Conference Program

Clinical Trials for Eating Disorders: Best practices for setting up, recruiting for, and successfully running a clinical trial .

Data Analytic Strategies for handling Big Data Sets- Applications to Eating Disorder Research .

1:15

Introductions .

1:20

From Mood to Food: Targeting Reward Deficits in Treatment for Anorexia Nervosa Ann Haynos.

1:35

Facing Eating Disorder Fears: Translation of Prolonged Imaginal Exposure for Anxiety Disorders to the Eating Disorders Cheri Levinson.

1:50

Can theories of addiction be applied to eating disorders? Incorporating stage of illness to better understand reward processing alterations in individuals with binge-type eating disorders Sarah Racine, Lindsay Bodell.

2:05

RECONNECTING TO INTERNAL SENSATIONS AND EXPERIENCES (RISE): AN ONLINE INTERVENTION TO IMPROVE INTEROCEPTION AND REDUCE SUICIDALITY April Smith.

2:20

Discussion & Questions .

1

Post-Doctoral Training in Eating Disorders Research: Perspectives Through the Lens of Mentoring Carol Peterson.

2

The future of eating disorders research: Training the next generation Evelyn Attia.

3

THE AUSTRALIAN EATING DISORDERS RESEARCH & TRANSLATION CENTRE Stephen Touyz.

4

Sanford Center for Biobehavioral Mechanisms of Eating Behavior Stephen Wonderlich.

Integrating Weight Management and Eating Disorder Treatment: How, When and for Whom? .

ASSESSMENT/CLASSIFICATION

101

PRELIMINARY EVALUATION OF THE EATING PATHOLOGY SYMPTOMS INVENTORY - CLINICIAN RATE VERSION IN A SAMPLE OF BODY-DISSATISFIED MEN Tiffany A. Brown1, Dominic M. Denning2, Taylor R. Perry3, Brittany K. Bohrer2. 1Auburn University, Auburn, AL, USA.2University of California, San Diego, San Diego, CA, USA.3SUNY Albany, Albany, NY, USA

102

CHANGES OF FOOD CHOICE IN THE TREATMENT OF ADOLESCENT INPATIENTS WITH ANOREXIA NERVOSA Laura M. Derks, Inken Kirschbaum-Lesch, Martin Holtmann, Tanja Legenbauer. LWL-University Hospital Hamm for Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, Ruhr-University Bochum, Hamm, Germany

103

PATIENTS SPEAK BACK TO ONE-SIZE-FITS-ALL MEASURES: UTILIZING QUALITATIVE DATA TO ASSESS THE FIT AND FUNCTION OF GOLD-STANDARD EATING DISORDER MEASURES Erin N. Harrop1, Janell L. Mensinger2. 1University of Denver, Denver, CO, USA.2Nova Southeastern University, Fort Lauderdale, FL, USA

104

TOWARDS A FUNCTIONAL MAINTENANCE MODEL OF DRIVEN EXERCISE: EVIDENCE FROM THREE SAMPLES David R Kolar1, Annie F. Haynos2, Shirley B. Wang3, Theresa Lask4, Stuart Murray5, Ulrich Voderholzer6, 7, 8, Sasha Gorrell9. 1Institute of Psychology, University of Regensburg, Regensburg, Germany.2Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA.3Department of Psychology, Harvard University, Cambridge, MA, USA.4Department of Child and Adolescent Psychiatry, University Medicine Mainz, Mainz, Germany.5Psychiatry and The Behavioral Sciences, University of California, Los Angeles, CA, USA.6Schoen Clinic Roseneck, Prien, Germany.7Department of Psychiatry and Psychotherapy, Faculty of Medicine, University of Freiburg, Freiburg, Germany.8Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munchen, Germany.9Weill Institute for Neurosciences, Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, CA, USA

105

DEVELOPMENT AND PSYCHOMETRIC PROPERTIES OF THE COPING DURING MEALS QUESTIONNAIRE Jamie-Lee Pennesi, Cheri A. Levinson. University of Louisville, Louisville, KY, USA

106

DELIBERATE SELF-HARM IN ADOLESCENTS REPORTING HIGH VERSUS LOW EATING DISORDER PATHOLOGY Deborah L Reas1, Line Wisting1, Camilla Lindvall Dahlgren2. 1Regional Department of Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.2Department of Psychology, Oslo New University College, Oslo, Norway

107

Muscle Dysmorphia: A cautionary tale of extrapolation from non clinical data Rachel F Rodgers1, 2, Ane A Balkchyan3, Stuart B Murray3. 1APPEAR, Northeastern University, Boston, MA, USA.2Lapeyronie University Hospital, Montpellier, France.3Department of Psychiatry a Behavioral Sciences, Keck School of Medicine, University of Southern California, LA, CA, USA

108

ABOVE MINIMAL RISK? DIAGNOSTIC INTERVIEWING AND PARTICIPANT DISTRESS IN COMMUNITY ADULTS WITH AND WITHOUT EATING DISORDERS Kristin M. von Ranson. Dept. of Psychology, University of Calgary, Calgary, AB, Canada

BIOLOGICAL/RISK FACTORS

109

PARENT-CHILD CONFLICT SUBSTANTIALLY INCREASES GENETIC INFLUENCES ON BINGE EATING IN PRE/EARLY PUBERTY IN FEMALE PRE-ADOLESCENTS AND ADOLESCENTS Carolina Anaya, Megan Mikhail, S. Alexandra Burt, Kelly L. Klump. Michigan State University, East Lansing, MI, USA

