Considering Autism in Binge-Type Eating Disorders: Broadening Beyond an Anorexia Nervosa-Focused Model

Abstract

PURPOSE OF REVIEW: Research on Autism in eating disorders (EDs) has historically focused on anorexia nervosa (AN), with comparatively limited attention given to binge-type EDs such as bulimia nervosa (BN) and binge eating disorder (BED). This review summarises emerging evidence on Autism in binge-type EDs and highlights key clinical and research implications. RECENT FINDINGS: Emerging evidence suggests that Autism is over-represented in BN and BED, although prevalence appears lower than in AN and research remains methodologically limited. Recent studies suggest that affective and reward-related processes, alongside sensory differences, may contribute to binge-type presentations. Co-occurring ADHD appears particularly relevant and may complicate recognition, clinical presentation, and treatment. Autism also remains under-recognised in binge-type EDs by ED services, where existing adaptations remain largely derived from AN models. Current AN-centric models may inadequately capture Neurodivergence in binge-type EDs. More transdiagnostic, mechanism-informed research and treatment approaches are needed.