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Menzel JE, Perry TR. Avoidant/Restrictive Food Intake Disorder: Review and Recent Advances. FOCUS (AMERICAN PSYCHIATRIC PUBLISHING) 2024; 22:288-300. [PMID: 38988468 PMCID: PMC11231462 DOI: 10.1176/appi.focus.20240008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
Avoidant/restrictive food intake disorder (ARFID) is an eating disorder recently codified in DSM-5 that affects individuals of all ages. A proliferation of ARFID research has emerged over the years, and this review provides a brief overview of the current understanding of ARFID epidemiology, symptoms, comorbid conditions, assessment, and treatment. The review highlights recent research updates regarding ARFID among adults, putative neurobiological mechanisms underlying ARFID, and new treatment trials. Findings from this review demonstrate that ARFID is as prevalent as other eating disorders, even among adults, and is associated with significant medical and psychiatric comorbid conditions. New, promising treatments for children, adolescents, and adults are in the early stages of development. Several assessments are now available to aid in the screening and diagnosis of ARFID and have demonstrated cross-cultural validity. Areas for future research and clinical guidance, including unresolved questions regarding ARFID categorization and differential diagnosis, are discussed.
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Affiliation(s)
- Jessie E Menzel
- Equip Health, Inc., Carlsbad, California (all authors); Department of Psychology, State University of New York at Albany, Albany (Perry)
| | - Taylor R Perry
- Equip Health, Inc., Carlsbad, California (all authors); Department of Psychology, State University of New York at Albany, Albany (Perry)
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2
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Bédard A, Bernard C, Meilleur D, Taddeo D, Pesant C, Di Meglio G, Gingras N, Thibault I, Agostino H, Bélanger R, Nadeau PO, Frappier JY, Stheneur C, Dufresne L, Bégin C. Recovery Trajectories in Adolescent Girls with Anorexia Nervosa. J Clin Med 2024; 13:778. [PMID: 38337472 PMCID: PMC10856320 DOI: 10.3390/jcm13030778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/18/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Background: This study aimed to document recovery trajectories among adolescents with anorexia nervosa (AN) based on three markers of remission, namely changes in body weight, food restriction, and excessive exercise, and to identify predictors of these trajectories. Methods: One hundred twenty-six adolescent girls (14.7 ± 1.3 years) were recruited during initial assessment visits at specialized eating disorder (ED) programs in five University Health Centers across the province of Quebec, Canada. z-BMI and AN symptom severity (food restriction and excessive exercise) were assessed at initial assessment visits and subsequently reassessed at each quarterly follow-up over a 12-month period to identify recovery trajectories. Results: Considering the three markers of remission, three distinct trajectories emerged: Group 1, rapid responders; Group 2, gradual responders; and Group 3, unstable responders. At initial visits, a difference between groups was found regarding the type of treatment (p = 0.01) and weight suppression (p = 0.02). Group 1 had a higher number of youths hospitalized than Group 2 and Group 3, and a greater weight suppression than Group 3. Furthermore, individuals with atypical AN were more likely to belong to Group 2 than to Group 1 and Group 3 (p < 0.0001). Conclusions: This study contributes to a better understanding of the heterogeneity of recovery trajectories in adolescent girls with AN.
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Affiliation(s)
- Alexandra Bédard
- Centre Nutrition, Santé et Société (NUTRISS), Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
| | - Catherine Bernard
- École de Psychologie, Université Laval, Québec, QC G1V 0A6, Canada; (C.B.); (L.D.)
| | - Dominique Meilleur
- Département de Psychologie, Université de Montréal, Montréal, QC H3C 3J7, Canada;
| | - Danielle Taddeo
- Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC H3T 1C5, Canada; (D.T.); (P.-O.N.); (J.-Y.F.); (C.S.)
| | - Caroline Pesant
- Hôpital Fleurimont, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC J1H 5H3, Canada;
| | - Giuseppina Di Meglio
- Hôpital de Montréal pour Enfants/Montreal Children’s Hospital, Centre Universitaire de Santé McGill, Montréal, QC H4A 3J1, Canada; (G.D.M.); (H.A.)
| | - Nathalie Gingras
- Centre de Pédopsychiatrie, Centre Intégré Universitaire de Santé et de Services Sociaux de la Capitale-Nationale, Québec, QC G1N 2W1, Canada;
- Département de Psychiatrie et de Neurosciences, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Isabelle Thibault
- Département de Psychoéducation, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada;
| | - Holly Agostino
- Hôpital de Montréal pour Enfants/Montreal Children’s Hospital, Centre Universitaire de Santé McGill, Montréal, QC H4A 3J1, Canada; (G.D.M.); (H.A.)
| | - Richard Bélanger
- Département de Pédiatrie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada;
- Centre Hospitalier Universitaire de Québec, Québec, QC G1V 4G2, Canada
| | - Pierre-Olivier Nadeau
- Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC H3T 1C5, Canada; (D.T.); (P.-O.N.); (J.-Y.F.); (C.S.)
| | - Jean-Yves Frappier
- Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC H3T 1C5, Canada; (D.T.); (P.-O.N.); (J.-Y.F.); (C.S.)
- Département de Pédiatrie, Faculté de Médecine, Université de Montréal, Montréal, QC H3T 1C5, Canada
| | - Chantal Stheneur
- Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC H3T 1C5, Canada; (D.T.); (P.-O.N.); (J.-Y.F.); (C.S.)
- Département de Pédiatrie, Faculté de Médecine, Université de Montréal, Montréal, QC H3T 1C5, Canada
| | - Laurie Dufresne
- École de Psychologie, Université Laval, Québec, QC G1V 0A6, Canada; (C.B.); (L.D.)
| | - Catherine Bégin
- Centre Nutrition, Santé et Société (NUTRISS), Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
- École de Psychologie, Université Laval, Québec, QC G1V 0A6, Canada; (C.B.); (L.D.)
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3
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Gilmartin T, Dipnall JF, Gurvich C, Sharp G. Identifying overcontrol and undercontrol personality types among young people using the five factor model, and the relationship with disordered eating behaviour, anxiety and depression. J Eat Disord 2024; 12:16. [PMID: 38267972 PMCID: PMC10809654 DOI: 10.1186/s40337-024-00967-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/07/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Overcontrol and undercontrol personality types have been associated with an increase in eating pathology, depression and anxiety. The aim of the research was to explore whether latent overcontrol and undercontrol personality types could be identified using cluster analysis of the facets of the five factor model (FFM). We further aimed to understand how these personality types were associated with eating pathology, depressed mood and anxiety. METHODS A total of 561 participants (394 women and 167 men), aged 16-30 years in Australia completed a survey designed to assess disordered eating, FFM personality traits, anxiety, depression and stress. A systematic four-step process using hierarchical, k-means, and random forest cluster analyses were used to identify a meaningful 3-cluster solution. RESULTS The results revealed a cluster solution that represented overcontrol, undercontrol and resilient personality types, and highlighted facets of the FFM that were associated with each type. Both overcontrol and undercontrol personality types were associated with increased clinical symptoms compared to the resilient types. CONCLUSIONS It was concluded that FFM facets may potentially be more meaningful than broad domains in identifying personality types, and that both overcontrol and undercontrol personality types are likely associated with increased clinical symptoms.