110

THE EFFECT OF SOCIAL COGNITIVE BRAIN VOLUME ON PATHOLOGICAL EATING: A STRUCTURAL EQUATION MODELLING APPROACH Sean Arthur Cully1, 2, Malin Bjornsdotter1. 1Sahlgrenska University Hospital, Gothenburg, Sweden.2University of Amsterdam, Amsterdam, Netherlands

111

Clarifying the Role of Interoceptive Capabilities in Avoidant Restrictive Food Intake Disorder Nandini Datta, James D Lock. Stanford University School of Medicine, Stanford, CA, USA

112

ANABOLIC-ANDROGENIC STEROID USE AND EATING DISORDERS SHARE POTENTIAL CAUSAL FACTORS RELATED TO BODY-IMAGE CONCERNS: AN ANALYSIS USING MACHINE LEARNING James I Hudson1, 2, Yaakov Hudson3, Gen Kanayama1, 2, Jiana Schnabel1, Kristin N Javaras2, 4, Marc J Kaufman2, 5, Harrison G Pope1, 2. 1Biological Psychiatry Laboratory, McLean Hospital, Belmont, MA, USA.2Harvard Medical School, Boston, MA, USA.3Israel Center for Entrepreneurship, Jerusalem, Israel.4Division of Women, Belmont, MA.5McLean Imaging Center, McLean Hospital, Belmont, MA

113

GRAY AND WHITE MATTER CHANGES IN PATIENTS WITH ANOREXIA NERVOSA (AN): AN ACTIVATION LIKELIHOOD ESTIMATION (ALE) META-ANALYSIS OF STRUCTURAL IMAGING STUDIES Lara Keller1, Stefanie Trinh2, Brigitte Dahmen1, Leon Lotter3, 4, Beate Herpertz-Dahlmann1, Jochen Seitz1. 1Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital RWTH Aachen, Aachen, Germany.2Institute of Neuroanatomy, RWTH Aachen University, Aachen, Germany.3Institute of Neuroscience and Medicine, Brain a Behaviour (INM-7), Research Centre Julich, Julich, Germany.4Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital RWTH Aachen, Aachen, Germany

114

YOUNG WOMEN WHO DEVELOP ANOREXIA NERVOSA EXHIBIT A PERSISTENTLY LOW PREMORBID BODY WEIGHT: A LONGITUDINAL INVESTIGATION OF AN IMPORTANT ETIOLOGIC CLUE Eric Stice1, 2, Paul Rhode2, Christopher David Desjardins3. 1Stanford University, Palo Alto, CA, USA.2Oregon Research Institute, Eugene, OR, USA.3Saint Michael's College, Colchester, VT, USA

115

CHANGES IN THE GUT MICROBIOME IN AN ANIMAL MODEL OF ANOREXIA NERVOSA AFTER STARVATION AND REFEEDING Stefanie Trinh1, Cordian Beyer1, Lara Keller2, Beate Herpertz-Dahlmann2, Jochen Seitz2. 1Institute of Neuroanatomy, University Hospital RWTH Aachen, Aachen, Germany.2Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Hospital RWTH Aachen, Aachen, Germany

116

PREDICTORS OF EATING DISORDER RECOVERY: A FOCUS ON DIFFERENT DEFINITIONS Eline, S. van Bree, Rita C. Slof-Op , Eric, F. van Furth. GGZ Rivierduinen Eating Disorders Ursula, Leiden, Netherlands

117

SEX AND GROWTH-RELATED BIOMARKERS IN BULIMIA NERVOSA: A META-ANALYSIS Ya-Ke Wu1, 2, Hunna J Watson2, 3, 4, Sabrina L Hardin5, Hanh Le2, Kiara L Luna-Reyes6, Jessica H Baker2, 7. 1The University of North Carolina at Chapel Hill School of Nursing, Chapel Hill, NC, USA.2The University of North Carolina at Chapel Hill Department of Psychiatry, Chapel Hill, NC, USA.3Curtin University School of Psychology, Bentley, Australia.4The University of Western Australia School of Paediatrics, Division of Medicine, Perth, Australia.5Beth Israel Lahey Health, Boston, MA, USA.6North Carolina Central University Department of Psychology, Raleigh, NC, USA.7Equip Health, Inc., San Diego, CA, USA

COMORBIDITY

118

AGE OF ONSET AND THE CLINICAL PHENOTYPE OF OLDER WOMEN WITH BINGE EATING Savannah C. Hooper1, 2, Victoria B. Marshall1, 2, Lisa S. Kilpela1, 2, 3, Carolyn B. Becker4. 1UT Health San Antonio, San Antonio, TX, USA.2Barshop Institute for Longevity and Aging Studies, San Antonio, TX, USA.3South Texas VA Health System, San Antonio, TX, USA.4Trinity University, San Antonio, TX, USA

119

The relationship between anxiety symptoms and avoidant/restrictive food intake disorder symptom severity Taylor R. Perry1, Jessie E. Menzel2, Kelly Cai2, Dave Freestone2, Dori M Steinberg2. 1University at Albany, Albany, NY, USA.2Equip Health, Carlsbad, CA, USA

DEVELOPMENTAL

120

CHILDRENS BODY DISSATISFACTION IN EVERYDAY LIFE: THE ROLE OF SOCIAL COMPARISONS AND A POSITIVE PARENT-CHILD RELATIONSHIP Jolien De Coen, Sandra Verbeken, Lien Goossens. Ghent University, Ghent, Belgium

121

Momentary predictors of a broad range of food parenting practices within a population-based sample of parents of preschool-aged children Katie A Loth1, Ziyu Ji2, Julian Wolfson2, Jennifer Fisher3, Jerica M Berge1, Dianne Neumark-Sztainer4. 1Department of Family Medicine and Community Health, University of Minnesota, Minneapolis, MN, USA.2Division of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, MN, USA.3College of Public Health, Department of Social and Behavioral Sciences, Temple University, Philidelphia, PA, USA.4Division of Epidemiology and Community Health Minneapolis, MN, USA

