI, USA

175

DEVIATION FROM EXPECTED BODY MASS INDEX IS ASSOCIATED WITH EATING DISORDER BEHAVIORS IN YOUTH Katherine Schaumberg1, Michael R Lowe2, Fengqing Zhang2, Nadia Micali3. 1University of Wisconsin, Madison, WI, USA.2Drexel University, Philadelphia, PA, USA.3Psychiatric Center Ballerup, Copenhagen, Denmark

GENETICS

177

Genome-wide association studiesof childhood fussy eatingand avoidant restrictive food intake disorder (ARFID) Lisa Dinkler1, Mohamed Abdulkadir2, Moritz Herle3, Rosa Mulder4, Holl Harris4, Pauline Jansen4, Baiyu Qi5, Melissa Munn-Chernoff5, Laura M Thornton5, Emily Pisetsky5, Jessica Johnson5, Matt Halvorsen6, James Crowley6, Afrouz Abbaspour1, Nadia Micali7, Cynthia M Bulik1, 5. 1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.2National Centre for Register-based Research, Aarhus Business and Social Sciences, Aarhus University, Aarhus, Denmark.3Social, Genetic a Developmental Psychiatry Centre, Institute of Psychiatry, Psychology a Neuroscience, King, London, United Kingdom.4Department of Child and Adolescent Psychiatry/Psychology, Erasmus University Medical Center, Rotterdam, Netherlands.5Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.6Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.7Center for Eating and Feeding Disorders Research, Mental Health Services in the Capital Region of Denmark, Eating Disorders Research Unit, Psychiatric Centre Ballerup, Copenhagen, Denmark

MEDICAL FACTORS

179

WEIGHT LOSS AS A PREDICTOR OF HOSPITAL ADMISSION IN ADOLESCENT TYPICAL (AN) AND ATYPICAL ANOREXIA NERVOSA (AAN) Cliona R Brennan1, 2, Sarah Illingworth2, Erica Cini3, 4, 5, Dee Bhakta2. 1Maudsley Centre for Child and Adolescent Eating Disorders, South London and Maudsley NHS Trust, London, United Kingdom.2London Metropolitan University, London, United Kingdom.3East London NHS Foundation Trust, London, United Kingdom.4Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom.5University College London, London, United Kingdom

MISCELLANEOUS

181

EXAMINING THE IMPACT OF THE COVID-19 PANDEMIC ON EATING PATHOLOGY AND RELATED VARIABLES AMONG WOMEN WITH BULIMIC SYNDROMES AND CONTROLS Sarrah I. Ali, Naomi Hill, Jenna Horowitz, J. Woody Luxama, Austin Starkey, Pamela K. Keel. Florida State University, Tallahassee, FL, USA

183

Latent Profiles of Children and Adolescents Sedentary Behavior: Are Patterns of Sedentary Behavior Associated with Momentary Affect and Dietary Intake? Danielle A. N. Chapa1, Brant Hasler1, Alissa Haedt-Matt2, Christopher E. Kline1, Andrea Goldschmidt1. 1University of Pittsburgh, Pittsburgh, PA, USA.2Illinois Institute of Technology, Chicago, IL, USA

185

Region-Specific Reduced Gray Matter Volume in Low-Weight Females with Anorexia Nervosa and Atypical Anorexia Nervosa Anastasia Haidar1, 3, Elana B. Kotler1, 2, Chunni Ji2, 3, Kendra Becker1, 2, Franziska Plessow1, 2, Jennifer J. Thomas2, Laura M. Holsen1, 3, Madhusmita Misra1, 2, Kamryn T. Eddy1, 2, Elizabeth A. Lawson1, 2, Lauren E. Breithaupt Langston1, 2, 3, Amanda E. Lyall1, 2, 3. 1Harvard Medical School, Boston, MA, USA.2Massachusetts General Hospital, Boston, MA, USA.3Brigham and Women's Hospital, Boston, MA, USA

