一个环统治他们所有:前额叶皮质在指导与任务相关的大脑动态中的统一作用
Gustavo Deco1, Yonatan Sanz Perl2, Adrián Ponce-Alvarez3
1Center for Brain and Cognition, Computational Neuroscience Group, Department of Information and Communication Technologies, Universitat Pompeu Fabra, Roc Boronat 138, Barcelona 08018, Spain; Institució Catalana de la Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, Barcelona 08010, Spain.
一项新的研究揭示了前额叶皮层 (PFC) 区域的特定环调节复杂的大脑功能. 这些关键的PFC区域,包括下额头,是认知和情绪任务的关键驱动器.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 计算精神病学是一种计算精神病学.
背景情况:
- 高级大脑功能需要平衡复杂的认知与生存行为.
- 众所周知,前额叶皮层 (PFC) 对各种认知和情绪任务至关重要.
- 在PFC内部的层次组织和特定的驱动区域仍然不完全理解.
研究的目的:
- 为了确定负责编排更高大脑功能的层次结构顶部的关键大脑区域.
- 开发和应用一个框架来发现这些驱动大脑区域使用全脑建模和神经成像数据.
- 调查已识别的PFC区域在认知和情感任务执行中的因果作用.
主要方法:
- 将一个依赖时间的全脑模型与来自人类结合体项目的神经成像数据 (>1000名参与者) 相结合.
- 休息期间的计算产量和七个认知任务,以确定大脑动态驱动因素.
- 在全脑模型中利用选择性损伤来确定已识别区域的因果机制重要性.
主要成果:
- 确定了一组统一的前额叶皮层 (PFC) 区域作为要求认知任务期间大脑动态的常见驱动器.
- 关键区域包括下额头,侧轨道前皮层,面额和尾部前皮层以及面额前带状皮层.
- 因果分析证实了这些PFC区域在编排高层大脑功能的关键作用.
结论:
- 前额叶皮层区域的一个特定的"环"控制着高级大脑功能的编排.
- 这种等级组织为理解大脑如何平衡复杂的认知和行为提供了一个框架.
- 这些发现强调了这些PFC区域在认知控制和情绪调节中的因果关系的重要性.
更多相关视频
10:33Correlating Behavioral Responses to fMRI Signals from Human Prefrontal Cortex: Examining Cognitive Processes Using Task Analysis
Published on: June 20, 2012
13:18Conducting Concurrent Electroencephalography and Functional Near-Infrared Spectroscopy Recordings with a Flanker Task
Published on: May 24, 2020
相关概念视频
Role of Cerebellum and Prefrontal Cortex in Memory
Organization of the Brain
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Functional Brain Systems: Reticular Formation
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Association Areas of the Cortex
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Functional Brain Systems: Limbic System
Lobes of the Cerebrum
Frontal lobe
The frontal lobes, located behind the forehead, are the command center of our brain, controlling personality, intelligence, and voluntary muscle movements....