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Affiliation(s)
- Tanya Gilmartin
- Department of Neuroscience, Monash University and the Alfred Hospital, Melbourne, Australia.
| | - Joanna F Dipnall
- School of Public Health and Preventive Medicine, Monash University, Melbourne, 3004, Australia
- Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong, 3220, Australia
| | - Caroline Gurvich
- Department of Psychiatry, HER CENTRE Australia, Central Clinical School, Monash University, Melbourne, Australia
| | - Gemma Sharp
- Department of Neuroscience, Monash University and the Alfred Hospital, Melbourne, Australia
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Trolio V, Racine SE. Exploring latent profiles of disordered eating using an indicator of dietary restriction in an undergraduate sample of men and women. Int J Eat Disord 2023; 56:1603-1613. [PMID: 37158655 DOI: 10.1002/eat.23985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 04/20/2023] [Accepted: 04/26/2023] [Indexed: 05/10/2023]
Abstract
OBJECTIVE Latent class or latent profile analysis (LPA) studies in patients with eating disorders consistently identify a low-weight, restrictive eating subgroup that does not endorse weight/shape concerns. To date, similar studies in samples unselected for disordered eating symptoms have not identified a high restriction-low weight/shape concerns group, which may be due to a lack of inclusion of measures of dietary restriction. METHOD We conducted an LPA using data from 1623 college students (54% female) recruited across three different studies. The Eating Pathology Symptoms Inventory Body Dissatisfaction, Cognitive Restraint, Restricting, and Binge Eating subscales were used as indicators, and body mass index, gender, and dataset were covaried. Purging, excessive exercise, emotion dysregulation, and harmful alcohol use were compared across resulting clusters. RESULTS Fit indices supported a 10-class solution, including five disordered eating groups (largest to smallest): "Elevated General Disordered Eating", "Body Dissatisfied Binge Eating," "Most Severe General Disordered Eating," "Non-Body Dissatisfied Binge Eating," and "Non-Body Dissatisfied Restriction." The "Non-Body Dissatisfied Restriction" group scored as low on other measures of traditional eating pathology and harmful alcohol use as non-disordered eating groups but scored as high on a measure of emotion dysregulation as other disordered eating groups. DISCUSSION This study is the first to identify a latent restrictive eating group that does not endorse traditional disordered eating cognitions in an unselected sample of undergraduate students. Results underscore the importance of using measures of disordered eating behaviors without implied motivation to capture overlooked problematic eating patterns in the population that are distinct from our "traditional" understanding of disordered eating. PUBLIC SIGNIFICANCE We identified a group of individuals with high levels of restrictive eating but low body dissatisfaction and intent to diet in an unselected adult sample of men and women. Results underscore the need to investigate restrictive eating outside of the traditional lens of body shape concerns. Findings also suggest that individuals with nontraditional eating difficulties may struggle with emotion dysregulation, putting them at risk of poor psychological and relational outcomes.
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Affiliation(s)
- Vittoria Trolio
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Sarah E Racine
- Department of Psychology, McGill University, Montreal, Quebec, Canada
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Birgegård A, Mantilla EF, Breithaupt LE, Borg S, Sanzari CM, Padalecki S, Hedlund E, Bulik CM. Proposal for increasing diagnostic clarity in research and clinical practice by renaming and reframing atypical anorexia nervosa as "Restrictive Eating Disorder" (RED). Eat Behav 2023; 50:101750. [PMID: 37263139 DOI: 10.1016/j.eatbeh.2023.101750] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 04/25/2023] [Accepted: 05/18/2023] [Indexed: 06/03/2023]
Abstract
Atypical anorexia nervosa (AAN) in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5), is characterized by meeting all criteria for anorexia nervosa (AN) except for weight being within or above the "normal" range despite significant weight loss. The current definition is plagued by several problems, resulting in widely heterogeneous operationalizations in research and clinical practice. As such, the poorly defined diagnosis of AAN negatively impacts affected individuals and frustrates research attempts to better understand the syndrome. We consider conceptual flaws in the AAN description and contend that the undefined weight range and nature of weight loss renders these two factors functionally inapplicable in research and practice. They also represent a departure from the originally intended use of the AAN category, i.e., arresting a negative weight trajectory likely to result in AN, making the target population, and the application of the label, unclear. We propose revised criteria and a new name, restrictive eating disorder (RED), intended to reduce stigma and encompass a wide but better-defined range of presentations. The RED criteria focus on clinically significant restrictive behavior that disrupts normal living (i.e., impairment), and cognitive symptoms of overevaluation, disturbed experience, and lack of recognition of illness seriousness. We believe that RED may enable more appropriate clinical application, but also inspire coordinated research toward a more valid psychiatric nosology in the eating disorders field.
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Affiliation(s)
- Andreas Birgegård
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
| | - Emma Forsén Mantilla
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Lauren E Breithaupt
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA; Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Stina Borg
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Christina M Sanzari
- Department of Psychology, University at Albany, State University of New York, Albany, NY, USA; Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Sophie Padalecki
- Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Public Health, College of Arts and Sciences, Elon University, NC, USA
| | - Elin Hedlund
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Cynthia M Bulik
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Rohde J, Obbarius A, Voigt B, Sarrar L, Biesenthal-Matthes S, Kind CS, Rose M, Hofmann T. Differences and similarities in personality functioning across different types of eating disorders. Front Psychiatry 2023; 14:1155725. [PMID: 37324816 PMCID: PMC10267354 DOI: 10.3389/fpsyt.2023.1155725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/12/2023] [Indexed: 06/17/2023] Open
Abstract
Objective The classification of anorexia nervosa (AN) into subtypes is relevant due to their different symptomatology. However, subtypes (restricting type: AN-R; purging type: AN-P) differ also in terms of their personality functioning. Knowledge about these differences would allow for better treatment stratification. A pilot study indicated differences in structural abilities that can be assessed by the operationalized psychodynamic diagnosis (OPD) system. The aim of this study was therefore to systematically explore differences in personality functioning and personality between the two AN subtypes and bulimia nervosa (BN) using three personality (functioning) constructs. Methods A total of N = 110 inpatients with AN-R (n = 28), AN-P (n = 40), or BN (n = 42) were recruited in three clinics for psychosomatic medicine. Assignment to the three groups was performed using a comprehensive questionnaire validated for diagnostic purposes (Munich-ED-Quest). Personality functioning was examined using OPD Structure Questionnaire (OPD-SQ), personality by using the Personality Inventory for DSM-5-Brief Form and Big Five Inventory-10. (M)ANOVAs were used to examine differences across eating disorder groups. In addition, correlation and regression analyses were conducted. Results We observed differences on several sub- and main scales of the OPD-SQ. Whereas patients with BN showed the lowest levels, AN-R patients displayed the highest levels of personality functioning. On some sub- and main scales, such as "affect tolerance," the subtypes of AN differed from BN, whereas on the scale "affect differentiation," AN-R, differed from the other two groups. The total eating disorder pathology score of the Munich-ED-Quest best predicted overall personality structure [stand. β = 0.650; t(104) = 6.666; p < 0.001] and self-regulation [stand. β = 0.449; t(104) = 3.628; p < 0.001]. Discussion Our findings confirm most of the results of the pilot study. These findings can facilitate the development of stratified treatment approaches for eating disorders.
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Affiliation(s)
- Jens Rohde
- Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Alexander Obbarius
- Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Dornsife Center for Self-Report Science, University of Southern California, Los Angeles, CA, United States
| | - Barbara Voigt
- Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Lea Sarrar
- Department of Psychology, Faculty of Sciences, Medical School Berlin, Berlin, Germany
| | - Silke Biesenthal-Matthes
- Department of Psychosomatic Medicine and Psychotherapy, Gemeinschaftskrankenhaus Havelhöhe, Berlin, Germany
| | - Clara-Sophia Kind
- Department of Psychosomatic Medicine and Psychotherapy, Kliniken im Theodor-Wenzel-Werk, Berlin, Germany
| | - Matthias Rose
- Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Quantitative Health Sciences, Outcomes Measurement Science, University of Massachusetts Medical School, Worcester, MA, United States
| | - Tobias Hofmann
- Department of Psychosomatic Medicine, Center for Internal Medicine and Dermatology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Department of Psychosomatic Medicine and Psychotherapy, DRK Kliniken Berlin Wiegmann Klinik, Berlin, Germany
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Dufresne L, Meilleur D, Gingras N, Di Meglio G, Pesant C, Taddeo D, Nadeau PO, Bélanger R, Lavoie E, Thibault I, Agostino H, Stheneur C, Frappier JY, Bédard A, Bégin C. Personality heterogeneity in adolescents with anorexia nervosa: a factor-mixture analysis. CURRENT PSYCHOLOGY 2023. [DOI: 10.1007/s12144-022-04216-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Fusco G, Ciccarone S, Petrucci M, Cozzani B, Vercelli G, Cotugno A, Bufalari I. Altered processing of conflicting body representations in women with restrictive anorexia nervosa. PSYCHOLOGICAL RESEARCH 2023:10.1007/s00426-022-01788-3. [PMID: 36592180 DOI: 10.1007/s00426-022-01788-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 12/22/2022] [Indexed: 01/03/2023]
Abstract
Cognitive and affective impairments in processing body image have been observed in patients with Anorexia Nervosa (AN) and may induce the hypercontrolled and regulative behaviors observed in this disorder. Here, we aimed to probe the link between activation of body representations and cognitive control by investigating the ability to resolve body-related representational conflicts in women with restrictive AN and matched healthy controls (HC). Participants performed a modified version of the Flanker task in which underweight and overweight body images were presented as targets and distractors; a classic version of the task, with letters, was also administered as a control. The findings indicated that performance was better among the HC group in the task with bodies compared to the task with letters; however, no such facilitation was observed in AN patients, whose overall performance was poorer than that of the HC group in both tasks. In the task with body stimuli, performance among patients with AN was the worst on trials presenting underweight targets with overweight bodies as flankers. These results may reflect a dysfunctional association between the processing of body-related representations and cognitive control mechanisms that may aid clinicians in the development of optimal individualized treatments.
