社会隔离,大脑食物线索处理,饮食行为和心理健康症状
Xiaobei Zhang1,2,3,4, Soumya Ravichandran2,5, Gilbert C Gee6,7
1Goodman-Luskin Microbiome Center, University of California, Los Angeles.
JAMA network open
|April 4, 2024
概括
社会孤立会影响大脑对食物线索的反应,导致饮食行为发生变化,身体脂肪增加和心理健康恶化. 这些神经变化调解了隔离与负面健康结果之间的联系.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 公共卫生 公共卫生
背景情况:
- 感知到的社会隔离与不良的健康结果有关,包括饮食失调,肥胖和心理困扰.
- 这些关联背后的神经机制在很大程度上仍未被探索.
研究的目的:
- 检查感知到的社会隔离与大脑对食物线索的反应之间的关系.
- 调查与饮食行为,身体组成和心理健康的关联.
主要方法:
- 一项涉及洛杉矶93名健康的绝经前妇女的横截面研究.
- 功能磁共振成像 (fMRI) 用于评估大脑对食物线索的反应.
- 参与者填写了有关饮食行为,身体组成和心理健康的问卷.
主要成果:
- 更高的社会隔离与增加的脂肪量,更差的饮食质量,不适应的饮食行为和更糟糕的心理健康相关.
- 具有较高社会隔离度的个体在关键神经网络中对食物线索的大脑反应性发生变化.
- 对甜食的反应的神经变化调解了社会隔离与不适应性饮食,增加体脂和减少积极影响之间的关联.
结论:
- 社会隔离与食物线索的神经处理改变有关,影响食欲调节和执行控制.
- 这些神经变化有助于增加肥胖,饮食失调和心理健康受损的风险.
- 需要进行心身干预,以应对社会隔离对健康的影响.
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