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Higher general executive functions predicts lower body mass index by mitigating avoidance behaviors
Marco La Marra1, Ciro Rosario Ilardi1,2, Ines Villano1
1Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
Better executive functioning is linked to lower body mass index (BMI) by reducing avoidance behaviors. This study explores how cognitive abilities and body image affect weight in adults.
Area of Science:
- Psychology
- Behavioral Science
- Health Psychology
Background:
- Investigates the interplay between obesity, executive functions, and body image.
- Focuses on a nonclinical population in southern Italy.
Purpose of the Study:
- To examine the relationship between executive functioning, body image disturbances, and body mass index (BMI).
- To understand the mediating role of avoidance behaviors in this relationship.
Main Methods:
- Assessed general executive functioning using the Frontal Assessment Battery-15 (FAB15).
- Evaluated body image disturbances with the Body Uneasiness Test.
- Analyzed data from 255 participants (M age = 43.51 years, M BMI = 26.21).
Main Results:
- Multiple linear regression revealed that age, education, FAB15 score, body image concerns, and avoidance predicted BMI variance.
- Mediation analysis showed a significant indirect effect of FAB15 on BMI through avoidance.
Conclusions:
- Enhanced executive functioning is associated with a lower BMI.
- This association is partially mediated by a reduction in avoidance behaviors.
- Findings suggest cognitive strategies may help manage weight by influencing behavioral avoidance.
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