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Affiliation(s)
- Gabriele Fusco
- Department of Psychology, Istituto Italiano di Tecnologia, "Sapienza" University of Rome and CLN2S@SAPIENZA, Rome, Italy.
- IRCCS Santa Lucia Foundation, Rome, Italy.
| | - S Ciccarone
- Department of Psychology, Istituto Italiano di Tecnologia, "Sapienza" University of Rome and CLN2S@SAPIENZA, Rome, Italy
- IRCCS Santa Lucia Foundation, Rome, Italy
| | - M Petrucci
- Scuola di Psicoterapia Cognitiva S.r.l., Rome, Italy
- Department of Human Sciences, Guglielmo Marconi University, Rome, Italy
| | - B Cozzani
- Eating Disorders Unit, Department of Psychiatry, ASL Roma1, Rome, Italy
| | - G Vercelli
- Department of Developmental and Social Psychology, "Sapienza" University of Rome, Rome, Italy
| | - A Cotugno
- Eating Disorders Unit, Department of Psychiatry, ASL Roma1, Rome, Italy
| | - I Bufalari
- Department of Developmental and Social Psychology, "Sapienza" University of Rome, Rome, Italy
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Henn AT, Borgers T, Vocks S, Giabbiconi CM, Hartmann AS. Visualizing Emotional Arousal within the Context of Body Size Evaluation: A Pilot Study of Steady-State Visual Evoked Potentials in Women with Anorexia Nervosa and Healthy Controls. Body Image 2022; 40:78-91. [PMID: 34871831 DOI: 10.1016/j.bodyim.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023]
Abstract
Maladaptive body size evaluation processes and body dissatisfaction are known as central risk factors for the development and maintenance of anorexia nervosa (AN). This study aimed to experimentally test potential key facets, such as (psycho)physiological, cognitive-verbal and behavioral mechanisms, within the context of these evaluation processes. Twenty-two females with AN (AN-G) and 22 healthy controls (HC-G) looked at pictures of their body gradually increasing in weight using a morphing technique. Implicit emotional arousal was assessed using steady-state visual evoked potentials (SSVEP) in electroencephalography. Additionally, in a forced-choice body size evaluation task, participants were asked to classify pictures of their own body as not big or big while reaction times were captured. A significantly earlier increase in SSVEPs emerged in AN-G compared to HC-G (p <.05), with AN-G evaluating their bodies in the morphing process as big at a significantly thinner body size (p <.05). The AN-G showed faster reaction times in the categorical evaluation of body stimuli (p <.05). Findings from this multimodal paradigm underline the importance of body size evaluation mechanisms and underlying emotional arousal for AN. A differentiated understanding of these processes is essential, since the effectiveness of therapeutic interventions for AN is limited and relapses are frequent.
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Affiliation(s)
- Alina T Henn
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, RWTH Aachen University, Pauwelsstr. 30, 52074 Aachen, Germany; Affiliation when study was conducted: Department of Clinical Psychology and Psychotherapy, Osnabrück University, Knollstraße 15, 49069 Osnabrück, Germany.
| | - Tiana Borgers
- Affiliation when study was conducted: Department of Clinical Psychology and Psychotherapy, Osnabrück University, Knollstraße 15, 49069 Osnabrück, Germany; Institute for Translational Psychiatry, University of Münster, Germany, Albert-Schweitzer-Campus 1, 48149 Münster, Germany.
| | - Silja Vocks
- Department of Clinical Psychology and Psychotherapy, Osnabrück University, Knollstraße 15, 49069 Osnabrück, Germany.
| | - Claire-Marie Giabbiconi
- Department of Clinical Psychology and Psychotherapy, Osnabrück University, Knollstraße 15, 49069 Osnabrück, Germany.
| | - Andrea S Hartmann
- Affiliation when study was conducted: Department of Clinical Psychology and Psychotherapy, Osnabrück University, Knollstraße 15, 49069 Osnabrück, Germany; Department of Experimental Clinical Psychology, University of Konstanz, Universitaetsstrasse 10, 78464 Konstanz, Germany.
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Schnepper R, Richard A, Georgii C, Arend AK, Naab S, Voderholzer U, Wilhelm FH, Blechert J. Bad mood food? Increased versus decreased food cue reactivity in anorexia nervosa and bulimia nervosa during negative emotions. EUROPEAN EATING DISORDERS REVIEW 2021; 29:756-769. [PMID: 34176193 DOI: 10.1002/erv.2849] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 04/02/2021] [Accepted: 05/31/2021] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Emotion regulation difficulties in anorexia nervosa (AN) and bulimia nervosa (BN) might underlie bingeing and purging in BN, extreme fasting in AN, or combinations of these symptoms in binge-purge type AN. In this study, we tested for decreased food cue reactivity in response to negative emotions in AN, and the opposite pattern for BN. Furthermore, we explored subgroup differences (restrictive vs. binge-purging AN; history of AN in BN). METHOD Patients with AN (n = 41), BN (n = 39), and matched controls (n = 70) completed an emotional eating questionnaire. In a laboratory experiment, we induced negative emotions and measured food cue reactivity (pleasantness, desire to eat (DTE), and corrugator muscle activity). RESULTS AN reported emotional undereating, while BN reported emotional overeating. In the laboratory task, BN showed increased DTE and an appetitive corrugator response during negative emotions, selectively towards high-calorie foods. AN showed generalized reduced cue reactivity to high-calorie food regardless of emotional state. This pattern appears to be characteristic of restrictive AN, while cue reactivity of both BN subgroups pointed towards emotional overeating. CONCLUSIONS The emotional over- versus undereating framework might help to explain bingeing and restricting along the anorectic-bulimic disorder spectrum, which calls for novel transdiagnostic theories and subgroup-specific treatments.
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Affiliation(s)
- Rebekka Schnepper
- Department of Psychology, Division of Health Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria
| | - Anna Richard
- Schoen Clinic Roseneck, Prien am Chiemsee, Germany
| | - Claudio Georgii
- Department of Psychology, Division of Health Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria
| | - Ann-Kathrin Arend
- Department of Psychology, Division of Health Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria
| | - Silke Naab
- Schoen Clinic Roseneck, Prien am Chiemsee, Germany
| | - Ulrich Voderholzer
- Schoen Clinic Roseneck, Prien am Chiemsee, Germany.,Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany.,Department of Psychiatry and Psychotherapy, University Hospital of Freiburg, Freiburg, Germany
| | - Frank H Wilhelm
- Department of Psychology, Division of Clinical Psychology and Psychopathology, Paris-Lodron-University of Salzburg, Salzburg, Austria
| | - Jens Blechert
- Department of Psychology, Division of Health Psychology, Paris-Lodron-University of Salzburg, Salzburg, Austria
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11
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Jennings KM, Bodell LP, Crosby RD, Haynos AF, Wildes JE. Mixture Modeling to Characterize Anorexia Nervosa: Integrating Personality and Eating Disorder Psychopathology. J Am Psychiatr Nurses Assoc 2021; 27:231-239. [PMID: 31291805 PMCID: PMC7081379 DOI: 10.1177/1078390319862029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND: Efforts to examine alternative classifications (e.g., personality) of anorexia nervosa (AN) using empirical techniques are crucial to elucidate diverse symptom presentations, personality traits, and psychiatric comorbidities. AIMS: The purpose of this study was to use an empirical approach (mixture modeling) to test an alternative classification of AN as categorical, dimensional, or hybrid categorical-dimensional construct based on the co-occurrence of personality psychopathology and eating disorder clinical presentation. METHODS: Patients with AN (N = 194) completed interviews and questionnaires at treatment admission and 3-month follow-up. Mixture modeling was used to test whether indicators best classified AN as categorical, dimensional, or hybrid. RESULTS: A four-latent class, one-latent dimension mixture model that was variant across groups provided the best fit to the data. Results suggest that all classes were characterized by low self-esteem and self-harming and suicidality tendencies. Individuals assigned to Latent Class 2 (LC2; n = 21) had a greater tendency toward being impulsive and easily angered and having difficulties controlling anger compared with those in LC1 (n = 84) and LC3 (n = 66). Moreover, individuals assigned to LC1 and LC3 were more likely to have a poor outcome from intensive treatment compared with those in LC4 (n = 21). Findings indicate that the dimensional aspect within each class measured frequency of specific eating disorder behaviors but did not predict treatment outcomes. CONCLUSIONS: These results emphasize the complexity of AN and the importance of considering how facets of clinical presentation beyond eating disorder behaviors may have different treatment and prognostic implications.
