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Nutrients
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Cognitive and Dietary Behaviour Interventions in Eating Disorders
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Cognitive and Dietary Behaviour Interventions in Eating Disorders

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Public Health".

Deadline for manuscript submissions: 5 October 2025 | Viewed by 1525

Special Issue Editors

Prof. Dr. Phillipa Hay

E-Mail Website
Guest Editor
Translational Health Research Institute, School of Medicine, Western Sdyney University, Sydney, Australia
Interests: eating disorders; evidence-based medicine; mental health literacy
Special Issues, Collections and Topics in MDPI journals
Dr. Jay Raman

E-Mail Website
Guest Editor
School of Psychological Sciences, University of Newcastle, Callaghan, NSW, Australia
Interests: body image; cognitive remediation; eating disorders; emotion regulation; health literacy; obesity
Dr. Gabriella A. Heruc

E-Mail Website
Guest Editor
Eating Disorders and Nutrition Research Group (ENRG), Translational Health Research Institute, School of Medicine, Western Sdyney University, Sydney, Australia
Interests: eating and feeding disorders; nutrition education; dietetic management of eating and feeding disorders; interprofessional collaborative practice; appetite; blood glucose regulation; gastrointestinal symptoms

Special Issue Information

Dear Colleagues,

Eating disorders are serious and complex mental health conditions that require comprehensive mental health and dietetic intervention approaches. Developing innovative assessment instruments and treatments that target the underlying psychological and nutritional aspects of aberrant eating behaviours is central to preventing relapse and promoting long-term recovery. Dietary and psychological interventions, which are often offered as independent clinical interventions, also form a helpful and holistic integrated strategy that underscores the importance of addressing both the mental and physical dimensions of eating disorders. While cognitive interventions address maladaptive thought patterns, behaviours related to food, body image, and self-esteem, dietary behaviour interventions address structured nutritional guidance and education to restore healthy eating habits and nutritional status. Together, cognitive and dietary interventions have the potential to establish regular eating patterns, ensure adequate nutrient intake, and reduce harmful behaviours such as restrictive eating or bingeing. This Special Issue aims to shed light on innovative approaches and research in these two major approaches in the field of eating disorders to advance scientific understanding and improve clinical outcomes for individuals affected by these complex conditions. Primary research articles, reviews, and comment papers are welcome.

Prof. Dr. Phillipa Hay
Dr. Jay Raman
Dr. Gabriella A. Heruc
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • binge eating
  • bulimia nervosa
  • anorexia nervosa
  • ARFID
  • OSFED
  • treatment
  • nutrition
  • dietary intervention
  • psychotherapy

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Published Papers (2 papers)

