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- Title
Executive Functioning in Extreme Obesity: Contributions from Metabolic Status, Medical Comorbidities, and Psychiatric Factors.
- Authors
Mulhauser, Kyler; Reynolds, Evan L.; Callaghan, Brian C.; Fierro, Cassandra; Giordani, Bruno; Votruba, Kristen
- Abstract
Purpose: Extreme obesity has been associated with cognitive deficits across the lifespan and may be a risk factor for dementia in later life. However, the relationship between obesity and domain-specific cognitive deficits is complicated by a body of literature that often fails to adequately account for medical and psychiatric conditions frequently co-occurring with extreme obesity. Materials and Methods: The present study included a cross-sectional evaluation of adults with extreme obesity (n=117) compared to lean control (n=46) participants on a brief cognitive battery using the NIH Toolbox and Rey Auditory Verbal Learning Test. Specifically, this study evaluated measures of executive functioning, attention, processing speed, learning, and memory while accounting for many common obesity-related medical and psychiatric comorbidities with known cognitive effects. Results: Results revealed group differences with lower performances on measures of executive functioning, processing speed, and learning (ps<0.01) for participants with obesity. Reduced executive functioning was associated with abdominal obesity and medication use (ps<0.01) and together contributed significantly to overall modeling of cognition in individuals with obesity. Conclusion: Individuals with extreme obesity in this sample showed lower cognitive performance on measures of executive functioning, processing speed, and learning compared to lean controls. Abdominal obesity was associated with executive functioning deficits independent of many common medical and psychiatric factors.
- Subjects
NATIONAL Institutes of Health (U.S.); EXECUTIVE function; AUDITORY learning; VERBAL learning; OBESITY; COGNITION
- Publication
Obesity Surgery, 2021, Vol 31, Issue 6, p2669
- ISSN
0960-8923
- Publication type
Article
- DOI
10.1007/s11695-021-05319-8