Department of Psychology, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcellos 2600, Porto Alegre, Brazil.
Department of Psychology, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcellos 2600, Porto Alegre, Brazil.
Neurosci Biobehav Rev. 2022 Mar;134:104525. doi: 10.1016/j.neubiorev.2022.104525. Epub 2022 Jan 5.
The Reinforcement Sensitivity Theory (RST) is a widely studied psychobiological model of personality. RST factors seem to influence eating behavior, but how these personality traits are associated with distinct features of eating behavior is still unclear. In the present systematic review, we analyzed the relationship between RST personality factors and eating behavior using a parsing approach in which BMI-related results, self-reported results, and behavioral results were distinguished. Our analysis revealed that reward and punishment sensitivity seem to correlate and influence distinct features of eating behavior. The association between BMI and RST factors was uncertain, but nonlinear associations between reward sensitivity and weight need further testing. Reward sensitivity was linked to most eating behavior phenotypes (e.g., emotional eating and restrained eating), but only punishment sensitivity was primarily correlated with eating pathology. Reward sensitivity was the main factor linked with reactivity to food stimuli on many behavioral measures. The neurobiological personality factors of RST offer parsimonious concepts to understand eating behavior outcomes and the differential relationships observed are useful to translational research.
强化敏感性理论（RST）是一个广泛研究的人格心理生物学模型。RST 因素似乎会影响饮食行为，但这些人格特质与饮食行为的不同特征有何关联尚不清楚。在本系统综述中，我们使用解析方法分析了 RST 人格因素与饮食行为之间的关系，其中区分了与 BMI 相关的结果、自我报告的结果和行为结果。我们的分析表明，奖励和惩罚敏感性似乎相互关联并影响饮食行为的不同特征。BMI 与 RST 因素之间的关联不确定，但奖励敏感性与体重之间的非线性关联需要进一步测试。奖励敏感性与大多数饮食行为表型（例如情绪性进食和约束性进食）相关，但只有惩罚敏感性主要与饮食病理相关。奖励敏感性是许多行为测量中对食物刺激反应的主要因素。RST 的神经生物学人格因素提供了简明的概念来理解饮食行为结果，观察到的差异关系对转化研究很有用。
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