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Hildebrandt T, Boyar A, Chen X, Holland K, Silverman E, Webb D, Wolk S, Schulz K, Sysko R. Phase-Transitions in Disgust During Self-Initiated Eating Among Adolescents With Anorexia Nervosa and Related Low-Weight Eating Disorders and Matched Controls. Int J Eat Disord 2024. [PMID: 38958505 DOI: 10.1002/eat.24254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 07/04/2024]
Abstract
BACKGROUND Understanding the emotional context of feeding behavior may help identify causal mechanisms of food avoidance among individuals with anorexia nervosa. Although predominant food avoidance models assume fear of fat drives feeding behavior, disgust may be more theoretically and proximally relevant to moment-to-moment experiences of feeding. This study, therefore, aimed to examine affect and food avoidance using automated affect analysis from facial response by measuring time-specific transitions in disgust during a laboratory eating paradigm. We hypothesized that phase transitions in disgust would distinguish temporally self-initiated eating from food avoidance. METHODS Sixty-three adolescents with anorexia nervosa or another low-weight eating disorder (LWED) and 27 age- and sex-matched controls were recruited as part of a larger study; 45 patients and 22 controls provided data on autonomous eating and facial affect during a laboratory meal. Dynamic structural equation models quantified moment-to-moment relationships between disgust and feeding behavior. RESULTS Self-initiated eating was associated with greater increases in disgust, but not fear, intensity among those with LWED relative to control participants and greater disgust intensity predicted lower likelihood of self-initiated eating. DISCUSSION Phasic transitions in disgust provide moment-to-moment evidence of affective influence on self-initiated eating and lend credibility to the hypothesis that disgust contributes to food avoidance and initiation in individuals with LWED.
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Affiliation(s)
- Tom Hildebrandt
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Allison Boyar
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Xi Chen
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Katherine Holland
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Elena Silverman
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Desiree Webb
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Sophia Wolk
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Kurt Schulz
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Robyn Sysko
- Center of Excellence in Eating and Weight Disorders, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Nisticò V, Ingrosso G, Lombardi F, Chiudinelli E, Bianchini G, Faggioli R, Bertani A, Gambini O, Demartini B. Autistic traits, sensory sensitivity and eating disturbances in a sample of young adults referring to a generalized mental health clinic. Eat Weight Disord 2024; 29:10. [PMID: 38261082 PMCID: PMC10806192 DOI: 10.1007/s40519-024-01639-7] [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: 11/22/2023] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
PURPOSE The relationship between autistic traits and eating disturbances has been given considerable attention over the last decades. The rise of a dimensional approach to psychopathology has expanded the way we think about autism, acknowledging that subthreshold autistic manifestations span across the general population and are more pronounced in psychiatric patients. Here we investigated the prevalence of eating disorders and its potential relationship with autistic traits and sensory sensitivity in a group of patients who were referred for the first time to a mental health outpatient clinic, without a formal diagnosis yet. METHODS 259 young adults (between 18 and 24 years old) completed: the Eating Attitude Test (EAT-26), the Swedish Eating Assessment for Autism Spectrum Disorders (SWEAA), the Autism Quotient (AQ), the Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R), and the Sensory Perception Quotient-Short Form 35 item (SPQ-SF35). RESULTS 23.55% of participants scored above the cut-off at the EAT-26, suggesting that they presented a risk for eating disorders and should be assessed by a specialized clinician; associations emerged between hypersensitivity in the touch and vision domain and both the EAT-26 and the SWEAA; the presence of autistic traits was largely associated with eating disturbances. CONCLUSIONS This study underlines the significance of the eating domain as a central psychopathological feature in the distress experienced by young adults with general psychiatric symptoms and psychological suffering; it adds evidence to the association between autistic traits and eating disorders and opens to new research questions about the role of subthreshold autistic traits in general psychopathology. LEVEL OF EVIDENCE Level I: Evidence obtained from experimental studies.
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Affiliation(s)
- Veronica Nisticò
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy.
- "Aldo Ravelli" Research Center for Neurotechnology and Experimental Brain Therapeutics, University of Milan, Milano, Italy.
