Journal
EATING AND WEIGHT DISORDERS-STUDIES ON ANOREXIA BULIMIA AND OBESITY
Volume 16, Issue 2, Pages E121-E126Publisher
SPRINGER
DOI: 10.1007/BF03325317
Keywords
Cognitive; executive function; binge eating; obesity; bariatric
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OBJECTIVE: This study examined whether severity of binge eating is associated with dysfunction in behaviors mediated by the three main areas of the prefrontal cortex (PFC). METHODS: One hundred fifty-one adults (mean BMI=49.50) were classified into three groups based on the presence and severity of binge eating behaviors: Binge Eating Disorder (BED) group (N=22), Binge Eating Prone (BEP) group (N=47), and non-Eating Disorder (non-ED) group (N=82). Participants completed the Frontal Systems Behavior Scale (FrSBe), a widely used measure of neurobehavioral traits associated with the three primary regions of the PFC corresponding with the behavioral traits of apathy, disinhibition, and executive dysfunction. RESULTS: The BED and BEP groups scored significantly higher than the non-ED group on the three FrSBe subscales, as well as the FrSBe Total score. There were no significant correlations between the FrSBe and participant BMI. DISCUSSION: As expected, individuals who engaged in binge eating endorsed greater PFC dysfunction than those who did not binge eat. These results provide a complement to studies utilizing neuroimaging and neuropsychological methodologies and further support for the role of prefrontal systems in the regulation of eating behavior. (Eating Weight Disord. 16: e121-e126, 2011). (C)2011, Editrice Kurtis
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