Objective: Negative self-concept is characteristic of anorexia nervosa (AN), but the neural processes mediating this component of AN is unknown. These studies investigated how valence and social perspectives impact neural processing in both adults and adolescents with AN. Method:In an fMRI task, participants evaluated positive and negative adjectives from three social perspectives. Two studies were completed, one in 59 women (healthy, with AN, recovered from AN) and one in 42 adolescents (healthy, with AN). Neural regions of interest (ROIs) related to valence were identified and activations compared across groups and social perspectives.Results: Behaviourally, both adult and adolescent cohorts with AN were less positive during self-evaluations. In the adult study, neural differences related to clinical group and condition were observed in ROIs more responsive to positive social stimuli (medial prefrontal cortex, precuneus, left temporoparietal junction) but not in ROIs more responsive to negative social stimuli. No neural differences in relation to clinical group were observed in the adolescents. Conclusions: Behavioural differences related to negative self-concept are present in both adolescents and adults with AN, and neural differences, selective for positive social stimuli, were also observed in adults. AN may interfere with neurodevelopmental processes involved in positive self-concept.

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Background Problems in social cognition and social support contribute to eating disorders (ED). Group therapy provides an ideal format to create an experiential learning environment focused on understanding social interactions. This pilot study examined the qualitative content of the participants’ experiences in the Self-Blame and Perspective-Taking Intervention (SBPI) for ED. Methods The SBPI was a 4-week group therapy intervention involving art therapy and psychoeducation that focused on social behaviors in ED patients. Participants received surveys immediately after the intervention and at 1 to 4 weeks after the post-intervention. Thematic analyses of qualitative feedback were performed using Braun and Clarke’s thematic analysis framework. Results Inductive analyses revealed three main themes: (1) Developing self-acceptance through emotional reflection, (2) Changing expectations with neurosocial knowledge, and (3) Bonding and vulnerability in social interactions; all concepts intentionally targeted by the SBPI. Participants varied in their support of a guideline to exclude personal discussion of ED-related cognitions and behaviors in the group. Conclusions As a whole, patients valued the combination of psychosocial education with group experientials focused on social behavior. Positive feedback from the SBPI suggests that adjunctive treatments that target mental-wellness constructs indirectly related to ED pathology may be helpful by allowing patients to see themselves as separable from the illness. Trial registration ClinicalTrials.gov, NCT0487758. Registered 7 May 2021—Retrospectively registered. https://clinicaltrials.gov/ct2/show/NCT04877158.