儿童早期生活压力和功能网络拓学
Hee Jung Jeong1, Gabrielle E Reimann1, E Leighton Durham1
1Department of Psychology, Vanderbilt University, Nashville, TN 37240, USA.
Developmental cognitive neuroscience
|March 22, 2024
概括
早期的生活压力影响大脑网络组织,导致关键大脑区域的专业化减少和效率改变. 这些发现凸显了环境压力因素对青少年大脑发育的广泛影响.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 环境健康 环境健康
背景情况:
- 在发育过程中大脑的可塑性使得功能网络容易受到早期生活压力.
- 关于早期生活压力如何影响大脑的功能组织的理解有限.
- 青少年大脑认知发展 (ABCD) 研究为研究这些关联提供了丰富的数据集.
研究的目的:
- 研究青少年环境压力因素与大脑功能网络拓学的关联.
- 确定特定的环境压力因素及其对大脑组织的独特影响.
- 了解不同类型的早期生活压力如何影响网络专业化和效率.
主要方法:
- 利用层次模型来确定环境压力的一般因素及其子因素 (家庭动态,人际支持,社区SES剥夺,城市化).
- 应用图形理论分析功能网络拓度量在休息状态和认知任务 (奖励处理,抑制,情感工作记忆) 期间.
- 研究了环境压力因素与模块化和效率等网络指标之间的关联.
主要成果:
- 环境压力的一般因素与静止时的网络专业化 (较低的模块化) 的减少有关.
- 一般环境压力与皮质下大脑和视觉网络的效率下降相关,但在默认模式的静止网络中效率提高.
- 环境压力的特定子因素与各种大脑网络中的网络专业化和效率有着明显的关联.
结论:
- 童年经历的环境压力因素与青少年大脑网络拓学的显著改变有关.
- 这些发现强调了环境因素对发育中的大脑功能架构的普遍影响.
- 了解这些关联对于识别风险人群和制定有针对性的干预措施至关重要.
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