187

MEDICAL AND NURSING STUDENTS MOTIVES AND INTENTIONS TO DISCUSS WEIGHT, BODY IMAGE, AND EATING DISORDERS WITH THEIR PATIENTS Charlotte H. Markey1, Kristin J. August1, Dua Malik1, Meghan M. Gillen2, Diane L. Rosenbaum2. 1Rutgers University, Camden, NJ, USA.2Pennsylvania State University, Abington, PA, USA

189

PASSIVE SENSING OF SOCIAL PROCESSES IN ADOLESCENTS WITH AN EATING DISORDER Lisa Ranzenhofer1, 2, Esha Trivedi1, Ivieosa Aimufua1, Serena Gu1, Joanna Steinglass1, 2, Randy Auerbach1, 2. 1New York State Psychiatric Institute, New York, NY, USA.2Columbia University Irving Medical Center, New York, NY, USA

191

CHARACTERIZING SEXUAL AND GENDER IDENTITY DEVELOPMENT IN ADOLESCENT-ONSET ANOREXIA NERVOSA Blair Uniacke1, 2, Jessica Ojeda2, Jonathan Posner3, Walter Bockting1, Joanna Steinglass1, 2. 1Columbia University Irving Medical Center, New York, NY, USA.2New York State Psychiatric Institute, New York, NY, USA.3Duke University, Durham, NC, USA

PSYCHOLOGICAL

193

The responsibility of purchasing food: a specific environmental stressor for food insecure individuals Kaoon (Francois) Ban, Shannon O'Connor. Montclair State University, Montclair, NJ, USA

195

PSYCHOLOGICAL FLEXIBILITY MODERATES THE RELATIONSHIP BETWEEN MUSCLE DYSMORPHIA SYMPTOMS AND OBLIGATORY EXERCISE IN MEN Marley G. Billman Miller, Kristin Denmark, Tiffany A. Brown. Auburn University, Auburn, AL, USA

197

EATING EXPECTANCIES AND MOTIVES INFLUENCE THE ASSOCIATIONS BETWEEN DAILY MOOD STATES AND LOSS-OF-CONTROL EATING Emily K Burr1, Robert D Dvorak1, Ardhys N De Leon1, Angelina V Leary1, Roselyn Peterson1, Lauren M Schaefer2, Stephen A Wonderlich2. 1University of Central Florida, Orlando, FL, USA.2Sanford Center for Bio-behavioral Resaerch, Fargo, ND, USA

199

Examining the role of urgency in predicting binge size in bulimia nervosa Heather A Davis1, Gregory T Smith2. 1Virginia Tech, Blacksburg, VA, USA.2University of Kentucky, Lexington, KY, USA

201

CORRELATES OF ANTICIPATORY AND CONSUMMATORY PLEASURE IN AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER Sarah C. Dolan1, P. Evelyna Kambanis2, 3, Casey M. Stern2, Kendra R. Becker2, 3, Lauren Breithaupt2, 3, 4, Julia Gydus5, Sarah Smith5, Madhusmita Misra3, 4, Nadia Micali6, 7, 8, Elizabeth Lawson3, 5, Kamryn T. Eddy2, 3, Jennifer J. Thomas2, 3. 1Hofstra University, Hempstead, NY, USA.2Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA.3Harvard Medical School, Boston, MA, USA.4Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, USA.5Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA.6Department of Psychiatry, University of Geneva, Geneva, Switzerland.7Department of Pediatrics, University of Geneva, Geneva, Switzerland.8Eating Disorders Research Unit, Mental Health Center Ballerup, Ballerup, Denmark

203

ELICITING ANXIETY ABOUT EATING IN ADOLESCENTS AND YOUNG ADULTS WITH ANOREXIA NERVOSA AND ATYPICAL ANOREXIA NERVOSA Jamal H. Essayli, Marley G. Billman Miller, Emily N. Loney, Susan E. Lane-Loney. Penn State College of Medicine, Hershey, PA, USA

