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肥胖的神经脆弱性模型的语境化。

Contextualizing the Neural Vulnerabilities Model of Obesity.

机构信息

Department of Psychology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.

Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA.

出版信息

Nutrients. 2023 Jun 30;15(13):2988. doi: 10.3390/nu15132988.

Abstract

In recent years, investigators have focused on neural vulnerability factors that increase the risk of unhealthy weight gain, which has provided a useful organizing structure for obesity neuroscience research. However, this framework, and much of the research it has informed, has given limited attention to contextual factors that may interact with key vulnerabilities to impact eating behaviors and weight gain. To fill this gap, we propose a , extending the existing theory to more intentionally incorporate contextual factors that are hypothesized to interact with neural vulnerabilities in shaping eating behaviors and weight trajectories. We begin by providing an overview of the , and briefly review supporting evidence. Next, we suggest opportunities to add contextual considerations to the model, including incorporating environmental and developmental context, emphasizing how contextual factors may interact with neural vulnerabilities to impact eating and weight. We then synthesize earlier models and new extensions to describe a with three interacting components-food reward sensitivity, top-down regulation, and environmental factors-all within a developmental framework that highlights adolescence as a key period. Finally, we propose critical research questions arising from the framework, as well as opportunities to inform novel interventions.

摘要

近年来,研究人员关注增加不健康体重增加风险的神经脆弱性因素,这为肥胖神经科学研究提供了一个有用的组织框架。然而,该框架以及它所告知的大部分研究都很少关注可能与关键脆弱性相互作用以影响饮食行为和体重增加的情境因素。为了填补这一空白,我们提出了一个扩展现有理论的模型,更有意地纳入假设与神经脆弱性相互作用以塑造饮食行为和体重轨迹的情境因素。我们首先提供了该模型的概述,并简要回顾了支持性证据。接下来,我们建议在该模型中加入情境考虑因素的机会,包括纳入环境和发展背景,强调情境因素如何与神经脆弱性相互作用以影响饮食和体重。然后,我们综合了早期模型和新的扩展,以描述一个具有三个相互作用成分的模型——食物奖励敏感性、自上而下的调节和环境因素——都在强调青春期作为关键时期的发展框架内。最后,我们提出了该框架产生的关键研究问题,以及为新的干预措施提供信息的机会。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/94fb/10346833/a306bbd9d7d9/nutrients-15-02988-g001.jpg

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