- Dipartimento di Psicologia, Università degli Studi di Milano-Bicocca, Milano, Italy.
| | - Gianmarco Ingrosso
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy
| | - Francesco Lombardi
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy
| | - Elia Chiudinelli
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy
| | - Giulia Bianchini
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy
| | - Raffaella Faggioli
- Unità di Psichiatria 51 e 52, Presidio San Paolo, ASST Santi Paolo e Carlo, Milan, Italy
| | - Angelo Bertani
- Unità di Psichiatria 51 e 52, Presidio San Paolo, ASST Santi Paolo e Carlo, Milan, Italy
- Dipartimento Salute Mentale e Dipendenze, Centro Giovani "Ettore Ponti", ASST Santi Paolo e Carlo, Milan, Italy
| | - Orsola Gambini
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, Presidio San Paolo, via A. Di Rudinì, 8, 20142, Milano, Italy
- "Aldo Ravelli" Research Center for Neurotechnology and Experimental Brain Therapeutics, University of Milan, Milano, Italy
- Unità di Psichiatria 51 e 52, Presidio San Paolo, ASST Santi Paolo e Carlo, Milan, Italy
| | - Benedetta Demartini
- "Aldo Ravelli" Research Center for Neurotechnology and Experimental Brain Therapeutics, University of Milan, Milano, Italy
- Unità di Psichiatria 51 e 52, Presidio San Paolo, ASST Santi Paolo e Carlo, Milan, Italy
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Aloi M, Moniaci M, Rania M, Carbone EA, Martino G, Segura-Garcia C, Liuzza MT. Relationship between disgust and orthorexia nervosa and psychometric properties of the Italian Dusseldorf orthorexia scale in a general population sample. J Eat Disord 2023; 11:174. [PMID: 37789371 PMCID: PMC10546774 DOI: 10.1186/s40337-023-00899-5] [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: 07/13/2023] [Accepted: 09/21/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND It remains unclear among clinicians and researchers whether orthorexia nervosa (ON) is a part of the obsessive-compulsive disorder spectrum or eating disorders. Disgust seems to be a shared psychopathological factor in these clinical presentations, indicating a potentially crucial role in ON. On the other hand, numerous psychometric tools have been developed to evaluate ON. The Dusseldorf Orthorexia Scale (DOS) was recently validated in an Italian sample. However, the study's primary limitation was that the scale was only administered to undergraduate university students. This study aimed to investigate the psychometric properties (including factorial structure, reliability, and measurement invariance conditional on sex) of the Italian version of the DOS (I-DOS) on a sample from the general population. Additionally, the study sought to determine the nomological validity of the I-DOS by examining its relationship with disgust sensitivity. METHODS A sample of 521 participants took part in this study and completed a battery that assessed ON and disgust sensitivity. To assess the I-DOS structure, reliability, and measurement invariance we respectively conducted confirmatory factor analysis (CFA), computed McDonalds's omega, and performed hierarchical series of multigroup CFAs. Then, we tested the relationship between ON and disgust sensitivity. RESULTS CFA confirmed the unifactorial model of I-DOS and it respected the configural, metric, and strict invariance while a partial scalar invariance was achieved. It also showed good reliability with an omega of 0.87. In addition, we found a positive relationship between ON and disgust sensitivity, thus confirming the nomological validity of I-DOS. CONCLUSIONS Our findings suggest that the Italian version of the Dusseldorf orthorexia scale (I-DOS) exhibits strong psychometric properties and can be an effective instrument for assessing ON in a general population sample. Notably, the most significant and innovative outcome was the positive correlation between ON and disgust sensitivity. As disgust has been linked to other clinical presentations, this preliminary result could serve as a foundation for future research exploring this phenomenon in greater detail.
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Affiliation(s)
- Matteo Aloi
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
- Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy
| | - Martina Moniaci
- Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy
| | - Marianna Rania
- Outpatient Unit for Clinical Research and Treatment of Eating Disorders, University Hospital "Mater Domini", Catanzaro, Italy
| | - Elvira Anna Carbone
- Outpatient Unit for Clinical Research and Treatment of Eating Disorders, University Hospital "Mater Domini", Catanzaro, Italy
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Gabriella Martino
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Cristina Segura-Garcia
- Outpatient Unit for Clinical Research and Treatment of Eating Disorders, University Hospital "Mater Domini", Catanzaro, Italy.
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy.
