基于价值的认知控制缓和了青少年炎症与抑郁症的关系
Justin P Yuan1,2,3, Jonas G Miller4, Julian Joachimsthaler1
1Department of Psychology, Stanford University, Stanford, CA 94305, United States.
Social cognitive and affective neuroscience
|November 26, 2025
概括
炎症和大脑奖励功能相互作用,影响青少年抑郁风险. 减少腹状条纹体 (VS) 激活,放大了C-反应蛋白 (CRP) 与年轻人抑郁症状之间的联系.
科学领域:
- 神经科学是一个神经科学.
- 青少年精神病学 青少年精神病学
- 心理神经免疫学 心理神经免疫学
背景情况:
- 抑郁症与系统性炎症和改变的奖励处理/认知控制大脑功能有关.
- 在青少年抑郁风险中,炎症和大脑功能的相互作用是不太了解的.
- 青春期是出现抑郁症状的关键时期.
研究的目的:
- 研究炎症 (C-反应蛋白;CRP) 和大脑功能 (腹状条纹体;VS,腹侧前额皮质;vlPFC) 如何共同影响青少年抑郁症状.
- 在激励的去/不去任务期间,检查VS和vlPFC中的神经激活和功能连接.
- 测试VS和vlPFC激活/连接调节CRP-抑郁链接的假设.
主要方法:
- 100名青少年 (平均年龄为15.8岁) 的社区样本.
- 评估神经激活和功能连接使用fMRI在激励的去/不去任务 (高价值>低价值目标) 期间.
- 分析了VS和vlPFC中的心理生理相互作用,以及它们对CRP-抑郁症协会的适度.
主要成果:
- 一个显著的相互作用表明,减弱的VS激活放大了高CRP和增加抑郁症状之间的关联.
- 这种模式在青少年中逆转,即使是适度的VS激活,更高的CRP与较低的症状相关.
- 对于vlPFC激活,功能连接或与CRP的相互作用没有发现显著的影响.
结论:
- 在以价值为基础的认知控制期间的状腺激活在炎症与青少年抑郁症状的关系方面发挥着至关重要的作用.
- 这些发现凸显了大脑奖励回路对青少年心理健康和炎症影响的重要性.
- 在这个发育阶段对奖励回路功能进行进一步的研究是有必要的.
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