122

Identity formation and psychopathological symptoms in adolescence: Examining developmental trajectories and co-development Leni Raemen1, Laurence Claes1, 2, Nina Palmeroni1, Tinne Buelens3, Lore Vankerckhoven1, Koen Luyckx1, 4. 1KU Leuven, Leuven, Belgium.2University of Antwerp, Antwerp, Belgium.3University of Amsterdam, Amsterdam, Netherlands.4University of the Free State, Bloemfontein, South Africa

123

IDENTITY FORMATION, BODY IMAGE, AND BODY-RELATED SYMPTOMS: DEVELOPMENTAL TRAJECTORIES AND ASSOCIATIONS THROUGHOUT ADOLESCENCE Lore Vankerckhoven1, Leni Raemen1, Laurence Claes1, 2, Steven Eggermont1, Nina Palmeroni1, Koen Luyckx1, 3. 1KU Leuven, Leuven, Belgium.2University of Antwerp, Antwerp, Belgium.3University of the Free State, Bloemfontein, South Africa

EPIDEMIOLOGY

124

Longitudinal impacts of the COVID-19 pandemic on eating disorder risk among diverse sexual minority populations: Results from a prospective cohort study of U.S. adults Ariel L. Beccia1, Dougie Zubizarreta2, S. Bryn Austin1, 3, 4, Julia R. Raifman5, Jorge E. Chavarro6, Brittany M. Charlton1, 2, 7. 1Division of Adolescent/Young Adult Medicine, Boston Children, Boston, MA, USA.2Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.3Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA.4Department of Pediatrics, Harvard Medical School, Boston, MA, USA.5Department of Health Law, Policy and Management, Boston University School of Public Health, Boston, MA, USA.6Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.7Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA

125

PREVALENCE OF DSM-5 FEEDING AND EATING DISORDERS IN NORWEGIAN ADOLESCENTS: THE FIRST UPDATE SINCE 1999 Camilla L. Dahlgren1, 2, Anne Louise Wennersberg2, Line Wisting2, Anne Reneflot 3. 1Department of Psychology, Oslo New University College, Oslo, Norway.2Regional Department of Eating Disorders, Oslo University Hospital, Oslo, Norway.3Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway

126

BODY DISSATISFACTION, COMPULSIVE EXERCISE AND ALCOHOL USE AMONG SWEDISH UNIVERSITY STUDENTS. A LONGITUDINAL ASSESSMENT OF RISK FOR DEPRESSION. Klara Edlund1, 2, Clara Onell1, Fred Johansson1, Tobias Sundberg1, Henrik Kallberg1, Eva Skillgate1, 2. 1Sophiahemmet University, Stockholm, Sweden.2Karolinska Institutet, Solna, Sweden

127

WHO GETS TREATED FOR AN EATING DISORDER? IMPLICATIONS FOR INFERENCE BASED ON CLINICAL POPULATIONS Alison E Field1, Hannah N Ziobrowski2, Kamryn T Eddy3, Kendrin R Sonneville4, Tracy K Richmond5. 1Brown University School of Public Health, Providence, RI, USA.2Harvard Medical School, Boston, MA, USA.3Massachusetts General Hospital, Boston, MA, USA.4University of Michigan, Ann Arbor, MI, USA.5Boston Children's Hospital, Boston, MA, USA

128

THE ASSOCIATION BETWEEN WEIGHT PERCEPTION AND DISORDERED EATING: CONSIDERING ACTUAL WEIGHT STATUS AND FAMILY WEIGHT TEASING AS MODERATORS Samantha L. Hahn1, 2, C. Blair Burnette1, Rebecca M. Puhl3, Jerica M. Berge1, Marla Eisenberg1, Dianne Neumark-Sztainer1. 1University of Minnesota, Minneapolis, MN, USA.2Central Michigan University, College of Medicine, Mount Pleasant, MI, USA.3University of Connecticut, Hartford, CT, USA

129

Review of the unprecedented impact of the COVID-19 pandemic on the occurrence of eating disorders Karien Meier1, 2, Daphne van Hoeken1, Hans W Hoek1, 2, 3. 1Parnassia Psychiatric Institute, The Hague, Netherlands.2University of Groningen, University Medical Center Groningen, Department of Psychiatry, Groningen.3Columbia University, Mailman School of Public Health, Department of Epidemiology, New York, NY, USA

130

THE IMPACT OF THE COVID-19 PANDEMIC AND PRE-EXISTING MENTAL HEALTH SYMPTOMS ON EATING DISORDER DIAGNOSTIC STATUS IN VETERAN MEN AND WOMEN Karen S Mitchell1, 2, Brian N Smith1, 2, Shannon Kehle-Forbes1, 3, Dawne Vogt1, 2. 1National Center for PTSD at VA Boston Healthcare System, Boston, MA, USA.2Boston University School of Medicine, Boston, MA, USA.3Minneapolis VA Healthcare System, Minneapolis, MN, USA

131

WEIGHT DISCRIMINATION IS ASSOCIATED WITH USE OF HARMFUL WEIGHT-LOSS SUPPLEMENTS DURING THE COVID-19 PANDEMIC IN THE U.S. Amanda Raffoul1, 2, Ariel L. Beccia1, Destiny A. Jackson3, Vishnudas Sarda1, Jaime E. Hart4, 5, Jorge E. Chavarro4, 6, S. Bryn Austin1, 2, 4, 7. 1Division of Adolescent/Young Adult Medicine, Boston Children, Boston, MA, USA.2Department of Pediatrics, Harvard Medical School, Boston, MA, USA.3Department of Sociology, Emory University, Atlanta, GA, USA.4Channing Division of Network Medicine, Brigham and Women, Boston, MA, USA.5Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.6Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.7Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA

132

Increase in the incidence of anorexia nervosa among 10-14 years old girls over four decades Annelies E. van Eeden1, 2, Daphne van Hoeken1, Hans W. Hoek1, 2, 3. 1Parnassia Psychiatric Institute, The Hague, Netherlands.2University of Groningen, University Medical Center Groningen, Department of Psychiatry, Groningen, Netherlands.3Columbia University, Mailman School of Public Health, Department of Epidemiology, New York, NY, USA

GENETICS

133

EXTRACELLULAR VESICLES: A KEY TO UNDERSTAND THE EFFECTS OF EXERCISE IN TREATMENT OF EATING DISORDERS? Solfrid Bratland-Sanda1, Sannija Goleva-Fjellet2, Klara Edlund3, Mona Sabo4. 1University of South-Eastern Norway, Bo I Telemark, Norway.2Karolinska Institutet, Stockholm, Sweden.3University of South-Eastern Norway, Bo I Telemark, Norway.4University of South-Eastern Norway, Bo I Telemark, Norway

134

HERITABILITY OF PICKY EATING IN YOUNG CHILDREN Leora L. Haller1, Kelly L. Klump2, S. Alexandra Burt2, Hana Zickgraf3, Shannon M. O'Connor1. 1Montclair State University, Montclair, NJ, USA.2Michigan State University, East Lansing, MI, USA.3University of South Alabama, Mobile, AL, USA

MISCELLANEOUS

135

IMPLEMENTING AN EVIDENCE BASED SCREENING TOOLS FOR EATING DISORDERS IN A CHILD AND ADOLESCENT PARTIAL HOSPITAL: A QUALITY IMPROVEMENT PROJECT Brittany Athmer , Sarah Banzhaf. Creighton University, Omaha, NE, USA

136

BRINGING THE PERSON OF THE THERAPIST INTO THE ROOM: HOW THERAPISTS CAN USE AND MANAGE THEIR EATING DISORDER LIVED EXPERIENCE IN THE TREATMENT OF CLIENTS WITH EATING DISORDERS Ashley A. King. Drexel University, Philadelphia, PA, USA

137

THE STUDY OF EATING DISORDERS FROM A NETWORK PERSPECTIVE: A SYSTEMATIC REVIEW Margaret Sala1, Melanie Kressel1, Kelsey Hagan2, Lauren Breithaupt3, 4, Cheri Levinson5. 1Ferkauf Graduate School of Psychology, Yeshiva University, Bronx, NY, USA.2Department of Psychiatry, Columbia University Irving Medical Center/New York State Psychiatric Institute, New York, NY, USA.3Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA.4Department of Medicine, Harvard Medical School, Boston, MA, USA.5University of Louisville, Louisville, KY, USA

138

Eating disorder psychopathology dimensions based on individual co-occurrence patterns of symptoms over time: a dynamic time warp analysis in a large naturalistic patient cohort Margarita C Slof-Op 't Landt1, 2, Alexandra E Dingemans1, 2, Erik J Giltay2. 1GGZ Rivierduinen Eating Disorders Ursula, Leiden, Netherlands.2Leiden University Medical Center, Department of Psychiatry, Leiden, Netherlands

139

THE IMPACT OF COVID-19 PANDEMIC STRESS ON TRAJECTORY OF ILLNESS IN ADOLESCENTS WITH ANOREXIA NERVOSA Blair W Uniacke1, 2, Monica Jablonski1, Jonathan Posner3, 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

140

Dissonance-based prevention of eating pathology in non-Western cultures: A randomized controlled trial of the Body Project among young Saudi adult women Munirah H AlShebali1, 2, Carolyn Becker3, Stephen Kellett2, Ahmad AlHadi4, 5, Glenn Waller2. 1Basic Sciences and Studies Department, College of Community, Princess Nourah bint Abdulrahman University, Saudi Arabia, Riyadh, Saudi Arabia.2Department of Psychology, University of Sheffield, UK, Sheffield, United Kingdom.3Department of Psychology, Trinity University, USA, Trinity, TX, USA.4Department of Psychiatry, College of Medicine, King Saud University, Saudi Arabia, Riyadh, Saudi Arabia.5SABIC Psychological Health Research a Applications Chair, Department of Psychiatry, College of Medicine, King Saud University, Saudi Arabia, Riyadh, Saudi Arabia

141

IS DISORDERED EATING LINKED TO RELATIONAL ATTITUDES AND SATISFACTION IN ROMANTIC RELATIONSHIPS? Rachel Bachner-Melman1, 2, Rami Tolmacz3, Lilac Lev-Ari2, Dana Brondvine3. 1School of Social Work, Hebrew University of Jerusalem and Clinical Psychology Graduate program, Ruppin Academic Center, Jerusalem, Israel.2Clinical Psychology Graduate Program, Ruppin Academic Center, Emek Hefer, Israel.3Baruch Ivcher School of Psychology, Reichman University, Herzliya, Israel

142

COMPARISONS ON SOCIAL MEDIA BY MIDDLE-AGED WOMEN: CONSIDERING NON-APPEARANCE DOMAINS AND THEIR RELATIONSHIP WITH DISORDERED EATING ATTITUDES AND BEHAVIORS Anna M Bardone-Cone, Lauren K Wash, Emily C Walsh, Alexandra J Miller, Katherine A Thompson. University of North Carolina at Chapel Hill, Chapel Hill, NC, USA

143

Rejection and Unhealthy Eating Behaviors: The Buffering Role of Self-Compassion Ege Bicaker, Sarah Schell, Sarah Racine. McGill University, Montreal, QC, Canada