205

PRELIMINARY RESULTS VALIDATING A TEST MEAL PARADIGM TO EXPERIMENTALLY MANIPULATE MEAL-RELATED FEARS K. Jean Forney, Madison Schroer, Jenny Jo, Gabriella Pucci, Christopher R. France. Ohio University, Athens, OH, USA

207

Resolving ambiguity around intolerance of uncertainty and its role in anorexia nervosa Grace Haase1, Marita Cooper1, Moniher Deb1, Julia Hormes2, Alix Timko1. 1Children's Hospital of Philadelphia, Philadelphia, PA, USA.2University at Albany, Albany, NY, USA

209

DISTRESS AND MORAL EMOTIONS ARE THE STRONGEST LONGITUDINAL PREDICTORS OF "FEELING FAT" Naomi G. Hill, Jenny H. Jo, K. Jean Forney. Department of Psychology, Ohio University, Athens, OH, USA

211

Goal-directed and Habit Learning Varies According to Illness Duration and Severity in Anorexia Nervosa Adanya D. Johnson1, Kelsey E. Hagan2, Kira G. Venables1, Nicola M. Grissom3, Ross D. Crosby4, Jazmine Camchong5, Scott J. Crow5, Ann F. Haynos1, 2. 1Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA.2Department of Psychiatry, Virginia Commonwealth University School of Medicine, Richmond, VA, USA.3Department of Psychology, University of Minnesota Twin Cities, Minneapolis, MN, USA.4Department of Psychiatry and Behavioral Science, University of North Dakota, Fargo, ND, USA.5Department of Psychiatry a Behavioral Sciences, University of Minnesota School of Medicine, Minneapolis, MN, USA

213

TEASING APART FUNCTION & MOOD: ASSESSING REASONS FOR DIETARY RESTRICTION FOR YOUNG ADULTS WITH FOOD INSECURITY USING ECOLOGICAL MOMENTARY ASSESSMENT (EMA) Yvette G. Karvay1, Vivienne M. Hazzard2, Natasha L. Burke1, Dianne Neumark-Sztainer2. 1Fordham University, The Bronx, NY, USA.2University of Minnesota, Minneapolis, MN, USA

215

APPETITIVE TRAITS AND LOSS OF CONTROL PATHOLOGY DURING EARLY PREGNANCY AMONG BIRTHING INDIVIDUALS WITH A BODY MASS INDEX ≥25 Rachel P. Kolko Conlon1, Zijing Zhang1, Christine C. Call1, Riley J. Jouppi2, Michele D. Levine1. 1Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.2Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA

217

PRENATAL LOSS OF CONTROL EATING IS COMMON AND ASSOCIATED WITH PSYCHOLOGICAL DISTRESS, EATING, SHAPE, AND WEIGHT CONCERNS Michele D. Levine, Riley J. Jouppi, Rachel P. Kolko Conlon, Christine C. Call, Zijing Zhang. University of Pittsburgh, Pittsburgh, PA, USA

219

GENERAL AND DISORDER-SPECIFIC HABIT FORMATION AND PERSISTENCE OF EATING PATHOLOGY IN WEIGHT-RESTORED ANOREXIA NERVOSA Amanda R. Makara1, Lauren M. Schaefer2, 3, Ann F. Haynos1. 1Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA.2Center for Biobehavioral Research, Sanford Research, Fargo, ND, USA.3Department of Psychiatry and Behavioral Science, University of North Dakota, Fargo, ND, USA

221

LGBTQ FOLKS HAVE EATING DISORDERS TOO: THE ROLE OF LGBTQ MINORITY STRESSORS, COMMUNITY CONNECTEDNESS, AND PRIDE ON EATING DISORDER PATHOLOGIES Leo A Miller, Sarah Fischer. George Mason University, Fairfax, VA, USA

223

COMPULSIVE EXERCISE AND THE RELATIONSHIP BETWEEN DISORDERED EATING AND DEPRESSIVE SYMPTOMS Rose E Penan1, Taylor Perry2, Drew A Anderson2. 1Blind Brook High School, Rye Brook, NY, USA.2University at Albany, Albany, NY, USA

