ArticleObesity facts2026
Memory Function, Weight Loss, and Eating Disorder Psychopathology in Bariatric Surgery Patients: A 5-Year Follow-Up Study.
Article in Obesity facts, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionObesity increases risk of several diseases and cognitive deficits. Bariatric surgery is the most effective treatment for severe obesity, leading to substantial weight loss and memory improvements. This study examines memory, weight loss, and pathological eating behaviors 5 years postoperatively in a sample of Norwegian bariatric surgery patients.
methodsMemory, eating behaviors, and symptoms of depression and anxiety were assessed in 33 bariatric surgery patients (70% female, mean age 41.6 years) at baseline and 5 years after surgery. Self-report measures and standardized tests were used.
resultsPatients showed a mean weight loss of 25.7% (SD = 10.6) 5 years following surgery and significant improvement in verbal long-term memory. Weight loss correlated negatively with binge eating at 5-year follow-up, but not grazing. Baseline memory was the only significant predictor of 5-year memory function, accounting for 62% of the variance.
conclusionFinding suggests that bariatric surgery has long-lasting impact on long-term verbal memory. Binge eating was associated with less weight loss, while grazing had no significant impact. Regular monitoring of binge eating could be useful to identify patients in need of extended postoperative treatment and support.
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