在人类皮层下皮层连接中功能梯度的遗传性
Xinyu Wu1, Yu Zhang1, Mufan Xue1
1Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, Beijing, China.
Communications biology
|July 12, 2024
概括
人类皮质下皮质是人类皮质下皮质.
科学领域:
- 神经科学是一个神经科学.
- 人类大脑成像技术
- 遗传学 是一个遗传学.
背景情况:
- 人类皮质下对于认知和精神疾病至关重要.
- 皮层下功能连接梯度的遗传性尚未得到充分理解.
研究的目的:
- 为了研究皮层下功能梯度的遗传性.
- 探索皮层下功能组织的结构和遗传基础.
主要方法:
- 利用来自大型队伍的双重功能性MRI (fMRI) 数据 (人类连接体项目,青少年大脑认知发展研究).
- 构建了大规模的皮层下功能梯度.
- 应用机器学习框架来分析双胞胎关系.
- 检查了遗传性和解剖髓 (T1w/T2w比率) 之间的关联.
主要成果:
- 在亚皮层中确定了从单模网络到跨模网络的主要功能梯度.
- 证明这种梯度是可遗传的,在皮下层次结构中强度各不相同.
- 在使用皮层下梯度模式来区分单胞胎和双胞胎双胞胎的准确率达到了76.2%.
- 功能梯度与皮层下髓含量相关的遗传性.
结论:
- 皮层下功能梯度表现出显著的遗传性.
- 基于髓的结构性质有助于对皮下功能组织的遗传影响.
- 研究结果提供了关于皮质下功能层次结构的遗传和结构基础的见解.
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