225

SELF-REPORT REWARD ANTICIPATION AND RECEIPT IN ADOLESCENTS WITH ANOREXIA NERVOSA. Julia Pines1, Kelsey Hagan2, Monica Jablonski1, Jonathan Posner3, Joanna Steinglass1. 1Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA.2Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA.3Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA

227

DIFFERENTIAL RELATIONSHIPS BETWEEN FACETS OF GASTROINTESTINAL INTEROCEPTION AND PATTERNS OF DISORDERED EATING Kendall N Poovey, Diana Rancourt. University of South Florida, Tampa, FL, USA

229

EMOTION REGULATION IN THE DAILY LIVES OF WOMEN WITH EATING DISORDERS Sarah E Racine1, Ege Bicaker1, Alexia E Miller1, Vittoria Trolio1, Lisa Y Zhu1, Chloe White2. 1McGill University, Montreal, QC, Canada.2Simon Fraser University, Burnaby, BC, Canada

231

Examining campus climate for transgender and gender diverse students as a contextual correlate of eating disorder inequities among U.S. college students during the COVID-19 pandemic: Results from the 2020/21 Healthy Minds Study Ariel Beccia1, Vivienne Hazzard2, Natasha L Burke3, Lauren Schaefer4, Rachel F Rodgers5, 6. 1Harvard Chilren's Hospital, Boston, MA, USA.2Department of Psychiatry a Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, USA.3Fordham University, New York, NY, USA.4Sanford, Sanford Center for Biobehavioral Research, ND, USA.5Northeastern University, Boston, MA, USA.6Lapeyronie University Hospital, Montpellier, France

233

THE ASSOCIATION BETWEEN MALADAPTIVE EXERCISE AND PERFECTIONISM: A META-ANALYSIS Brooke Schleyer, Elan N. French, Eunice Y. Chen. Temple University, Department of Psychology and Neuroscience, Philadelphia, PA, USA

235

LIFE MEANING AND FEELINGS OF INEFFECTIVENESS AS TRANSDIAGNOSTIC FACTORS IN EATING DISORDER AND COMORBID INTERNALIZING PSYCHOPATHOLOGY - A COMBINED UNDIRECTED AND CAUSAL NETWORK APPROACH Franziska Schutzeichel1, Lourens J Waldorp2, Marije aan het Rot1, Klaske A Glashouwer1, 3, Mirjam I Frey1, Reinout W Wiers2, Peter J de Jong1. 1University of Groningen, Groningen, Netherlands.2University of Amsterdam, Amsterdam, Netherlands.3Accare Child and Adolescent Psychiatry, Groningen, Netherlands

237

VALIDATION OF THE DISGUST CONDITIONING MODEL USING A 2-STATE HIDDEN MARKOV MODEL Elena Silverman1, Allison Boyar1, Elizabeth Martin1, Kurt Schulz1, Emmeke Aarts2, Jessica Bibeau 1, Tom Hildebrandt1. 1Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA.2Department of Methodology and Statistics, Utrecht University, Utrecht, USA

239

Love, Hate, and Control in Adolescent Girls with Eating Disorders Daniel Stein1, 2, Mariana Sokolov1, Adi Enoch-Levy1, Lily Rothschild-Yakar3, Rachel Levy-Siyiff4. 1Sheba Medical Center, Tel Hashomer, Israel.2Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.3Faculty of Psychology, Haifa University, Haifa, Israel.4Psychology Department, The College of Law and Business, Ramat Gan, Israel

241

GENERALIZATION OF FOOD AVOIDANCE IN ANOREXIA NERVOSA: AN EXPERIMENTAL PARADIGM Caroline E Touzeau1, Joseph A Wonderlich2, Maya Dalack3, Hillary Minkoff4, Daphna Shohamy1, Nathaniel D Daw5, Joanna E Steinglass1, Karin Foerde1, 6. 1Columbia University Irving Medical Center, New York, NY, USA.2Sanford Health, Fargo, ND, USA.3Rutgers University, New Brunswick, NJ, USA.4Pace University, New York, NY, USA.5Princeton University, Princeton, NJ, USA.6University of Amsterdam, Amsterdam, Netherlands

