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Convexity (β) and non-linearity (α). The graphs compare convexity (β; top) and non-linearity (α; bottom) in Obese subjects with binge eating disorder (BED) and without BED (Obese controls), abstinent alcohol dependent (EtOH) and abstinent methamphetamine dependent (Meth) subjects versus their own ageand gender-matched controls. Error bars represent standard error of the mean. *Main Group effect. Details of significant differences are described in the text and Table S5.
