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The Influence of Negative Affect on Working Memory Updating of Food Stimuli Among Adolescents With Anorexia Nervosa.
Int J Eat Disord
January 2025
School of Psychological Sciences, University of Haifa, Haifa, Israel.
Objective: Difficulty updating information in working memory has been proposed to underlie ruminative thinking in individuals with anorexia nervosa (AN). However, evidence regarding updating difficulties in AN remains inconclusive, particularly among adolescents. It has been proposed that exposure to negative emotion and disorder-salient stimuli may uniquely influence updating in AN.
View Article and Find Full Text PDFEcological Momentary Assessment for Adolescents With Anorexia Nervosa and Their Parents/Caregivers in Family-Based Treatment.
Int J Eat Disord
January 2025
Faculty of Social Work, University of Calgary, Calgary, Canada.
Introduction: Studies have shown that early weight gain in family-based treatment (FBT) predicts treatment response in adolescents with anorexia nervosa (AN); however, research examining factors associated with early weight gain in FBT is limited. This study tested the feasibility and acceptability of ecological momentary assessment (EMA) in early FBT, particularly to capture momentary data on family climate during mealtimes.
Methods: Using multiple methods, quantitative (EMA) and qualitative (interviews) data were collected in the first 4 weeks of FBT.
Exploring the relationship between proactive inhibition and restrictive eating behaviours in severe and enduring anorexia nervosa (SE-AN).
J Eat Disord
January 2025
Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
Background: There is a need for improved understanding of why 20-30% of individuals with anorexia nervosa (AN) develop a severe and enduring form of illness (SE-AN). Previously, we reported differences in proactive inhibition (a pre-emptive slowing of responses) in individuals with AN compared to healthy controls (after controlling for intolerance of uncertainty). The present study is a preliminary exploration of proactive inhibition in which we compared women with SE-AN with healthy comparison (HC) women and explored its association with restrictive/avoidant eating behaviours.
View Article and Find Full Text PDFSubanesthetic Ketamine Ameliorates Activity-Based Anorexia of Adult Mice.
Synapse
January 2025
Center for Neural Science, New York University, New York, New York, USA.
Objective: Anorexia nervosa (AN) is an eating disorder with the second highest mortality of all mental illnesses and high relapse rate, especially among adult females, yet with no accepted pharmacotherapy. A small number of studies have reported that adult females who struggled with severe and relapsing AN experienced sustained remission of the illness following ketamine infusions. Two other reports showed that 30 mg/kg IP ketamine can reduce vulnerability of adolescent mice to activity-based anorexia (ABA), an animal model of AN.
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