243

ASSOCIATIONS BETWEEN PARENTAL CRITICISM AND DISORDERED EATING BEHAVIORS IN ADOLESCENTS WITH OVERWEIGHT AND OBESITY WITH OR WITHOUT LOSS OF CONTROL: AN ECOLOGICAL MOMENTARY ASSESSMENT STUDY Claire Trainor1, 2, Tyler Mason3, Adrienne S Juarascio1, 2, Stephanie M Manasse1, 2. 1Center for Weight, Eating, and Lifestyle Sciences (WELL Center), Philadelphia, PA, USA.2Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA.3University of Southern California, Los Angeles, CA, USA

245

THE ROLE OF DAILY LIFE STRESS ON THE DURATION AND SEVERITY OF EATING DISORDERS IN ADULTS Benny Van der Vijgh1, Jeanine E. Bauer2, U. Danner1, 2. 1Altrecht Rintveld, Zeist, Netherlands.2Utrecht University, Utrecht, Netherlands

247

WEIGHT STIGMA AMONG HEALTHCARE PROFESSIONALS AND ITS EFFECTS ON MISDIAGNOSIS OF EATING DISORDERS Natalia Garcia, D. Catherine Walker. Union College, Schenectady, NY, USA

249

UNDERLYING PROCESSES OF ALEXITHYMIA IN PATIENS WITH ANOREXIA NERVOSA, RECOVERED PATIENTS AND HEALTHY CONTROLS: HOW IS THE PHYSIOLOGICAL RESPONSE TO EMOTIONAL STIMULI VERSUS THE SELF-ASSESMENT IN THESE GROUPS? Elke Wezenberg1, 2, Femke Clark1, Mike Rinck2, Suzanne Mares1, Maartje Vroling1. 1GGNet, Amarum, Warnsveld, Netherlands.2Radboud University Nijmegen, Behavioral Science Institute, Nijmegen, Netherlands

251

UNDERGRADUATES HIGH IN PERFECTIONISM MAY BE AT RISK FOR EATING DISORDER BEHAVIORS WHEN USING WEIGHT-RELATED SELF-MONITORING APPS Emily C. Woodworth1, C. Blair Burnette2, Samantha L. Hahn3. 1Center for Health Outcomes and Interdisciplinary Research, Massachusetts General Hospital, Boston, MA, USA.2Division of Epidemiology a Community Health, University of Minnesota, Minneapolis, MN, USA.3College of Medicine, Central Michigan University, Mount Pleasant, MI, USA

TRAUMA

253

ROLE OF EMOTION DYSREGULATION AS A MEDIATOR OF THE EFFECT OF CHILDHOOD TRAUMATIC EXPERIENCES ON ENHANCED COGNTIVE BEHAVIORAL THERAPY Giovanni Castellini1, Emanuele Cassioli1, Eleonora Rossi1, Vivienne Hazzard2, 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

255

The effect of childhood sexual abuse on perceived lack of central coherence in patients with anorexia nervosa: a retrospective cohort study Sebastien Guillaume1, 2, Maude Seneque1, Jonathan Dubois2, Rachel Rodgers1, 3, Philippe Courtet1, 2, Rami Bou Khalil2, 4. 1Department of Psychiatric Emergency and Acute Care, CHRU, Montpellier France.2UMR CNRS 5203, INSERM U1191, Institute of Functional Genomics, University of Montpellier, Montpellier, France.3APPEAR, Department of Applied Psychology, Northeastern University, Boston, MA, USA.4aint Joseph University-Hotel Dieu de France Hospital, Department of Psychiatry, Beirut, Lebanon

