休息状态网络连接与青少年的认知灵活性表现有关 在青少年大脑认知发展研究中,休息状态网络连接与青少年的认知灵活性表现有关
Sarah A Thomas1, Sarah K Ryan2, Jodi Gilman3
1Bradley Hasbro Children's Research Center, 25 Hoppin St., Box #36, Providence, RI, 02903, USA; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA; Carney Institute for Brain Science, Brown University, Box 1901, 164 Angell St., 4th Floor, Providence, RI, 02912, USA.
Neuropsychologia
|October 28, 2023
概括
儿童的认知灵活性与大脑网络连接有关. 更高的灵活性与更强的右前端对称网络连接和更改的默认模式网络交互相关.
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
- 认知科学 认知科学
背景情况:
- 认知灵活性,一个关键的执行功能,在儿童时期发展.
- 认知灵活性受损与各种精神疾病有关.
- 了解认知灵活性的神经基础对于早期干预至关重要.
研究的目的:
- 研究休息状态神经架构与儿童认知灵活性之间的关联.
- 识别与不同水平的认知灵活性表现相关的静态网络 (RSN) 连接的差异.
主要方法:
- 利用了来自青少年大脑认知发展 (ABCD) 研究的休息状态fMRI数据的独立组件分析 (ICA) (n=967,年龄9-10岁).
- 根据任务得分,将参与者分为低 (CF-Low),平均 (CF-Average) 和高 (CF-High) 的认知灵活性表现.
- 在14个已识别的RSN中分析了全大脑连接模式,重点关注皮层-层电路和前端双层网络.
主要成果:
- 在性能组之间观察到右侧前端对称网络 (FPN),前部默认模式网络 (DMN) 和后部DMN的连接强度有显著差异.
- 与CF-Low相比,更高的认知灵活性 (CF-High) 与更强的右FPN连接到补充运动/前带皮层有关.
- 发现了改变的DMN连接模式,CF-High在前部DMN中显示出更多的抗相关连接,CF-Low显示出更强的后部DMN连接.
结论:
- 儿童的认知灵活性表现与DMN和FPN内的静止状态连接有关.
- 特定的RSN连接模式,可能具有最佳水平,与儿童的认知灵活性表现有关.
- 研究结果突出了认知灵活性的神经基础及其在精神健康发展轨迹中的潜在作用.
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