| | - Marco Tullio Liuzza
- Department of Medical and Surgical Sciences, University "Magna Graecia" of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
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Puttevils L, De Bruecker M, Allaert J, Sanchez-Lopez A, De Schryver N, Vervaet M, Baeken C, Vanderhasselt MA. Attentional bias to food during free and instructed viewing in anorexia nervosa: An eye tracking study. J Psychiatr Res 2023; 164:468-476. [PMID: 37437319 DOI: 10.1016/j.jpsychires.2023.06.039] [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: 10/12/2022] [Revised: 06/05/2023] [Accepted: 06/27/2023] [Indexed: 07/14/2023]
Abstract
Previous research has shown that patients with anorexia nervosa (AN) show an attentional bias to food. However, due to different conceptualizations of attentional bias and the use of various paradigms, results are inconclusive and more precise insights into the exact nature of this attentional bias are needed. Therefore, an eye-tracking paradigm with food (low and high caloric) and non-food (objects) pictures was used to investigate biases in AN patients (n = 25) compared to healthy controls (n = 22). Several indices of visual attention were examined, both during free (initial orientation, fixation frequency, fixation time) and explicitly instructed (engagement, disengagement) viewing. Our results during the free viewing phase indicated that AN patients (as compared to healthy matched controls) looked less frequently and spent less time fixating on food stimuli, compared to the comparison group. No differences between both groups (n = 47) in initial orientation could be observed. Interestingly, during the instructed viewing phase, no differences between the patient and the comparison group were observed in engagement or disengagement to food stimuli. These results suggest an (initial) attentional avoidance of food in AN patients when closely investigating spontaneous attentional processes, while this could not be observed during gaze behaviour when receiving clear instructions. Hence, future research should look into how attentional bias during spontaneous gaze patterns could serve as a potential marker of AN, and how targeting this bias could be applied in treatment interventions.
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Affiliation(s)
- Louise Puttevils
- Department of Head and Skin, Ghent University, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium.
| | - Marie De Bruecker
- Department of Head and Skin, Ghent University, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
| | - Jens Allaert
- Department of Head and Skin, Ghent University, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium; Department of Experimental-Clinical and Health Psychology, Ghent University, Belgium
| | | | - Nele De Schryver
- Department of Psychiatry, Center for Eating Disorders, Ghent University Hospital, K12F, C. Heymanslaan 10, 9000, Ghent, Belgium
| | | | - Chris Baeken
- Department of Head and Skin, Ghent University, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium; Department of Psychiatry, University Hospital (UZ Brussel), Brussels, Belgium
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Ghent University, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium; Department of Experimental-Clinical and Health Psychology, Ghent University, Belgium
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Carpinelli L, Savarese G, Pascale B, Milano WD, Iovino P. Gut-Brain Interaction Disorders and Anorexia Nervosa: Psychopathological Asset, Disgust, and Gastrointestinal Symptoms. Nutrients 2023; 15:nu15112501. [PMID: 37299464 DOI: 10.3390/nu15112501] [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: 04/18/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Gastrointestinal (GI) symptoms are very common in subjects with eating disorders (EDs). This study aimed to (a) investigate the prevalence of gut-brain interaction disorders (DGBIs) in anorexia nervosa (AN) patients, according to ROME IV criteria; and (b) explore AN psychopathological assets and disgust that might impact GI symptoms. METHODS Thirty-eight female patients consecutively diagnosed with untreated AN (age 19.32 ± 5.59) in an outpatient clinic devoted to EDs underwent Eating Disorder Inventory-3 (EDI-3), Hospital Anxiety and Depression Scale (HADS), Social Phobia Anxiety Scale (SPAS), Body Uneasiness Test (BUT), and Disgust Scale (DS) questionnaires. The presence of DGBIs was evaluated and GI symptoms were assessed using a standardized intensity-frequency questionnaire. RESULTS A total of 94.7% of our sample met the diagnostic criteria for functional dyspepsia (FD), of which 88.8% presented the postprandial distress syndrome (PDS) subtype and 41.6% presented the epigastric pain syndrome (EPS) subtype. In addition, 52.6% of the sample met the diagnostic criteria for irritable bowel syndrome (IBS), while for functional constipation (FC), prevalence reached 7.9%. All participants presented a pathological score on the disgust scale. Significant correlations were found between several GI symptoms and psychopathological asset and disgust. CONCLUSIONS AN is a multifactorial disorder. It is necessary to implement studies with an integrated approach, taking into account DGBIs, as well as to monitor the emotional-cognitive structure that acts as a factor in maintaining the disorder.
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Affiliation(s)
- Luna Carpinelli
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Baronissi Campus, University of Salerno, 84081 Baronissi, Italy
| | - Giulia Savarese
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Baronissi Campus, University of Salerno, 84081 Baronissi, Italy
| | - Biagio Pascale
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Baronissi Campus, University of Salerno, 84081 Baronissi, Italy
| | | | - Paola Iovino
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", Baronissi Campus, University of Salerno, 84081 Baronissi, Italy
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von Spreckelsen P, de Jong PJ. Disgust-induced avoidant processing of autobiographical memories as a transdiagnostic mechanism in the persistence of psychopathology. Bull Menninger Clin 2023; 87:31-52. [PMID: 37871194 DOI: 10.1521/bumc.2023.87.suppa.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
We present a model of disgust-induced avoidant processing of autobiographical memories contributing to the persistence of psychopathology. Following the model, autobiographical memory retrieval is biased toward disgust-related experiences. Critically, disgust promotes the avoidance of specific autobiographical memories by reactively aborting the processing of those memories or by strategically preventing access to them, making disgust appraisals immune to corrective information. In the context of eating disorders/body image, studies provided consistent evidence for a bias toward disgust-related memories of their own body in women with a more negative body image. Although the current research casts doubt on disgust-induced strategic avoidant retrieval of body-related memories, it provided initial evidence for reactive avoidance of such memories. Insight into the role of disgust-induced avoidant memory processing as a transdiagnostic mechanism may help in understanding the refractoriness of disgust-relevant psychopathologies (including depressive and trauma-related disorders) and point to the necessity of therapeutic strategies to address disgust-induced avoidance.