TREATMENT/PREVENTION

257

UNDERSTANDING EXPERIENCES AND PERSPECTIVES OF PRIMARY CARE PROVIDERS ON USING SCREENING, BRIEF, INTERVENTION, AND REFERRAL TO TREATMENT FOR EATING DISORDERS (SBIRT-ED) FOR PATIENTS Sarah M. Godoy1, Hannah Wolfe1, Abigail Mueller3, Jaspreet Bhutani1, Leslie McClellan3, Ramine Alexander3, Rachel W. Goode1, 2, 3, Christine Peat2, 3. 1School of Social Work, UNC-Chapel Hill, Chapel Hill, NC, USA.2Department of Psychiatry, UNC-Chapel Hill, Chapel Hill, NC, USA.3Nutrition Research Institute, UNC-Chapel Hill, Kannapolis, NC, USA.4National Center of Excellence for Eating Disorders, UNC-Chapel Hill, Chapel Hill, NC, USA

259

EVENING-SHIFTED LOSS OF CONTROL EATING SEVERITY DAMPENED FOLLOWING EATING DISORDER TREATMENT AND INTEGRATED COGNITIVE-AFFECTIVE TREATMENT MAY UNIQUELY SUSTAIN CHANGES IN LOSS OF CONTROL SEVERITY AT FOLLOW-UP Angeline R Bottera1, Elizabeth N Dougherty1, Glen Forester2, Carol B Peterson3, Ross D Crosby2, Scott G Engel2, Scott J Crow3, Jennifer E Wildes1, Stephen A Wonderlich2. 1The University of Chicago, Department of Psychiatry and Behavioral Neuroscience, Chicago, IL, USA.2Sanford Center for Biobehavioral Research, Fargo, ND, USA.3University of Minnesota Medical School, Department of Psychiatry and Behavioral Sciences, Minneapolis, MN, USA

261

REDUCTION OF BINGE EATING-RELATED SYMPTOMS AFTER A BRIEF ONLINE GROUP INTERVENTION OF DIALECTICAL BEHAVIOR THERAPY Silvia Cerolini1, Monica D'Amico1, Generosa Monda1, Andrea Zagaria1, Valentina Quirino1, Edoardo Mocini2, Lorenzo Maria Donini2, Caterina Lombardo1. 1Department of Psychology, Sapienza University of Rome, Rome, Italy.2Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy

263

What baseline variables are more likely to detect early weak response to brief guided self-help Cognitive Behavior Therapy? Eunice Y Chen1, Elan French1, 2, Shely Khaikin1, Anushka Ravishankar1, 3, Ames Sutton Hickey4, and 2023 TEDp Undergraduate Team1. 1TEDp, Psychology, Temple University, Philadelphia, PA, USA.2McLean Hospital, Klarman Eating Disorders Center, Boston, MA, USA.3Ashoka University, Sonipat, Haryana, India.4ASH lab, Psychology, Temple University, Philadelphia, PA, USA

265

Improving programme-led and focused interventions for eating disorders: an experts consensus statement a UK perspective Emily Davey, Roz Shafran, The Consortium . UCL Great Ormond Street Institute of Child Health, London, United Kingdom

267

ACCESSING THE SPACE BETWEEN: ANIMAL-ASSISTED INTERVENTIONS AND EATING DISORDERS Patricia Flaherty-Fischette1, 2, Shannon Kopp1. 1SoulPaws Recovery Project, San Francisco, CA, USA.2Bryn Mawr College Graduate School of Social Work and Social Research, Bryn Mawr, PA, USA

269

FUNCTIONAL ASSESSMENT OF DISORDERED EATING IN THE CONTEXT OF TRAUMA AND SEXUAL ASSAULT: IMPLICATIONS FOR TREATMENT Chloe L M Georgeaux-Healy1. 1University College London, London, United Kingdom.2Harvard University, Cambridge, MA, USA

271

PRELIMINARY FINDINGS FROM AN INNOVATIVE TRIAL DESIGN: RELAPSE PREVENTION AND CHANGING HABITS (REACH+) Deborah R. Glasofer1, 2, Graham Thomas3, Wang Yuanjia4, B. Timothy Walsh1, 2, Joanna Steinglass1, 2, Evelyn Attia1, 2, 5. 1New York State Psychiatric Institute, New York, NY, USA.2Columbia University Irving Medical Center, New York, NY, USA.3Warren Alpert Medical School of Brown University, Providence, RI, USA.4Mailman School of Public Health, New York, NY, USA.5Weill Cornell Medical College, White Plains, NY, USA

