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Published on: June 18, 2018
Elevated BMI and illicit drug use are associated with decreased ability to inhibit prepotent behaviors
Jason Lillis1, Michael E Levin, Jodie A Trafton
1Weight Control and Diabetes Research Center, The Miriam Hospital/Brown Medical School, 196 Richmond Street, Providence, RI 02903, United States. jasonlillis22@gmail.com
Abstract:
The current study examined the impact of BMI and illicit drug use on the ability to inhibit prepotent behaviors. Participants (n=290) completed surveys and behavioral tasks: the Stroop Test and Go/No-Go. After controlling for age and gender, higher BMI was an independent predictor of poorer performance in both the Stroop and Go/No-Go tasks. Illicit drug use was a predictor of poorer Stroop performance only. However, post hoc analyses showed that illicit drug use significantly impacted Go/No-Go performance in normal weight participants. We conclude that elevated BMI and illicit drug use are predictive of poorer performance on executive functioning tasks that require inhibition of a prepotent response.
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