Individual differences in reward sensitivity are related to food craving and relative body weight in healthy women
Individual differences in reward sensitivity are related to food craving and relative body weight in healthy women
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DOI：
10.1016/j.appet.2005.04.004
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发表时间：
2005-10-01
期刊：
影响因子：
5.4
通讯作者：
Muris, P
中科院分区：
文献类型：
--
作者：
Franken, IHA;Muris, P
根据J.A.灰色，一个强烈反应的方法系统是高度敏感的奖励或信号奖励的线索。这意味着由食物的奖励特性驱动的摄入量应该受到接近系统反应性的个体差异的影响。本研究以女大学生为被试，探讨奖赏敏感性与食物渴求和相对体重之间的关系。参与者完成了对惩罚的敏感性和对奖励的敏感性问卷以及食物渴望问卷的特质版本，并报告了他们的体重和身高，以计算身体质量指数（BMI）。奖励敏感性与食物渴望和BMI显著相关。此外，奖励敏感性和BMI之间的相关性并没有减弱时，食物渴望的影响，表明奖励敏感性和BMI之间的关系是不介导的食物渴望。这是第一项研究证明了对奖励敏感的人格特质与BMI之间的关系。这些研究结果的背景下讨论的参与多巴胺能奖励电路暴饮暴食。(c)2005爱思唯尔有限公司保留所有权利。
According to the theory of J.A. Gray, a strongly reactive approach system is highly sensitive to reward or to cues that signal reward. This implies that intake driven by the rewarding properties of food should be affected by individual differences in reactivity of the approach system. The present study examined whether reward sensitivity is associated with food craving and relative body weight in a sample of female college students. Participants completed the Sensitivity to Punishment and Sensitivity to Reward Questionnaire and the trait version of the Food Craving Questionnaire and also reported their weight and height in order to compute Body Mass Index (BMI). Sensitivity to reward was significantly related to food craving and BMI. Furthermore, the correlation between reward sensitivity and BMI was not attenuated when the influence of food craving was partialled out, indicating that the relation between sensitivity to reward and BMI was not mediated by food craving. This is the first study demonstrating a relation between the personality trait of sensitivity to reward and BMI. These findings are discussed in the context of the involvement of dopaminergic reward circuitry in overeating. (c) 2005 Elsevier Ltd. All rights reserved.