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Affiliation(s)
- Karen M Jennings
- Karen M. Jennings, PhD, RN, PMHNP-BC, University of Rhode Island, Providence, RI, USA
| | - Lindsay P Bodell
- Lindsay P. Bodell, PhD, Western University, London, Ontario, Canada
| | - Ross D Crosby
- Ross D. Crosby, PhD, Neuropsychiatric Research Institute, Fargo, ND, USA
| | - Ann F Haynos
- Ann F. Haynos, PhD, University of Minnesota, Minneapolis, MN, USA
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12
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Behrens SC, Meneguzzo P, Favaro A, Teufel M, Skoda EM, Lindner M, Walder L, Quiros Ramirez A, Zipfel S, Mohler B, Black M, Giel KE. Weight bias and linguistic body representation in anorexia nervosa: Findings from the BodyTalk project. EUROPEAN EATING DISORDERS REVIEW 2020; 29:204-215. [PMID: 33252835 DOI: 10.1002/erv.2812] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/17/2020] [Accepted: 11/01/2020] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study provides a comprehensive assessment of own body representation and linguistic representation of bodies in general in women with typical and atypical anorexia nervosa (AN). METHODS In a series of desktop experiments, participants rated a set of adjectives according to their match with a series of computer generated bodies varying in body mass index, and generated prototypic body shapes for the same set of adjectives. We analysed how body mass index of the bodies was associated with positive or negative valence of the adjectives in the different groups. Further, body image and own body perception were assessed. RESULTS In a German-Italian sample comprising 39 women with AN, 20 women with atypical AN and 40 age matched control participants, we observed effects indicative of weight stigmatization, but no significant differences between the groups. Generally, positive adjectives were associated with lean bodies, whereas negative adjectives were associated with obese bodies. DISCUSSION Our observations suggest that patients with both typical and atypical AN affectively and visually represent body descriptions not differently from healthy women. We conclude that overvaluation of low body weight and fear of weight gain cannot be explained by generally distorted perception or cognition, but require individual consideration.
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Affiliation(s)
- Simone Claire Behrens
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Tübingen, Germany.,Max Planck Institute for Intelligent Systems, Tübingen, Germany
| | - Paolo Meneguzzo
- Department of Neuroscience, University of Padova, Padova, Italy
| | - Angela Favaro
- Department of Neuroscience, University of Padova, Padova, Italy.,Padova Neuroscience Center, University of Padova, Padova, Italy
| | - Martin Teufel
- Clinic for Psychosomatic Medicine and Psychotherapy, University of Duisburg-Essen, LVR University-Hospital Essen, Essen, Germany
| | - Eva-Maria Skoda
- Clinic for Psychosomatic Medicine and Psychotherapy, University of Duisburg-Essen, LVR University-Hospital Essen, Essen, Germany
| | - Marion Lindner
- Clinic for Psychosomatic Medicine and Psychotherapy, University of Duisburg-Essen, LVR University-Hospital Essen, Essen, Germany
| | - Lukas Walder
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Tübingen, Germany
| | - Alejandra Quiros Ramirez
- Max Planck Institute for Intelligent Systems, Tübingen, Germany.,Psychology Department, University of Konstanz, Konstanz, Germany
| | - Stephan Zipfel
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Tübingen, Germany
| | - Betty Mohler
- Max Planck Institute for Intelligent Systems, Tübingen, Germany
| | - Michael Black
- Max Planck Institute for Intelligent Systems, Tübingen, Germany
| | - Katrin E Giel
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Tübingen, Germany
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13
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Korn J, Vocks S, Rollins LH, Thomas JJ, Hartmann AS. Fat-Phobic and Non-Fat-Phobic Anorexia Nervosa: A Conjoint Analysis on the Importance of Shape and Weight. Front Psychol 2020; 11:90. [PMID: 32082227 PMCID: PMC7005216 DOI: 10.3389/fpsyg.2020.00090] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 01/13/2020] [Indexed: 11/30/2022] Open
Abstract
With the introduction of new diagnostic criteria in DSM-5, fear of weight gain no longer represents a sine qua non-criterion for the diagnosis of anorexia nervosa (AN). This is of relevance as a subgroup of individuals with AN denies fear of weight gain as the reason for restrictive eating but still remain at a very low weight. As self-reports are susceptible to bias, other methods are needed to confirm the existence of the subtype in order to provide adapted treatment. Therefore, we aimed to measure fear of weight gain using a novel method in clinical psychology, the conjoint analysis (CA). Relative importance and preference scores for various life aspects, including appearance/shape and weight were assessed in women with fat-phobic AN (FP-AN, n = 30), NFP-AN (n = 7), and healthy controls (n = 29). Individuals with FP-AN showed a significant lower preference for weight gain versus weight maintenance than HC (p = 0.011, ηp2 = 0.107). Correlation between explicitly assessed drive for thinness and CA score was low. As expected, in FP-AN the explicitly endorsed fear of weight gain was confirmed by the marked preference for weight maintenance compared to HC, while for NFP-AN explicit and implicit measures diverged, indicating that against their self-report they may experience at least some fear of weight gain. The utility of CA as a tool to measure fear of weight gain — and potentially other psychopathological constructs —requires further confirmation.
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Affiliation(s)
- Julia Korn
- Department of Psychiatry and Psychology, Universität zu Lübeck, Lübeck, Germany
| | - Silja Vocks
- Department of Psychology, University of Osnabrück, Osnabrück, Germany
| | - Lisa H Rollins
- Department of Psychology, University of Osnabrück, Osnabrück, Germany
| | - Jennifer J Thomas
- Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Andrea S Hartmann
- Department of Psychology, University of Osnabrück, Osnabrück, Germany
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14
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Bodell LP, Cheng Y, Wildes JE. Psychological Impairment as a Predictor of Suicide Ideation in Individuals with Anorexia Nervosa. Suicide Life Threat Behav 2019; 49:520-528. [PMID: 29578246 PMCID: PMC6158119 DOI: 10.1111/sltb.12459] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 01/01/2018] [Indexed: 11/26/2022]
Abstract
Anorexia nervosa (AN) is an eating disorder characterized by severe food restriction resulting in low body weight and an intense fear of gaining weight. This disorder has one of the highest suicide rates of any psychiatric illness; however, few studies have investigated prospective predictors of suicide ideation (SI) in this population. Quality-of-life impairment may be particularly relevant for understanding suicide risk in AN, given associations with SI in other psychiatric disorders and associations with chronicity and severity in AN. This study explored associations between eating disorder-related impairment and SI in individuals with AN (n = 113) who completed assessments at treatment discharge and 3, 6, and 12 months after discharge. Greater psychological impairment predicted future occurrence of SI controlling for age, depression, history of SI, and eating disorder variables. Associations were specific to psychological impairment as other domains of impairment did not predict SI over time. Findings highlight the potential importance of targeting interpersonal-psychological consequences of AN to decrease future suicide risk.