275

EVALUATION OF A NOVEL EATING DISORDER PREVENTION PROGRAM FOR YOUNG WOMEN WITH TYPE 1 DIABETES: A PRELIMINARY RANDOMIZED TRIAL Severina Haugvik1, Line Wisting1, 2, Christopher David Desjardins3, Laura Rubino4, Korey Hood5, 6, Heather Shaw4, Eric Stice4. 1Regional Department of Eating Disorder, Oslo University Hospital, Oslo, Norway.2Oslo Diabetes Research Center, Oslo, Norway.3Department of Statistics, Saint Michael, Burlington, VT, USA.4Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA.5Department of Pediatrics, Stanford University, Stanford, CA, USA.6Stanford Diabetes Research Center, Stanford University, Stanford, CA, USA

279

THE FEELING WITHIN: EXPLORING SUBJECTIVE UNITS OF DISTRESS IN INTEROCEPTIVE EXPOSURE TREATMENT FOR EATING DISORDERS WITHIN A NON-CLINICAL SAMPLE Madelyn G Johnson, Taylor R Perry, Kayla M Costello, Danielle E Peters, Ainara C Higgins, Kaitlyn Riley, Drew A Anderson. University at Albany, State University of New York, Albany, NY, USA

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TEMPORAL SYMPTOM DYNAMICS OF EATING DISORDERS: EXPLORATION IN INPATIENTS WITH AND WITHOUT CHILDHOOD MALTREATMENT Maren Cecilie Gunnul Kopland1, 2, KariAnne Vrabel1, 2, Rita Slof3, Asle Hoffart1, Sverre Urnes Johnson2, 1, Erik Giltay3. 1Modum Bad, Vikersund, Norway.2University of Oslo, Oslo, Norway.3Leiden University Medical Center (LUMC, Leiden, Netherlands

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EFFECTS OF GENDER AFFIRMING CARE ON DISORDERED EATING/EATING DISORDERS IN TRANSGENDER AND GENDER NONCONFORMING INDIVIDUALS: COMPLEX AND CONVERGENT FINDINGS FROM A SYSTEMATIC REVIEW Katherine Laveway1, Mikki Lilley2, Jo R. Doley2, Rachel F. Rodgers1, 3. 1APPEAR, Department of Applied Psychology, Northeastern University, Boston, MA, USA.2Institute for Health and Sport, Victoria University, Footscray, Australia.3Department of Psychiatric Emergency a Acute Care, Lapeyronie Hospital, CHRU, Montpellier, France

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CLINICAL CHARACTERISTICS, TREATMENT COURSE AND OUTCOME OF ADULTS TREATED FOR AVOIDANT/RESTRICTIVE FOOD INTAKE DISORDER (ARFID) AT A TERTIARY CARE EATING DISORDERS PROGRAM Danielle E. MacDonald1, 2, Rachel Liebman1, 2, Kathryn Trottier1, 2. 1University Health Network, Centre for Mental Health, Toronto, ON, Canada.2University of Toronto, Dept of Psychiatry, Toronto, ON, Canada

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INTEGRATIVE COGNITIVE AFFECTIVE THERAPY- PRELIMINARY DATA ON THE CLINICALLY SIGNIFICANT CHANGE Paulo PP Machado1, Tania Rodrigues1, Rita Ramos1, Sonia Goncalves1, Ross Crosby2, Stephen Wonderlich2. 1University of Minho, Braga, Portugal.2Sanford Health-Fargo/University of North Dakota, Fargo, ND, USA

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Feasibility and acceptability of multi-family online guided self-help family-based treatment (MF-GSH-FBT) Brittany Matheson, Aileen Whyte, Eliza Van Wye, James Lock. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA

