功能连接体梯度的破坏,揭示了儿科双相情感障碍中的网络不平衡
Wenkun Lei1, Qian Xiao2, Chun Wang3
1School of Psychology, Nanjing Normal University, Nanjing, Jiangsu, 210097, China; Jiangsu Key Laboratory of Mental Health and Cognitive Science, Nanjing, Jiangsu, 210097, China; International Joint Laboratory of Child and Adolescent Psychological Development and Crisis Intervention, Nanjing, Jiangsu, 210097, China.
这项研究揭示了儿科双极性障碍 (PBD) 中大脑网络组织的改变. 结果显示PBD患者的功能连接体梯度模式明显,可能有助于诊断评估.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 脑部成像 脑部成像
背景情况:
- 儿科双极性障碍 (PBD) 涉及大脑网络的改变,但拓组织的变化仍然不清楚.
- 了解功能网络层次结构对于PBD研究至关重要.
研究的目的:
- 使用连接组梯度检查PBD中功能网络层次的变化.
- 研究PBD中大脑网络的拓组织的变化.
主要方法:
- 利用连接体梯度来比较PBD患者 (n=68) 和健康对照组 (HC,n=37) 之间的功能梯度图.
- 检查了改变区域梯度得分和临床因素之间的相关性.
- 使用神经合成来对与PBD梯度变化相关的认知术语进行元分析.
主要成果:
- PBD患者在主要连接体梯度中表现出全球地形变化.
- 默认模式网络 (DMN) 显示了更高的梯度得分,而传感机动网络 (SMN) 在PBD中显示了较低的得分.
- 区域梯度差异与临床特征和认知/感官处理术语有显著的相关性.
结论:
- 功能连接组梯度为PBD中的大规模网络层次结构提供了全面的视图.
- DMN和SMN之间的过度分离支持了PBD中自上而下/自下而上控制失衡的理论.
- 这些发现表明了PBD诊断评估的潜在生物标志物.
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