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15
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Medication in AN: A Multidisciplinary Overview of Meta-Analyses and Systematic Reviews. J Clin Med 2019; 8:jcm8020278. [PMID: 30823566 PMCID: PMC6406645 DOI: 10.3390/jcm8020278] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/19/2019] [Accepted: 02/20/2019] [Indexed: 12/12/2022] Open
Abstract
Drugs are widely prescribed for anorexia nervosa in the nutritional, somatic, and psychiatric fields. There is no systematic overview in the literature, which simultaneously covers all these types of medication. The main aims of this paper are (1) to offer clinicians an overview of the evidence-based data in the literature concerning the medication (psychotropic drugs and medication for somatic and nutritional complications) in the field of anorexia nervosa since the 1960s, (2) to draw practical conclusions for everyday practise and future research. Searches were performed on three online databases, namely MEDLINE, Epistemonikos and Web of Science. Papers published between September 2011 and January 2019 were considered. Evidence-based data were identified from meta-analyses, if there were none, from systematic reviews, and otherwise from trials (randomized or if not open-label studies). Evidence-based results are scarce. No psychotropic medication has proved efficacious in terms of weight gain, and there is only weak data suggesting it can alleviate certain psychiatric symptoms. Concerning nutritional and somatic conditions, while there is no specific, approved medication, it seems essential not to neglect the interest of innovative therapeutic strategies to treat multi-organic comorbidities. In the final section we discuss how to use these medications in the overall approach to the treatment of anorexia nervosa.
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16
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Berona J, Richmond R, Rienecke RD. Heterogeneous weight restoration trajectories during partial hospitalization treatment for anorexia nervosa. Int J Eat Disord 2018; 51:914-920. [PMID: 30058155 DOI: 10.1002/eat.22922] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 06/12/2018] [Accepted: 06/12/2018] [Indexed: 02/06/2023]
Abstract
UNLABELLED Early response to treatment has been shown to predict good outcome in family-based treatment, but little is known about who responds quickly. OBJECTIVE The purpose of the current study was to examine the short-term weight gain trajectories among youth receiving partial hospitalization program services for anorexia nervosa (AN), and to identify predictors of these trajectories. METHOD Adolescent and young adults (n = 102) with AN or subthreshold AN completed semi-structured interviews and self-report measures on admission to a family-based partial hospitalization program. Patients participated in programming 5 days a week. RESULTS Three weight gain trajectories were found to indicate slow, moderate, and rapid weight gain trajectories. All rapid responders gained at least four lbs. in the first 4 weeks of treatment, compared to 86.1% of moderate responders and 51.2% of slow responders. Patients were less likely to have a moderate or rapid response trajectory if they had a mood disorder diagnosis and higher parental expressed emotion. Additionally, the presence of compensatory behavior increased the likelihood of having a rapid response. DISCUSSION Despite the sometimes chronic nature of AN, most patients fell into one of the two favorable response trajectories. The identification of these trajectories underscores the importance of considering the core disordered eating behaviors (i.e., restricting, binge eating, and purging), comorbid psychopathology, and parental expressed emotion.
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Affiliation(s)
- Johnny Berona
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, Illinois
| | - Rebekah Richmond
- MUSC Friedman Center for Eating Disorders, Medical University of South Carolina, Charleston, South Carolina
| | - Renee D Rienecke
- Department of Pediatrics, Medical University of South Carolina, Charleston, South Carolina.,Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina.,Department of Psychiatry, University of Michigan, Ann Arbor, Michigan
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17
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Boyd HK, Bodell LP, Jennings KM, Graham AK, Crosby RD, Wildes JE. Relationship between desired weight constructs and eating disorder severity following treatment for anorexia nervosa. Int J Eat Disord 2018; 51:870-878. [PMID: 29734468 PMCID: PMC6222021 DOI: 10.1002/eat.22879] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 04/13/2018] [Accepted: 04/14/2018] [Indexed: 11/08/2022]
Abstract
BACKGROUND Desired weight is an indicator of illness severity in youth with anorexia nervosa (AN), but its impact on eating disorder symptoms over time and in adults is unknown. This study examined longitudinal associations between two desired weight constructs (desired weight percentage, weight difference percentage) and eating disorder severity and body mass index (BMI) in patients aged 16-62 years old with AN presenting for inpatient or day hospital treatment. METHOD Participants (N = 160) completed the Eating Disorder Examination and measures of height and weight at treatment admission, discharge, and 3, 6, and 12 months post-discharge. Desired weight percentage was calculated as [desired BMI(desired weight in kg/height in meters2 )/healthy BMI] × 100. weight difference percentage was calculated as [(actual weight-desired weight)/actual weight] × 100. RESULTS At admission, participants were approximately 78.6% of a healthy BMI and desired to be 81% of a healthy BMI. During the year following treatment, participants were 89% of a healthy BMI, but wanted to be 86% of a healthy BMI. Individuals with lower desired weight percentage (wanting to be a lower percentage of a healthy BMI) or higher weight difference percentage (wanting to lose a larger percentage of weight) at treatment admission endorsed greater eating disorder severity across time. Additionally, individuals with higher desired weight percentage or weight difference percentage had higher BMIs at intake, and greater increases in BMI over time. DISCUSSION Results highlight that desired weight constructs represent correlates of illness severity in AN and may inform an individual's likely weight trajectory during and after treatment.
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Affiliation(s)
- Hope K. Boyd
- University of Chicago, Department of Psychiatry and Behavioral Neuroscience
| | - Lindsay P. Bodell
- University of Chicago, Department of Psychiatry and Behavioral Neuroscience
| | - Karen M. Jennings
- University of Chicago, Department of Psychiatry and Behavioral Neuroscience
| | - Andrea K. Graham
- University of Chicago, Department of Psychiatry and Behavioral Neuroscience
| | - Ross D. Crosby
- Neuropsychiatric Research Institute,University of North Dakota School of Medicine and Health Sciences, Department of Psychiatry and Behavioral Science
| | - Jennifer E. Wildes
- University of Chicago, Department of Psychiatry and Behavioral Neuroscience
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18
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Forbush KT, Chen PY, Hagan KE, Chapa DAN, Gould SR, Eaton NR, Krueger RF. A new approach to eating-disorder classification: Using empirical methods to delineate diagnostic dimensions and inform care. Int J Eat Disord 2018; 51:710-721. [PMID: 30132954 DOI: 10.1002/eat.22891] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 05/10/2018] [Accepted: 05/14/2018] [Indexed: 02/01/2023]
Abstract
OBJECTIVE Despite changes to the diagnostic criteria for eating disorders (EDs) in the DSM-5, the current diagnostic system for EDs has limited ability to inform treatment planning and predict outcomes. Our objective was to test the clinical utility of a novel dimensional approach to understanding the structure of ED psychopathology. METHOD Participants (N = 243; 82.2% women) were community-recruited adults with a DSM-5 ED assessed at baseline, 6-month, and 1-year follow-up. Hierarchical factor analysis was used to identify a joint hierarchical-dimensional structure of eating, mood, and anxiety symptoms. Exploratory structural equation modeling was used to test the ability of the dimensional model to predict outcomes. RESULTS At the top of the hierarchy, we identified a broad Internalizing factor that reflected diffuse symptoms of eating, mood, and anxiety disorders. Internalizing branched into three subfactors: distress, fear-avoidance (fears of certain stimuli and behaviors to neutralize fears, including ED behaviors designed to reduce fear of weight gain), and body dissatisfaction, which was nested within distress. The lowest level of the hierarchy was characterized by 15 factors. The hierarchical model predicted 60.1% of the variance in outcomes at 6-month follow-up, whereas all DSM eating, mood, and anxiety disorders combined predicted 35.8% of the variance in outcomes. DISCUSSION A dimensional approach to understanding and diagnosing EDs improved the ability to prospectively predict clinical course above-and-beyond the traditional categorical (DSM-based) approach. Our findings have implications for endeavors to improve the prediction of ED prognosis and course, and to develop more effective trans-diagnostic treatments.
