冲动性是指行为缺乏考虑,不成熟,过度冒险或作出与环境不适应行为导致不好的结果。很多研究预期通过个体冲动性特质差异来解释不同的饮食行为,进而说明体重增长的原因。国外的研究主要从冲动性的行为抑制能力和奖励敏感性探讨其对饮食行为的影响,并总结了冲动性对饮食行为的影响机制。 Impulsiveness is the result of lack of consideration, immatureness, excessive risk taking, or bad behavior resulting from an unacceptable fit with the environment. Many studies expect to explain different dietary behaviors through differences in individual impulsivity traits, thus explaining the causes of weight gain. Foreign studies mainly from impulsive behavioral inhibition and reward sensitivity to explore its impact on dietary behavior, and summarizes the impact of impulse on diet behavior.