分类偏差的补丁包围了人体横向前额叶皮层中核心域一般区域
Moataz Assem1, Sneha Shashidhara2, Matthew Glasser3,4,5
1MRC Cognition and Brain Sciences Unit, University of Cambridge, CB2 7EF, Cambridge, UK.
bioRxiv : the preprint server for biology
|January 27, 2025
概括
人的前额叶皮层 (PFC) 显示了一个详细的组织,在一般的多重需求 (MD) 区域旁边有特定域的补丁. 这种专业和一般电路的重复模式提升了我们对认知控制的理解.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
背景情况:
- 人体横向前额叶皮层 (PFC) 的功能组织尚未完全理解.
- 之前的fMRI研究在PFC中确定了域一般多重需求 (MD) 区域.
- 在PFC中对类别选择性补丁的证据有限,需要进行系统评估.
研究的目的:
- 调查PFC的细粒度功能组织.
- 为了确定与MD区域相邻的感觉偏差PFC补丁是否延伸到其他领域.
- 在PFC中绘制域特定和域一般电路的地形布局.
主要方法:
- 来自人类结合体项目 (HCP) 的两个独立的fMRI数据集 (n=449和n=37) 的分析.
- 使用高分辨率的多式共振磁共振 (MRI) 方法.
- 包括各种刺激 (面孔,地点,工具,身体部位) 的认知控制任务.
主要成果:
- 针对特定的刺激类别 (面部,地点,工具,身体部位) 确定了焦点,数字间的活动斑块.
- 这些域特定补丁位于与核心多重需求 (MD) 区域相邻.
- 结果是强大的,在不同的任务,设计和单个主题层面上复制.
结论:
- 在PFC中,出现了域特定和域一般电路之间的反复组织模式.
- 这种精细的观点增强了认知控制,皮质专业化和神经发育的模型.
- 这些发现提供了PFC功能组织的更详细的地图.
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