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EXPLORING DISSONANCE-BASED INTERVENTIONS AND GENDER IDENTITY: IMPLICATIONS FOR EATING DISORDER RISK FACTORS Lauren E Pictor, Katherine E Schaumberg. University of Wisconsin-Madison, Madison, WI, USA

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FEASIBILITY, ACCEPTABILITY, AND USABILITY PILOT OF A PERSONALIZED, DATA-DRIVEN THERAPEUTIC FOR EATING DISORDERS Christina Ralph-Nearman1, Jesse Rae1, 2, Cheri Levinson1. 1Department of Psychological a Brain Sciences, University of Louisville, Louisville, KY, USA.2Department of Psychology, McGill University, Montreal, QC, Canada

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Parents of teens with appearance concerns: Perceived needs towards better identification and intervention Rachel F Rodgers1, 2, Anna Ciao3, Natasha Burke4, Allegra Gordon5. 11, Boston, MA, USA.22, Montpelier, France.33, Bellingham, WA, USA.44, New York, NY, USA.55, Boston, MA, USA

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PSYCHOTROPIC MEDICATION AND EDE-Q SCORE AMONG ADOLESCENTS AND YOUNG ADULTS WITH ANOREXIA NERVOSA Anna C. Schlissel1, Misha Eliasziw1, Tracy K. Richmond2, 3, Margie R. Skeer1. 1Tufts University School of Medicine, Boston, MA, USA.2Boston Children, Boston, MA, USA.3Harvard Medical School, Pediatrics Boston, MA, USA

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BASELINE CHARACTERISTICS OF MEN AND WOMEN WERE VERY SIMILAR IN A CLINICAL TRIAL FOR BINGE-SPECTRUM EATING DISORDERS Ross M Sonnenblick, Adrienne S Juarascio. Drexel University Center for Weight, Eating and Lifestyle Science, Philadelphia, PA, USA

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USING PATTERNS OF SYMPTOM CHANGE IN EATING-DISORDER BEHAVIORS AND COGNITIONS TO EVALUATE THE THEORY BEHIND BRIEF COGNITIVE-BEHAVIORAL THERAPY (CBT-T) FOR NON-UNDERWEIGHT EATING DISORDERS Alexandra Andrea1, 2, Casey M. Stern1, Haley Graver1, P. Evelyna Kambanis1, 3, Christopher Mancuso1, 3, Setareh Rossman1, 4, Lauren Breithaupt1, 5, Shirley Wang1, 6, Helen Burton Murray1, 5, Kamryn T. Eddy1, 5, Jennifer J. Thomas1, 5, Kendra R. Becker1, 5. 1Eating Disorders Clinical and Research Program, Boston, MA, USA.2Department of Psychological a Brain Sciences, Boston University, Boston, MA, USA.3Department of Pscyhology, University of Wyoming, Laramie, WY, USA.4Department of Psychology, Clark University, Worcester, MA, USA.5Harvard Medical School, Cambridge, MA, USA.6Department of Psychology, Harvard University, Cambridge, MA, USA

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TITLE: THE ROLE OF COGNITIVE AND BEHAVIORAL FLEXIBILITY IN OUTCOME OF INPATIENT TREATMENT OF JUVENILE ANOREXIA NERVOSA Hannah Tilk, Martin Holtmann, Tanja Legenbauer. Ruhr University Bochum LWL-University Hospital for Child and Adolescent Psychiatry, Hamm, Germany

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MEAL BEHAVIORS IN PATIENTS HOSPITALIZED WITH AN EATING DISORDER Irina A Vanzhula, Mary Martinelli, Isabella Pan, Jasmine Shakir, Colleen Schreyer, Angela Guarda. Johns Hopkins School of Medicine, Baltimore, MD, USA

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LONG TERM FOLLOW UP OF DEEP BRAIN STIMULATION IN ANOREXIA NERVOSA D Blake Woodside1, Nir Lipsman1, Andres Lozano1, Phillipe DeVloo2. 1University of Toronto, Toronto, ON, Canada.2University of Leuven, Leuven, Netherlands