Genetic basis of delay discounting in frequent gamblers: examination of a priori candidates and exploration of a panel of dopamine‐related loci

INTRODUCTION: Delay discounting is a behavioral economic index of impulsivity that reflects preferences for small immediate rewards relative to larger delayed rewards. It has been consistently linked to pathological gambling and other forms of addictive behavior, and has been proposed to be a behavioral characteristic that may link genetic variation and risk of developing addictive disorders (i.e., an endophenotype). Studies to date have …