144

IMPACT OF MOOD STATES ON MOTIVATION TO EAT IN WOMEN WITH BINGE EATING Lindsay P Bodell, Kendall Schmidt, Cassandra Lowe. Western University, London, ON, Canada

145

"IN AN OTHERWISE LIMITLESS WORLD, I WAS SURE OF MY LIMIT". EXPERIENCING ANOREXIA NERVOSA: A PHENOMENOLOGICAL METASYNTHESIS. Emma Bryant1, Phillip Aouad1, Ashlea Hambleton1, Stephen W Touyz1, Sarah Maguire1, 2. 1InsideOut Institute for Eating Disorders, University of Sydney, Sydney, Australia.2Sydney Local Health District, Sydney, Australia

146

REJECTION SENSITIVITY & NEGATIVE INTERPRETATION BIAS IN BULIMIA NERVOSA Victoria Burmester, Yiling Cao, Dasha Nicholls. Imperial College, London, United Kingdom

147

TITLE: COMMUNITY INVOLVEMENT AS A PREDICTOR OF APPEARANCE INTERNALIZATION PRESSURES IN SEXUAL MINORITY MEN John Chen1, Dominic M. Denning2, Jordan Alvarez1, Tiffany A. Brown1. 1Auburn University, Auburn, AL, USA.2University of Massachusetts Amherst, Amherst, MA, USA

148

Reflective Functioning and Disordered Eating Behaviours in Schools Cecily Donnelly, Dasha Nicholls. Imperial College London, London, United Kingdom

149

QUANTITATIVE AND QUALITATIVE FINDINGS OF TRANSCRANIAL DIRECT CURRENT STIMULATION AND APPROACH BIAS MODIFICATION TRAINING IN BINGE EATING DISORDER Gemma Gordon1, Timo Brockmeyer2, Iain Campbell3, Ulrike Schmidt4. 1King's College London, London, United Kingdom.2University of Gottingen, Gottingen, Germany.3King's College London, London, United Kingdom.4King's College London, London, United Kingdom

150

LONGITUDINAL RELATIONSHIPS AMONG DEPRESSIVE SYMPTOMS, ADIPOSITY, AND LOSS-OF-CONTROL EATING (LOC) IN YOUTH Hannah E. Haynes1, 3, 4, Lisa M. Shank2, 3, 4, Loie M. Faulkner1, Esther A. Kwarteng1, Lucy K. Loch1, Sarah Cho1, Megan N. Parker1, 2, Sheila M. Brady1, Jesse W. P. Dzombak2, Nasreen A. Moursi2, Marian Tanofsky-Kraff1, 2, 3, Jack A. Yanovski1. 1Section on Growth and Obesity, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), Division of Intramural Research, National Institutes of Health (NIH), Bethesda, MD, USA.2Department of Medical and Clinical Psychology, Uniformed Services University of the Health Sciences (USU), Bethesda, MD, USA.3Department of Medicine, Military Cardiovascular Outcomes Research (MiCOR) Program, USU, Bethesda, MD, USA.4Metis Foundation, San Antonio, TX, USA

151

SHARED DECISION MAKING AND AUTONOMIC MOTIVATION IN THE TREATMENT FOR ANOREXIA NERVOSA: A PILOT RCT. Alberte Jansingh1, Unna N. Danner1, 2, Arwen H. Pieterse3, Annemarie A. van Elburg1, 2. 1Altrecht Eating Disorders Rintveld, Zeist, Netherlands.2Faculty of Social Sciences, Utrecht University, Utrecht, Netherlands.3Leiden University Medical Center, Leiden, Netherlands

152

HIGHER TRAIT AND DAILY SELF-COMPASSION LEVELS PROMOTE POSITIVE MENTAL HEALTH IN WOMEN WITH ANOREXIA NERVOSA Aleece Katan, Allison C. Kelly. University of Waterloo, Waterloo, Canada

153

HOW NEGATIVE AFFECT LEADS TO BINGE EATING: THE IMPORTANCE OF IMPULSIVITY AND CRAVING IN BULIMIA NERVOSA Nicolas Leenaerts1, Thomas Vaessen2, Stefan Sunaert3, 4, Jenny Ceccarini4, 5, Elske Vrieze1. 1Mind-body Research, Biomedical Sciences Group, KU Leuven, Leuven, Belgium.2Center for Contextual Psychiatry, Biomedical Sciences Group, KU Leuven, Leuven, Belgium.3Department of Radiology, University Hospitals Leuven, Leuven, Belgium.4Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.5Department of Nuclear Medicine and Molecular Imaging, KU Leuven, Leuven, Belgium

154

Preconception Loss of Control Eating is Associated with Psychosocial Distress Michele Levine1, Yang Qu1, Yu Cheng1, Kate Keenan2, Alison Hipwell1. 1University of Pittsburgh, Pittsburgh, PA, USA.2University of CHicago, Chicago, IL, USA

155

A CROSS SECTIONAL AND LONGITUDINAL EVALUATION OF THE ASSOCIATIONS BETWEEN AGE AND THE RELATIVE REINFORCING VALUE (RRV) OF FOOD IN CHILDREN AND ADOLESCENTS Lucy K. Loch1, Megan N. Parker1, 2, Esther A. Kwarteng1, Loie M. Faulkner1, Hannah E. Haynes1, 3, 4, Sheila M. Brady1, Anna Zenno1, Sarah Cho1, Jesse W.P. Dzombak1, 2, Nasreen A. Moursi1, 2, Marian Tanofsky-Kraff1, 2, 3, Jack A. Yanovski1. 1Section on Growth and Obesity, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA.2Developmental Research Laboratory on Eating and Weight Behaviors, Uniformed Services University of the Health Sciences (USU), Bethesda, MD, USA.3Military Outcomes Cardiovascular Research, Department of Medicine, USU, Bethesda, MD, USA.4Metis Foundation, San Antonio, TX, USA