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Affiliation(s)
- Paula von Spreckelsen
- PhD candidate of experimental psychopathology in the University of Groningen, Department of Psychology (Expertise Group: Clinical Psychology and Experimental Psychopathology), Groningen, The Netherlands
| | - Peter J de Jong
- Professor of experimental psychopathology in the University of Groningen, Department of Psychology (Expertise Group: Clinical Psychology and Experimental Psychopathology), Groningen, The Netherlands
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Culicetto L, Ferraioli F, Lucifora C, Falzone A, Martino G, Craparo G, Avenanti A, Vicario CM. Disgust as a transdiagnostic index of mental illness: A narrative review of clinical populations. Bull Menninger Clin 2023; 87:53-91. [PMID: 37871195 DOI: 10.1521/bumc.2023.87.suppa.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Disgust is a basic emotion of rejection, providing an ancestral defensive mechanism against illness. Based on research that documents altered experiences of disgust across several psychopathological conditions, we conducted a narrative review to address the hypothesis that altered disgust may serve as a transdiagnostic index of mental illness. Our synthesis of the literature from past decades suggests that, compared to healthy populations, patients with mental disorders exhibit abnormal processing of disgust in at least one of the analyzed dimensions. We also outline evidence of alterations in brain areas relevant to disgust processing, such as the insula and the interconnected limbic network. Overall, we provide preliminary support for the hypothesis that altered disgust processing may serve as a transdiagnostic index of mental illness.
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Affiliation(s)
- Laura Culicetto
- Department of Cognitive Science, University of Messina, Messina, Italy
| | | | - Chiara Lucifora
- Institute of Cognitive Science and Technology, ISTC-CNR, Rome, Italy
| | | | - Gabriella Martino
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Giuseppe Craparo
- Faculty of Human and Social Sciences, UKE-Kore University of Enna, Cittadella Universitaria, Enna, Italy
| | - Alessio Avenanti
- Neuropsychology and Cognitive Neurosciences Research Center, Universidad Católica del Maule, Talca, Chile, and the Center for Studies and Research in Cognitive Neuroscience, Department of Psychology "Renzo Canestrari," Alma Mater Studiorum-University of Bologna, Cesena Campus, Cesena, Italy
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Woods ES, Jessup SC, Olatunji BO. Fear of fat in eating disorders: The mediating role of individual differences in self-disgust. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2023. [DOI: 10.1016/j.jadr.2022.100452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
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Gao S, Zhang L, Yao X, Lin J, Meng X. Associations between self-disgust, depression, and anxiety: A three-level meta-analytic review. Acta Psychol (Amst) 2022; 228:103658. [DOI: 10.1016/j.actpsy.2022.103658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 06/05/2022] [Accepted: 06/21/2022] [Indexed: 11/28/2022] Open
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Disgust and Self-Disgust in Eating Disorders: A Systematic Review and Meta-Analysis. Nutrients 2022; 14:nu14091728. [PMID: 35565699 PMCID: PMC9102838 DOI: 10.3390/nu14091728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 12/10/2022] Open
Abstract
Disgust and self-disgust are aversive emotions which are often encountered in people with eating disorders. We conducted a systematic review and meta-analysis of disgust and self-disgust in people with eating disorders using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The systematic review of the literature revealed 52 original research papers. There was substantial heterogeneity regarding the research question and outcomes. However, we found 5 articles on disgust elicited by food images, 10 studies on generic disgust sensitivity, and 4 studies on self-disgust, and we proceeded to a meta-analytic approach on these studies. We found that women with eating disorders have significantly higher momentary disgust feelings in response to food images (1.32; 95% CI 1.05, 1.59), higher generic disgust sensitivity (0.49; 95% CI 0.24, 0.71), and higher self-disgust (1.90; 95% CI 1.51, 2.29) compared with healthy controls. These findings indicate the potential clinical relevance of disgust and self-disgust in the treatment of eating disorders.
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