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Affiliation(s)
- Kelsie T Forbush
- Department of Psychology, University of Kansas, Lawrence, Kansas
| | - Po-Yi Chen
- Department of Psychology, University of Kansas, Lawrence, Kansas
| | - Kelsey E Hagan
- Department of Psychology, University of Kansas, Lawrence, Kansas
| | | | - Sara R Gould
- Division of Pediatrics, Children's Mercy-Kansas City Kansas City, Kansas
| | - Nicholas R Eaton
- Department of Psychology, Stony Brook University, Stony Brook, New York
| | - Robert F Krueger
- Department of Psychology, University of Minnesota, Minneapolis, Minnesota
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19
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Reas DL, Rø Ø. Less symptomatic, but equally impaired: Clinical impairment in restricting versus binge-eating/purging subtype of anorexia nervosa. Eat Behav 2018; 28:32-37. [PMID: 29310054 DOI: 10.1016/j.eatbeh.2017.12.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 12/18/2017] [Accepted: 12/28/2017] [Indexed: 12/23/2022]
Abstract
OBJECTIVE This study investigated subtype differences in eating disorder-specific impairment in a treatment-seeking sample of individuals with anorexia nervosa (AN). METHOD The Clinical Impairment Assessment (CIA) and the Eating Disorder Examination-Questionnaire (EDE-Q) were administered to 142 patients. Of these, 54.9% were classified as restricting type (AN-R) and 45.1% were classified as binge-eating/purging type (AN-B/P) based on an average weekly occurrence of binge eating and/or purging episodes (≥4 episodes/28days). RESULTS Individuals with AN-B/P exhibited higher levels of core ED psychopathology (dietary restraint, eating concern, shape/weight concerns) in addition to the expected higher frequency of binge/purge episodes. No significant differences existed between AN subtypes in the severity of ED-related impairment. Weight/shape concerns and binge eating frequency significantly predicted level of impairment. Differential associations were observed between the type of ED pathology that significantly contributed to impairment according to AN subtype. DISCUSSION Although those with AN-B/P displayed higher levels of core attitudinal and behavioral ED pathology than AN-R, no significant differences in ED-specific impairment were found between AN subtypes. Eating disorder-related impairment in AN was not related to the severity of underweight or purging behaviors, but was uniquely and positively associated with weight/shape concerns and binge eating frequency.
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Affiliation(s)
- Deborah Lynn Reas
- Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Norway; Department of Psychology, Faculty of Social Sciences, University of Oslo, Norway.
| | - Øyvind Rø
- Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway
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20
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Murray HB, Coniglio K, Hartmann AS, Becker AE, Eddy KT, Thomas JJ. Are eating disorders "all about control?" The elusive psychopathology of nonfat phobic presentations. Int J Eat Disord 2017; 50:1306-1312. [PMID: 28963796 DOI: 10.1002/eat.22779] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 09/01/2017] [Accepted: 09/03/2017] [Indexed: 11/12/2022]
Abstract
OBJECTIVE There are a subset of individuals with eating disorders (EDs) who do not overevaluate body shape/weight (i.e., nonfat phobic ED; NFP-ED). According to the transdiagnostic cognitive-behavioral conceptualization of EDs, a need for control, in general, is hypothesized as the core psychopathology of NFP-EDs, with shape- and weight-related motivations for ED behavior merely superimposed in FP-ED presentations. This study tested the need for control as motivation for restriction in NFP-ED, using items aimed at assessing control from the Eating Disorder Examination (EDE) Restraint scale. METHOD Females ages 13-27 years consecutively admitted to residential treatment completed the EDE, Eating Disorder Inventory-3 Drive for Thinness subscale (EDI-DFT), and other self-report measures of psychopathology. We included patients with DSM-5 EDs, but excluded patients with avoidant/restrictive food intake disorder. Twenty participants had NFP-ED (≤14 on EDI-DFT) and 124 had fatphobic ED (FP-ED; >14 on EDI-DFT). RESULTS NFP-ED scored significantly lower than FP-ED on EDE Restraint scale shape/weight [χ2 (1) = 10.73-35.62, p's < .01] and on control items [χ2 (1) = 10.72-20.62, p's < .01], in addition to scoring lower on measures of general psychopathology and impairment. DISCUSSION Findings suggest those with NFP-ED report lower psychopathology overall and the new EDE Restraint scale control items do not capture additional motivation for restriction beyond that captured in the original Restraint scale shape/weight items. Future research should examine whether this latter finding is due to a minimizing response style in NFP-ED, an incomplete capture of desire for control by the EDE assessment method, or indeed reflects that need for control does not motivate restriction in NFP-EDs.
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Affiliation(s)
- Helen B Murray
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Psychology, Drexel University, 3141 Chestnut Street, Stratton Hall 119, Philadelphia, Pennsylvania, 19104
| | - Kathryn Coniglio
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, 02114
| | - Andrea S Hartmann
- Department of Psychiatry, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, 02115.,Osnabrück University, Knollstr. 15, Osnabrück, 49076, Germany
| | - Anne E Becker
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Psychiatry, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, 02115.,Department of Global Health and Social Medicine, Harvard Medical School, 641 Huntington Avenue, Boston, Massachusetts, 02115
| | - Kamryn T Eddy
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Psychiatry, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, 02115
| | - Jennifer J Thomas
- Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Psychiatry, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, 02115
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21
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Forbush KT, Wildes JE. Application of structural equation mixture modeling to characterize the latent structure of eating pathology. Int J Eat Disord 2017; 50:542-550. [PMID: 27862148 DOI: 10.1002/eat.22634] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 09/06/2016] [Accepted: 09/08/2016] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Several theoretical models describe the structure of eating disorders (EDs), and a burgeoning empirical literature has sought to identify whether eating pathology is conceptualized best as categorical (presence or absence of disorder), dimensional (continuous), or a hybrid of categories and dimensions. METHODS This study used structural equation mixture modeling (SEMM) to identify the latent structure of EDs. Items from the Eating Pathology Symptoms Inventory (EPSI) were administered to individuals with EDs (N = 344). Select EPSI scales and body mass index were indicators in subsequent SEMM analyses. The Inventory of Depression and Anxiety Symptoms (IDAS), ED diagnoses, and select demographic variables were used as validators using chi-square or MANOVA. RESULTS Categorical models fit the data better than latent dimensional or hybrid models. Latent profile 1 (LP1) was non-fat-phobic restricting anorexia nervosa; LP2, an obese, binge-eating class; LP3, non-purging bulimia nervosa; LP4, fat-phobic restricting anorexia nervosa; and LP5, multiple purging bulimia nervosa. External validation analyses indicated that LP4 and LP5 had the highest non-ED-related psychopathology. DISCUSSION These findings indicate that there is substantial variability in the phenomenology of traditional DSM-based ED categories across latent profiles, and highlight the salience of certain ED phenotypes that have been debated in the literature. © 2016 Wiley Periodicals, Inc.(Int J Eat Disord 2017; 50:542-550).
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Affiliation(s)
| | - Jennifer E Wildes
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, Illinois
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22
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Wildes JE, Forbush KT, Hagan KE, Marcus MD, Attia E, Gianini LM, Wu W. Characterizing severe and enduring anorexia nervosa: An empirical approach. Int J Eat Disord 2017; 50:389-397. [PMID: 27991694 PMCID: PMC5386793 DOI: 10.1002/eat.22651] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 11/11/2016] [Accepted: 11/11/2016] [Indexed: 11/07/2022]
Abstract
Targeted approaches for the treatment of severe and enduring anorexia nervosa (SE-AN) have been recommended, but there is no consensus definition of SE-AN to inform research and clinical practice. This study aimed to take initial steps toward developing an empirically based definition of SE-AN by characterizing associations among putative indicators of severity and chronicity in eating disorders. Patients with AN (N = 355) completed interviews and questionnaires at treatment admission and discharge; height and weight were assessed to calculate body mass index (BMI). Structural equation mixture modeling was used to test whether associations among potential indicators of SE-AN (illness duration, treatment history, BMI, binge eating, purging, quality-of-life) formed distinct subgroups, a single group with one or more dimensions, or a combination of subgroups and dimensions. A three-factor (dimensional), two-profile (categorical) mixture model provided the best fit to the data. Factor 1 included eating disorder behaviors; Factor 2 comprised quality-of-life domains; Factor 3 was characterized by illness duration, number of hospitalizations, and admission BMI. Profiles differed on eating disorder behaviors and quality-of-life, but not on indicators of chronicity or BMI. Factor scores, but not profile membership, predicted outcome at discharge from treatment. Data suggest that patients with AN can be classified on the basis of eating disorder behaviors and quality-of-life, but there was no evidence for a chronic subgroup of AN. Rather, indices of chronicity varied dimensionally within each class. Given that current definitions of SE-AN rely on illness duration, these findings have implications for research and clinical practice.