156

EMOTION DIFFERENTIATION DOES NOT BUFFER THE IMPACT OF NEGATIVE AFFECT ON FEELING FAT: AN ECOLOGICAL MOMENTARY ASSESSMENT STUDY Adrienne Mehak, Sarah E. Racine. McGill University, Montreal, QC, Canada

157

ANOREXIA NERVOSA IN THE GAZES OF PRIMARY HEALTHCARE PRACTITIONERS Zharkyn O. Moldokulova, Elena S. Molchanova. American University of Central Asia, Bishkek, Kyrgyzstan

158

PROFILES OF WEIGHT STIGMA IN COLLEGE STUDENTS ACROSS THE WEIGHT SPECTRUM: ASSOCIATIONS WITH EATING DISORDER, DEPRESSION, AND SOCIAL ANXIETY SYMPTOMS Julia Nicholas, Caroline Christian, Taylor Penwell, Cheri Levinson. University of Louisville Department of Psychological and Brain Sciences, Louisville, KY, USA

159

COMPLEX EMOTION RECOGNITION IS IMPAIRED IN ANOREXIA NERVOSA Emma E E Saure1, Marja Laasonen2, Tuulia Lepisto-Paisley3, Raevuori Anu4, 5. 1Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland.2Logopedics, School of Humanities, Philosophical Faculty, University of Eastern Finland, Joensuu, Finland.3Child Neurology, Helsinki University Hospital, Helsinki, Finland.4Clinicum, Department of Public Health, University of Helsinki, Helsinki, Finland.5Department of Adolescent Psychiatry, Helsinki University Hospital, Helsinki, Finland

160

DISTINGUISHING DELUSIONAL BELIEFS FROM OVERVALUED IDEAS IN ANOREXIA NERVOSA: AN EXPLORATORY STUDY Stephen W Touyz1, 2, Rachel Barton1, Phillip Aouad2, 3, Phillipa Hay4, Geoffrey Buckett5, Janice Russell1, 2, 6, Margaret Sheridan7, Vlasios Brakoulias4, 7, 8. 1School of Psychology, Faculty of Science, University of Sydney, Sydney, Australia.2InsideOut Institute for Eating Disorders, Faculty of Medicine and Health, University of Sydney, Sydney, Australia.3School of Medicine, Western Sydney University, Sydney, Australia.4Translational Health Research Institute, Western Sydney University, Sydney, Australia.5Northside West Clinic, Ramsay Mental Health, Wentworthville, Australia.6Royal Prince Alfred Hospital, Sydney, Australia.7Northside Clinic, Ramsay Mental Health, St Leonards, Australia.8Western Sydney Local Health District Mental Health Service, Sydney, Australia

161

MOMENTARY ASSOCIATIONS BETWEEN OVEREATING, LOSS OF CONTROL, AND CAREGIVER CRITICISM: FINDINGS FROM ECOLOGICAL MOMENTARY ASSESSMENT Claire Trainor1, 2, Stephanie M Manasse2, Brighid Fitzpatrick2. 1Drexel University, Philadelphia, PA, USA.2Weight, Eating, and Lifestyle Center at Drexel University, Philadelphia, PA, USA

162

APPROACH AND AVOIDANCE MOTIVATION IN RESPONSE TO THIN AND NON-THIN BODIES: EXAMINING RELATIONSHIPS WITH INTERNALIZED FEARS AND IDEALS Samantha Wilson, Adrienne Mehak, Sarah E. Racine. McGill University, Montreal, QC, Canada

163

A large-scale investigation of atypical anorexia and anorexia nervosa subtypes among patients at a residential treatment center Valerie Z. Wong, Michael R. Lowe. Drexel University, Philadelphia, PA, USA

TRAUMA

164

THE IMPACT OF CHILDHOOD TRAUMA ON TREATMENT OUTCOME AFTER INPATIENT TREATMENT IN ADULT EATING DISORDER PATIENTS Siri Weider1, 2, Oyvind Ro3, Marit Danielsen2. 1Department of Psychology, the Norwegian University of Science and Technology (NTNU), Trondheim, Norway.2Eating Disorder Unit, Department of Psychiatry, Levanger Hospital, Health Trust Nord-Trondelag, Levanger, Norway.3Regional Eating Disorder Service, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway

TREATMENT/PREVENTION

165

FROM BARIATRIC SURGERY TO AN EATING DISORDER CLINIC: EXAMINING RATES OF BARIATRIC SURGERY AND HEALTH-RELATED CHARACTERISTICS IN TREATMENT SEEKING BINGE EATING DISORDER PATIENTS Sarah L Brassard1, 2, Carie Guan3, Kiran Punia2, Michele Laliberte4, Iris M Balodis2, 5, 6. 1Department of Neuroscience, McMaster University, Hamilton, ON, Canada.2Peter Boris Centre for Addictions Research, St. Joseph, Hamilton, ON, Canada.3Department of Psychology, Neuroscience, and Behaviour, McMaster University, Hamilton, ON, Canada.4Eating Disorders Program, St. Joseph, Hamilton, ON, Canada.5Michael G. DeGroote Centre for Medicinal Cannabis Research, Hamilton, ON, Canada.6Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada

166

EATING DISORDER PATIENTS WITH AND WITHOUT PTSD TREATED IN RESIDENTIAL CARE: SIX MONTH FOLLOW-UP RESULTS Timothy D. Brewerton1, 2, Ismael Gavidia1, Giulia Suro1, Molly M. Perlman1, 3. 1Monte Nido a Affiliates, Miami, FL, USA.2Medical University of South Carolina, Charleston, SC, USA.3Florida International University Herbert Wertheim College of Medicine, Miami, FL, USA

167

KETOGENIC DIET AND KETAMINE INFUSIONS TARGET CHRONIC PERSISTENT EATING DISORDER PSYCHOPATHOLOGY: A PILOT STUDY Lori Calabrese1, Barbara Scolnick2, Beth Zupec-Kania3, Caroline Beckwith4, Kayla Costello5, Guido K.W. Frank6. 1Innovative Psychiatry, South Windsor, CT, USA.2Internal Medicine and Addiction Medicine, Waban, MA, USA.3Ketogenic Therapies, Elm Grove, WI, USA.4Clinical Peer Counselor, New York, NY, USA.5Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, NY, USA.6University of California San Diego, San Diego, CA, USA

168

EVALUATINGWHETHER A PEER-LED DISSONANCE-BASED EATING DISORDER PREVENTION PROGRAM PREVENTS ONSET OF EACH EATING DISORDER TYPE Laura D'Adamo1, Ata Ghaderi2, Paul Rohde3, Jeff M. Gau3, Heather Shaw4, Eric Stice4. 1Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA.2Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.3Oregon Research Institute, Eugene, OR, USA.4Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA

169

Working Alliance as an Epiphenomenon of Early Symptom Change in a Randomized Clinical Trial for Binge Eating Disorder Dorian R Dodd1, Carol B. Peterson2, Ross D. Crosby1, Scott J. Crow2, Scott G. Engel1, Stephen A. Wonderlich1. 1Sanford Center for Biobehavioral Research, Fargo, ND, USA.2University of Minnesota, Department of Psychiatry and Behavioral Sciences, Minneapolis, MN, USA

170

ANIMAL-ASSISTED THERAPY IN EATING DISORDER TREATMENT: A SYSTEMATIC REVIEW Molly W Fennig1, 2, Elise Weber1, Bolade Santos1, Ellen E Fitzsimmons-Craft3, Laura D'Adamo2, Denise E Wilfley3. 1Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA.2Department of Psychological and Brain Sciences, Washington University in St. Louis, St. Louis, MO, USA.3Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA

171

MULTIFAMILY THERAPY IN A REAL WORLD SETTING: A RETROSPECTIVE STUDY O F THE CHANGE IN EATING DISORDER SYMPTOMS FROM START OF TREATMENT TO FOLLOW-UP Ingrid Funderud1, Inger Halvorsen1, Anne Lise Kvakland1, Jeanette Skjonhaug1, Kristin Stedal1, Oyvind Ro1, 2. 1Regional Department of Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.2Faculty of Medicine, Oslo University Hospital, Oslo, Norway

172

Functional Body Questionnaire performance in a mixed community and clinical sample Juanita Gempeler1, 2, Maritza Rodriguez1, 2, Sergio Castro1, Felipe Botero2. 1Equilibrio, Bogota, Columbia.2Javeriana University, Bogota, Columbia

173

The experiences of young females with type 1 diabetes participating in eating disorders prevention groups. A qualitative feasibility study Trine Wiig Hage1, Jan-Vegard Nilsen 1, Katrine Karlsen 2, Martine Lyslid 2, Line Wisting2. 1Oslo University Hospital, Oslo, Norway.2Norwegian Diabetes Association, Oslo, Norway

174

IMPACT OF EARLY CHANGE IN QUALITY OF LIFE IN THE TREATMENT OF ANOREXIA NERVOSA Phillipa Hay1, Eliza Lindus2, Liquan Liu2, Janet Conti1, 2. 1Translational Health Research Institute, School of Medicine, Western Sydney University, Sydney, Australia.2School of Psychology, Western Sydney University, Sydney, Australia

175

LATENT CHANGE TRAJECTORIES OF AFFECT DURING CBT FOR BINGE EATING ARE ASSOCIATED WITH COMPENSATORY BEHAVIOR ENGAGEMENT AT POST TREATMENT Elizabeth Lampe1, 2, Paakhi Srivastava2, Emily Presseller1, 2, Megan Michael1, 2, Claire Trainor1, 2, Stephanie Manasse2, Adrienne Juarascio1, 2. 1Department of Psychological and Brain Sciences, Drexel University, Philadelphia, PA, USA.2WELL Center, Drexel University, Philadelphia, PA, USA

176

EXPLORING INTERVENTION OPPORTUNITIES TO INCREASE MENTAL HEALTH SERVICE USE AMONG COLLEGE-ENROLLED MEN WITH EATING DISORDERS: A SYSTEM DYNAMICS MODELING APPROACH F. Hunter McGuire, Alexis E. Duncan. The Brown School, Washington University in St. Louis, St. Louis, MO, USA

177

A PILOT FEASIBILITY STUDY OF A MOBILE HEART RATE VARIABILITY BIOFEEDBACK APP FOR HEALTHCARE WORKERS: IMPROVEMENTS IN INTEROCEPTION, MINDFUL SELF-CARE, AND DISORDERED EATING Janell L. Mensinger1, 2, Guy Weissinger2, Mary Ann Cantrell2, Rachel Baskin2, Alexis Cohn2, Cerena George2, Rachel Randall2. 1Nova Southeastern University, Fort Lauderdale, FL, USA.2Villanova University, Villanova, PA, USA