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Research

20 pages, 430 KiB  
Article
Transdiagnostic Cognitive Remediation Therapy for Patients with Eating Disorders: A Randomized Controlled Trial
by Tora Thorsrud, Odin Hjemdal, Linda Thorsen, Nadia Micali, Camilla Lindvall Dahlgren and Siri Weider
Nutrients 2025, 17(9), 1460; https://doi.org/10.3390/nu17091460 - 26 Apr 2025
Viewed by 249
Abstract
Background/Objectives: Eating disorders (EDs) are associated with cognitive inefficiencies related to cognitive flexibility, central coherence, and inhibition. Transdiagnostic cognitive remediation therapy (TCRT) is a new adaption of cognitive remediation therapy aimed at addressing these difficulties across ED diagnoses. This study investigates the [...] Read more.
Background/Objectives: Eating disorders (EDs) are associated with cognitive inefficiencies related to cognitive flexibility, central coherence, and inhibition. Transdiagnostic cognitive remediation therapy (TCRT) is a new adaption of cognitive remediation therapy aimed at addressing these difficulties across ED diagnoses. This study investigates the effects of TCRT as an adjunctive treatment for patients with EDs on cognitive and clinical outcomes. Methods: A randomized controlled trial compared the effect of 9 individual sessions of TCRT in conjunction with treatment as usual (TAU) compared to TAU only for patients with EDs and concurrent cognitive difficulties. Participants were assessed at baseline, post-treatment (12 weeks after baseline), and follow-up (6 months after post-treatment assessment). The outcome measures included neuropsychological tests and self-report questionnaires measuring cognitive difficulties and ED psychopathology. The analysis was in accordance with intention to treat principles. Results: Sixty patients with various ED diagnosis and concurrent cognitive difficulties were recruited. The TCRT group (n = 30) displayed significantly greater improvement in self-reported executive functioning, measured by the Behavior Rating Inventory of Executive Function—Adult version compared to the control group (n = 30). However, no superiority of TCRT was observed on performance-based measures of set shifting, central coherence, or inhibition. Moreover, there was no significant difference in improvement in self-reported ED psychopathology. Conclusions: TCRT may enhance compensatory mechanisms for cognitive inefficiencies rather than improve cognitive effectiveness or ED symptoms directly for patients with EDs and concurrent cognitive difficulties. Further investigation of how these impact everyday functioning may provide valuable insights into TCRT’s role in ED treatment. Full article
(This article belongs to the Special Issue Cognitive and Dietary Behaviour Interventions in Eating Disorders)
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14 pages, 249 KiB  
Article
Predictors and Moderators of Outcomes in a Trial of Cognitive Behavioural Therapy Integrated with Behavioural Weight Loss for High Weight Individuals with Disorders of Recurrent Binge Eating
by Haider Mannan, Marly Amorim Palavras, Angelica Claudino and Phillipa Jane Hay
Nutrients 2025, 17(7), 1288; https://doi.org/10.3390/nu17071288 - 7 Apr 2025
Viewed by 448
Abstract
Background/Objectives: To inform person-centred clinical practice, it is important to know what features may predict or moderate treatment outcomes. Thus, we investigated pre-treatment clinical features and mid-therapy reduction in loss of control over eating (MTLOCE), including impacts on treatment outcomes of a [...] Read more.
Background/Objectives: To inform person-centred clinical practice, it is important to know what features may predict or moderate treatment outcomes. Thus, we investigated pre-treatment clinical features and mid-therapy reduction in loss of control over eating (MTLOCE), including impacts on treatment outcomes of a new manualised psychotherapy, a healthy approach to weight management and food in eating disorders (HAPIFED). HAPIFED was developed as an integrated psychological and behavioural treatment for individuals with bulimia nervosa or binge eating disorder, which are co-morbid with a high body mass index (BMI). Methods: In total, 50 participants were randomised to HAPIFED and 48 were randomised to the control cognitive behaviour therapy-enhanced group. Assessments included mental health-related quality of life (MHRQoL), eating disorder symptom severity, binge-eating frequency, BMI, and loss of control over eating (LOCE) at baseline, mid-treatment, end-treatment, and 6 and 12 months end of follow-up (EndFU). These were measured with the SF-12, the EDE-Q, and the LOCES, respectively. Linear and negative binomial mixed models were used. Missing data were imputed multiple times, assuming intention of treatment for the analysis. Results: Pre-treatment eating disorder symptom severity, MHRQoL, and BMI positively predicted eating disorder symptom severity, MHRQoL, and BMI up to 6 and 12 months end of follow-up. Mid-treatment LOCE MTLOCE predicted improved MHRQoL (coefficient = 0.387, 95% CI 0.0824–0.6921, p = 0.004), reduced binge-eating frequency (IRR = 0.5637, 95% CI 0.3539–0.8977, p = 0.0191), and eating disorder symptom severity (coefficient= −0.65, 95% CI −1.0792–−0.2217, p = 0.0139). Neither purging nor illness duration were a significant predictor of any of the outcomes. The effect of HAPIFED was not moderated by baseline weight/BMI but was moderated negatively by MTLOCE for binge-eating frequency (coefficient = −0.636, SE = 0.28, p < 0.05, IRR = 0.529) and eating disorder symptom severity (coefficient = −0.268, SE = 0.13, p < 0.05, Cohen’s d = −0.102). Conclusions: Greater control over eating improved MHRQoL and decreased the frequency of binge-eating episodes and eating disorder symptom severity. These positive effects were moderated by being in the HAPIFED group, supporting previous findings of benefits to people’s mental health through participation in the HAPIFED trial. Full article
(This article belongs to the Special Issue Cognitive and Dietary Behaviour Interventions in Eating Disorders)
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