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Affiliation(s)
- Jennifer E. Wildes
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL, USA
| | | | - Kelsey E. Hagan
- Department of Psychology, University of Kansas, Lawrence, KS, USA
| | - Marsha D. Marcus
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Evelyn Attia
- Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York, NY, USA
| | - Loren M. Gianini
- Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York, NY, USA
| | - Wei Wu
- Department of Psychology, University of Kansas, Lawrence, KS, USA
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23
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Forbush KT, Siew CSQ, Vitevitch MS. Application of network analysis to identify interactive systems of eating disorder psychopathology. Psychol Med 2016; 46:2667-2677. [PMID: 27387196 DOI: 10.1017/s003329171600012x] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Traditional approaches for the classification of eating disorders (EDs) attribute symptoms to an underlying, latent disease entity. The network approach is an alternative model in which mental disorders are represented as networks of interacting, self-reinforcing symptoms. This project was the first to use network analysis to identify interconnected systems of ED symptoms. METHOD Adult participants (n = 143; 77.6% women) with a Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) ED were recruited from the community to take part in a larger ongoing longitudinal study. The Structured Clinical Interview for DSM Disorders (SCID-I) was used to establish diagnoses. An undirected network of ED symptoms was created using items from the Eating Pathology Symptoms Inventory (EPSI) and the R package qgraph. RESULTS Body checking emerged as the strongest and most important single symptom in the entire network by having the shortest average distance to other symptoms in the network, and by being the most frequent symptom on the path between any two other symptoms. Feeling the need to exercise every day and two symptoms assessing dietary restraint/restricting emerged as 'key players', such that their removal from the network resulted in maximal fracturing of the network into smaller components. CONCLUSIONS Although cognitive-behavioral therapy for EDs focuses on reducing body checking to promote recovery, our data indicate that amplified efforts to address body checking may produce stronger (and more enduring) effects. Finally, results of the 'key players analysis' suggested that targeting interventions at these key nodes might prevent or slow the cascade of symptoms through the 'network' of ED psychopathology.
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Affiliation(s)
- K T Forbush
- Department of Psychology,University of Kansas,Lawrence,KS 66045,USA
| | - C S Q Siew
- Department of Psychology,University of Kansas,Lawrence,KS 66045,USA
| | - M S Vitevitch
- Department of Psychology,University of Kansas,Lawrence,KS 66045,USA
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Goldschmidt AB, Accurso EC, O’Brien S, Fitzpatrick KK, Lock JD, Grange DL. The importance of loss of control while eating in adolescents with purging disorder. Int J Eat Disord 2016; 49:801-4. [PMID: 26969189 PMCID: PMC5318997 DOI: 10.1002/eat.22525] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 02/04/2016] [Accepted: 02/05/2016] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Although many individuals with purging disorder (PD) report loss of control (LOC) eating, it is unclear whether they differ from those who do not, or from other eating disorders involving purging and/or LOC. METHOD We compared PD with LOC (PD-LOC), PD without LOC (PD-noLOC), bulimia nervosa (BN), and anorexia nervosa-binge/purge subtype (AN-B/P) on measures of eating-related and general psychopathology in treatment-seeking adolescents. RESULTS PD-LOC comprised ∼30% of PD diagnoses. PD-LOC and PD-noLOC did not differ from one another, or from BN and AN-B/P, on most measures of psychopathology, with some exceptions. PD-noLOC was similar to AN-B/P (p = 0.99) and significantly different from BN on eating concerns (p < 0.001), while PD-LOC was similar to BN, AN-B/P, and PD-noLOC on this measure (ps ≥ 0.06). PD-LOC reported higher self-esteem than BN, AN-B/P, and PD-noLOC (ps < 0.001). DISCUSSION PD was largely similar to other eating disorders characterized by purging, regardless of whether LOC eating was present. © 2016 Wiley Periodicals, Inc. (Int J Eat Disord 2016; 49:801-804).
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Affiliation(s)
- Andrea B. Goldschmidt
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL, USA
| | - Erin C. Accurso
- Department of Psychiatry, University of California, San Francisco, San Francisco, California, USA
| | - Setareh O’Brien
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL, USA
| | | | - James D. Lock
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, USA
| | - Daniel Le Grange
- Department of Psychiatry, University of California, San Francisco, San Francisco, California, USA
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Bodell LP, Racine SE, Wildes JE. Examining weight suppression as a predictor of eating disorder symptom trajectories in anorexia nervosa. Int J Eat Disord 2016; 49:753-63. [PMID: 27084065 DOI: 10.1002/eat.22545] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 03/06/2016] [Accepted: 03/08/2016] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Research in individuals with bulimia nervosa has highlighted the clinical significance of weight suppression (WS), defined as the difference between one's highest and current weight. More recently, studies have suggested that WS also may play a role in symptom maintenance and weight gain during treatment in anorexia nervosa (AN) and that the influence of WS on AN outcomes may depend on an individual's body mass index (BMI). However, no study has investigated whether WS or the interaction between WS and BMI is associated with the longer-term course of eating pathology following treatment discharge in patients with AN. METHOD The current study examined a sample of females with AN (N = 180) who completed interviews and self-report questionnaires at discharge from intensive treatment and at 3, 6, and 12-months after discharge. Latent growth curve models tested whether WS, BMI, or the WS by BMI interaction significantly predicted the trajectory of eating disorder symptoms (i.e., Eating Disorder Examination global score, BMI, frequency of loss of control eating, frequency of purging) over the year following discharge. RESULTS WS at discharge predicted change in BMI, and the interaction between WS and BMI predicted growth in eating disorder severity and purging frequency over time. Neither WS nor its interaction with BMI predicted growth in loss of control eating frequency. DISCUSSION Results provide further support for the clinical significance of WS in AN symptom maintenance, but suggest that the influence of WS likely depends on an individual's BMI as well as the outcome being measured. © 2016 Wiley Periodicals, Inc.(Int J Eat Disord 2016; 49:753-763).
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Affiliation(s)
- Lindsay P Bodell
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213
| | - Sarah E Racine
- Department of Psychology, Ohio University, Athens, OH, 45701
| | - Jennifer E Wildes
- Department of Psychiatry, University of Pittsburgh School of Medicine and Western Psychiatric Institute and Clinic of UPMC, Pittsburgh, PA, 15213
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Dunlop KA, Woodside B, Downar J. Targeting Neural Endophenotypes of Eating Disorders with Non-invasive Brain Stimulation. Front Neurosci 2016; 10:30. [PMID: 26909013 PMCID: PMC4754427 DOI: 10.3389/fnins.2016.00030] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Accepted: 01/25/2016] [Indexed: 12/14/2022] Open
Abstract
The term "eating disorders" (ED) encompasses a wide variety of disordered eating and compensatory behaviors, and so the term is associated with considerable clinical and phenotypic heterogeneity. This heterogeneity makes optimizing treatment techniques difficult. One class of treatments is non-invasive brain stimulation (NIBS). NIBS, including repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), are accessible forms of neuromodulation that alter the cortical excitability of a target brain region. It is crucial for NIBS to be successful that the target is well selected for the patient population in question. Targets may best be selected by stepping back from conventional DSM-5 diagnostic criteria to identify neural substrates of more basic phenotypes, including behavior related to rewards and punishment, cognitive control, and social processes. These phenotypic dimensions have been recently laid out by the Research Domain Criteria (RDoC) initiative. Consequently, this review is intended to identify potential dimensions as outlined by the RDoC and the underlying behavioral and neurobiological targets associated with ED. This review will also identify candidate targets for NIBS based on these dimensions and review the available literature on rTMS and tDCS in ED. This review systematically reviews abnormal neural circuitry in ED within the RDoC framework, and also systematically reviews the available literature investigating NIBS as a treatment for ED.
