脉动皮层和皮层-皮层连接之间的共享功能组织及其结构和分子成像相关联
Gianpaolo Antonio Basile1, Augusto Ielo2, Lilla Bonanno2
1Brain Mapping Lab, Department of Biomedical, Dental Sciences and Morphological and Functional Imaging, University of Messina, Messina, Italy.
大脑最大的核,pulvinar,显示其结构和功能沿着特定轴的连续梯度在人类. 这个组织与神经调节器系统联系在一起,推动我们对大脑连接的理解.
科学领域:
- 神经科学是一个神经科学.
- 人类大脑解剖学 人类大脑解剖学
- 塔拉米细胞核研究研究
背景情况:
- 胸膜,最大的胸膜核,对于感知和注意力至关重要.
- 它的组织传统上被视为不同的亚核,但最近的证据表明连续的梯度.
- 人类的脉动组织,特别是基于梯度的架构,比灵长类动物的理解要少.
研究的目的:
- 为了探索人类脉动器的梯度结构.
- 整合结构,功能和分子数据来绘制脉动组织的地图.
- 研究脉动梯度与皮层连接和神经调节器系统之间的关系.
主要方法:
- 在人类中利用多式结构和功能成像.
- 应用扩散嵌入到曲谱和功能连接数据.
- 整合了19个神经递质系统和受体同表达模式的全脑PET图谱.
主要成果:
- 识别了人类肺部内的结构连接,功能协活性和分子结合模式的多个梯度.
- 这些梯度沿着背腹和中侧轴线对齐,反映出皮层连接性的过渡.
- 观察到神经调节器系统的分子标记物 (血清激素,诺拉德,多巴胺,阿片类药物) 的逐渐变化,与这些梯度并行.
结论:
- 人类的肺部表现出沿着特定轴的连续梯度组织,挑战了传统的亚核划分.
- 这种组织得到了神经调节器系统的结构/功能连接和分子概况的支持.
- 提供了一个研究脉动器在健康和神经系统疾病中的作用的框架.
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