178

PSYCHOLOGICAL AND MEDICAL OUTCOMES FOR ADULTS IN A RESIDENTIAL PROGRAM FOR BINGE EATING SPECTRUM DISORDERS Renee D Rienecke1, 2, Dan V Blalock3, 4, Haley D Mills1, Alan Duffy1, Jamie Manwaring5, Daniel Le Grange6, 7, Philip S Mehler1, 5, 8, Susan McClanahan1, 2, 9, Craig Johnson1. 1Eating Recovery Center and Pathlight Mood a Anxiety Centers, Denver, CO, USA.2Northwestern University, Chicago, IL, USA.3Durham Veterans Affairs Medical Center, Durham, NC, USA.4Duke University School of Medicine, Durham, NC, USA.5ACUTE at Denver Health, Denver, CO, USA.6University of California, San Francisco, San Francisco, CA, USA.7University of Chicago, Chicago, IL, USA.8University of Colorado, Denver, CO, USA.9Rush University Medical Center, Chicago, IL, USA

179

CHANGES IN EATING DISORDER SYMPTOMS AND INTERNALIZED WEIGHT STIGMA AMONG EMPLOYEES PARTICIPATING IN AN INTUITIVE EATING-BASED WORKPLACE WELLNESS PROGRAM Jane C Schmid1, Ashley Linxwiler1, Heidi M Weeks1, Erica Owen2, Kate W Bauer1, Amy E Rothberg3, Matthew Zawistowski1, Kendrin R Sonneville1. 1University of Michigan School of Public Health, Ann Arbor, MI, USA.2MHealthy, University of Michigan, Ann Arbor, MI, USA.3Michigan Medicine, Ann Arbor, MI, USA

180

Temperament Based Therapy with Support (TBT-S). Acceptability, treatment satisfaction and outcome in Norwegian adults with anorexia nervosa spectrum disorders. Kristin Stedal1, Christina E. Wierenga2, Stephanie Knatz Peck2, Laura Hill2, 3, Ingrid Funderud1. 1Regional Section for Eating Disorders, Division of Mental Health and Addiction, Oslo, Norway.2Eating Disorder Treatment a Research Center, Department of Psychiatry, University of California, San Diego, CA, USA.3Department of Psychiatry and Behavioral Health, The Ohio State University, Ohio, OH, USA

181

EFFICACY OF VIRTUAL DELIVERY OF A DISSONANCE-BASED EATING DISORDER PREVENTION PROGRAM AND EVALUATION OF A DONATION MODEL TO SUPPORT SUSTAINED IMPLEMENTATION Eric Stice1, Cara Bohon1, Heather Shaw1, Christopher David Desjardins2. 1Stanford University, Palo Alto, CA, USA.2Saint Michael's College, Colchester, VT, USA

182

VIRTUAL VS. IN-PERSON DAY TREATMENT FOR ADULTS WITH EATING DISORDERS: A COMPARISON OF OUTCOMES Lea Thaler1, 2, Nesrine Mesli3, Annie St-Hilaire1, 2, Chloe Paquin-Hodge1, 2, Linda Booij4, 5, Stephanie Oliverio1, 4, Viveca Lee1, Mimi Israel1, 2, Howard Steiger1, 2, 3. 1Eating Disorders Continuum, Douglas University Institute, Montreal, QC, Canada.2Department of Psychiatry, McGill University, Montreal, QC, Canada.3Department of Psychology, McGill University, Montreal, QC, Canada.4Department of Psychology, Concordia University, Montreal, QC, Canada.5Sainte-Justine Hospital Research Centre, University of Montreal, Montreal, QC, Canada

183

THE IMPACT OF TOTAL DIET REPLACEMENT FOR REMISSION OF TYPE 2 DIABETES ON DISORDERED EATING; A PROTOCOL FOR A NON-INFERIORITY RANDOMISED CONTROL TRIAL Elena Tsompanaki1, Dimitrios A Koutoukidis1, Paul Aveyard1, Rebecca J Park2. 1Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom.2Department of Psychiatry, University of Oxford, Oxford, United Kingdom

184

Eating Disorder Symptom Under-Reporters: Who Are They? Irina A Vanzhula, Isabella Pan, Erin Wang, Sarah Ann Duck, Colleen Schreyer, Angela Guarda. Johns Hopkins School of Medicine, Baltimore, MD, USA

185

A PILOT STUDY OF A VIRTUALLY-DELIVERED DISSONANCE-BASED EATING DISORDER PREVENTION PROGRAM FOR YOUNG FEMALES WITH TYPE 1 DIABETES: DO IMPROVEMENTS PERSIST AT 6 MONTH FOLLOW-UP? Line Wisting1, 2, Severina Haugvik3, 4, Anne L Wennersberg1, Trine W Hage1, Eric Stice5, Marion P Olmsted6, Ata Ghaderi7, Cathrine Brunborg8, Torild Skrivarhaug2, 3, 4, 9, Knut Dahl-Jorgensen2, 3, 4, 9, Oyvind Ro1, 10. 1Oslo University Hospital, Division of Mental Health and Addiction, Regional department for eating disorders, Oslo, Norway.2Oslo Diabetes Research Centre, Oslo, Norway.3Oslo University Hospital, Division of Childhood and Adolescent Medicine, Oslo, Norway.4The Norwegian Diabetes Centre, Oslo, Norway.5Stanford University, Department of Psychiatry and Behavioral Sciences, Stanford, CA, USA.6University of Toronto, Department of Psychiatry, Toronto, ON, Canada.7Karolinska Institutet, Department of Clinical Neuroscience, Stockholm, Sweden.8Oslo University Hospital, Research Support Services, Oslo Center of Biostatistics and Epidemiology, Oslo, Norway.9University of Oslo, Faculty of Medicine, Institute of Clinical Medicine, Oslo, Norway.10University of Oslo, Mental Health and Addiction, Institute of Clinical Medicine, Oslo, Norway