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Affiliation(s)
- Katharine A. Dunlop
- Institute of Medical Sciences, University of TorontoToronto, ON, Canada
- MRI-Guided rTMS Clinic, University Health NetworkToronto, ON, Canada
| | - Blake Woodside
- Institute of Medical Sciences, University of TorontoToronto, ON, Canada
- Department of Psychiatry, University Health NetworkToronto, ON, Canada
- Department of Psychiatry, University of TorontoToronto, ON, Canada
- Eating Disorders Program, University Health NetworkToronto, ON, Canada
| | - Jonathan Downar
- Institute of Medical Sciences, University of TorontoToronto, ON, Canada
- MRI-Guided rTMS Clinic, University Health NetworkToronto, ON, Canada
- Department of Psychiatry, University Health NetworkToronto, ON, Canada
- Department of Psychiatry, University of TorontoToronto, ON, Canada
- Toronto Western Research Institute, University Health NetworkToronto, ON, Canada
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Racine SE, Wildes JE. Dynamic longitudinal relations between emotion regulation difficulties and anorexia nervosa symptoms over the year following intensive treatment. J Consult Clin Psychol 2015; 83:785-95. [PMID: 25181027 PMCID: PMC4345157 DOI: 10.1037/ccp0000011] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Emotion regulation difficulties have been implicated in theoretical models of anorexia nervosa (AN) development/maintenance, and several treatments for AN have been designed to target emotion dysregulation. However, no research has used longitudinal methodology to examine whether emotion regulation difficulties predict the maintenance of AN symptoms, or vice versa. The current study evaluated dynamic longitudinal relations between emotion dysregulation and AN symptom severity over the year following discharge from intensive treatment in order to enhance theoretical models and treatments for AN. METHOD Participants were 191 patients with AN recruited during intensive treatment. Assessments including the Eating Disorders Examination and the Difficulties in Emotion Regulation Scale were completed at discharge from treatment and at 3-, 6-, and 12-month follow-ups. Bivariate latent change score models were used to examine the direction of associations between emotion dysregulation and AN symptom severity across time. RESULTS Emotion dysregulation predicted change in AN symptom severity, but the reverse relationship did not occur. Individuals with high levels of emotion dysregulation experienced an increase and subsequent maintenance of AN psychopathology, whereas low emotion dysregulation predicted a decreasing AN symptom trajectory. Importantly, these dynamic temporal relationships could not be accounted for by body mass index or depressive symptoms and were present for patients with the restricting and binge-eating/purging subtypes of AN. CONCLUSIONS Emotion regulation difficulties appear to be involved in the maintenance of AN symptom severity over time. Findings provide support for an increasing emphasis on emotion regulation in the development of novel treatments for AN.
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Affiliation(s)
| | - Jennifer E Wildes
- Department of Psychiatry, University of Pittsburgh School of Medicine
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28
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Abstract
The Diagnostic and Statistical Manual of Mental Disorders (i.e., DSM-5) currently recognizes three primary eating disorders: anorexia nervosa, bulimia nervosa, and binge eating disorder. The origins of eating disorders are complex and remain poorly understood. However, emerging research highlights a dimensional approach to understanding the multifactorial etiology of eating disorders as a means to inform assessment, prevention, and treatment efforts. Guided by research published since 2011, this review summarizes recent findings elucidating risk factors for the development of eating disorders across the lifespan in three primary domains: (1) genetic/biological, (2) psychological, and (3) socio-environmental. Prospective empirical research in clinical samples with full-syndrome eating disorders is emphasized with added support from cross-sectional studies, where relevant. The developmental stages of puberty and the transition from adolescence to young adulthood are discussed as crucial periods for the identification and prevention of eating disorders. The importance of continuing to elucidate the mechanisms underlying gene by environmental interactions in eating disorder risk is also discussed. Finally, controversial topics in the field of eating disorder research and the clinical implications of this research are summarized.
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Thomas JJ, Eddy KT, Ruscio J, Ng KL, Casale KE, Becker AE, Lee S. Do recognizable lifetime eating disorder phenotypes naturally occur in a culturally asian population? A combined latent profile and taxometric approach. EUROPEAN EATING DISORDERS REVIEW 2015; 23:199-209. [PMID: 25787700 DOI: 10.1002/erv.2357] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 02/17/2015] [Accepted: 02/22/2015] [Indexed: 11/12/2022]
Abstract
BACKGROUND We examined whether empirically derived eating disorder (ED) categories in Hong Kong Chinese patients (N = 454) would be consistent with recognizable lifetime ED phenotypes derived from latent structure models of European and American samples. METHOD We performed latent profile analysis (LPA) using indicator variables from data collected during routine assessment, and then applied taxometric analysis to determine whether latent classes were qualitatively versus quantitatively distinct. RESULTS Latent profile analysis identified four classes: (i) binge/purge (47%); (ii) non-fat-phobic low-weight (34%); (iii) fat-phobic low-weight (12%); and (iv) overweight disordered eating (6%). Taxometric analysis identified qualitative (categorical) distinctions between the binge/purge and non-fat-phobic low-weight classes, and also between the fat-phobic and non-fat-phobic low-weight classes. Distinctions between the fat-phobic low-weight and binge/purge classes were indeterminate. CONCLUSION Empirically derived categories in Hong Kong showed recognizable correspondence with recognizable lifetime ED phenotypes. Although taxometric findings support two distinct classes of low weight EDs, LPA findings also support heterogeneity among non-fat-phobic individuals.
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Affiliation(s)
- Jennifer J Thomas
- Department of Psychiatry, Harvard Medical School, MA, USA; Eating Disorders Clinical and Research Program, Massachusetts General Hospital, MA, USA
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Racine SE, Wildes JE. Emotion dysregulation and anorexia nervosa: an exploration of the role of childhood abuse. Int J Eat Disord 2015; 48:55-8. [PMID: 25358997 PMCID: PMC4404145 DOI: 10.1002/eat.22364] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 10/08/2014] [Accepted: 10/10/2014] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Theoretical models of emotion regulation difficulties in anorexia nervosa (AN) specify a role for factors that predispose to or precipitate emotion dysregulation. The current study considered whether childhood abuse (i.e., emotional, sexual, physical) might be related to emotion regulation difficulties and eating disorder symptom severity in patients with AN. Childhood abuse was hypothesized to relate to AN symptoms indirectly via emotion dysregulation. METHOD Participants were 188 patients with AN presenting to an intensive treatment facility. The Childhood Trauma Questionnaire, Difficulties in Emotion Regulation Scale, and Eating Disorder Examination were used to assess childhood abuse, emotion dysregulation, and AN symptom severity, respectively. RESULTS Of the three forms of childhood abuse, reports of emotional abuse were most strongly related to emotion regulation difficulties and AN symptom severity. Mediation analyses revealed that emotion dysregulation significantly explained the relationship between childhood emotional abuse and AN symptomatology, and mediation effects did not differ by AN subtype (i.e., restricting vs. binge-eating/purging). DISCUSSION Findings provide initial support for a model in which childhood emotional abuse precipitates emotion dysregulation and the development of AN. Future studies with longitudinal designs and control groups are necessary to examine the direction and specificity of these cross-sectional associations
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Affiliation(s)
- Sarah E. Racine
- Department of Psychology, Ohio University, Athens, OH, USA,Department of Psychiatry, University of Pittsburgh School of Medicine. Pittsburgh, PA, USA
| | - Jennifer E. Wildes
- Department of Psychiatry, University of Pittsburgh School of Medicine. Pittsburgh, PA, USA,Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Bidirectional associations between binge eating and restriction in anorexia nervosa. An ecological momentary assessment study. Appetite 2014; 83:69-74. [PMID: 25134738 DOI: 10.1016/j.appet.2014.08.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 08/01/2014] [Accepted: 08/11/2014] [Indexed: 02/07/2023]
Abstract
This study examined the association between restrictive eating behaviors and binge eating in anorexia nervosa (AN) using data collected in the natural environment. Women (N = 118) with DSM-IV full or subthreshold AN reported eating disorder behaviors, including binge eating episodes, going ≥ 8 waking hours without eating, and skipping meals, during 2 weeks of ecological momentary assessment (EMA). Time-lagged generalized estimating equations tested the following hypotheses: 1) dietary restriction would predict binge eating while controlling for binge eating the previous day; 2) binge eating would predict restriction the subsequent day while controlling for restriction the previous day. After controlling for relevant covariates, the hypotheses were not supported; however, there appeared to be a cumulative effect of repeatedly going 8 consecutive hours without eating (i.e. fasting) on the risk of binge eating among individuals who recently engaged in binge eating. In addition, skipping meals was associated with a lower risk of same day binge eating. The relationship between binge eating and dietary restriction appears to be complex and may vary by type of restrictive eating behavior. Future research should aim to further clarify the nature of the interaction of binge eating and restrictive eating among individuals with AN in order to effectively eliminate these behaviors in treatment.
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