的腹腔内功能连接模式揭示了前后专业化,反映了人类腹腔内区域所描述的特点
Wei-An Sheng1, Simon Clavagnier1, Mathilda Froesel1,2
1Institut des Sciences Cognitives Marc Jeannerod, UMR5229, CNRS-University of Lyon 1, Lyon, France.
Imaging neuroscience (Cambridge, Mass.)
|August 13, 2025
概括
的腹腔内膜区域 (VIP) 沿着它的前后轴显示功能专业化. 前部VIP连接到运动和触觉区域,而后部VIP连接到运动和眼睛运动区域.
科学领域:
- 神经科学是一个神经科学.
- 灵长类大脑研究研究
- 功能连接的功能连接性
背景情况:
- 的腹部内皮区域 (VIP) 处理多感官信息,对周围空间意识等认知功能至关重要.
- 虽然人类的VIP显示区域专业化,但 VIP的解剖学划分缺乏明确的功能关联.
- 现有的功能性MRI数据表明VIP的前后功能梯度.
研究的目的:
- 通过检查其全脑静止状态功能连接来调查 VIP 中的功能专业化.
- 为了比较功能连接配置文件与解剖学跟踪和基于任务的fMRI发现.
- 为了确定的前后区域是否表现出不同的功能专业化.
主要方法:
- 将 VIP 分成三个前后感兴趣的区域 (ROI).
- 在清醒休息状态期间评估了双侧,全脑功能连接.
- 与现有的解剖学和基于任务的fMRI数据比较休息状态的功能连接配置文件.
主要成果:
- 功能性连接性配置密切反映了解剖学连接性模式.
- 前部VIP显示出与涉及到触及和抓取的运动,触觉和自身感受区域的强烈联系.
- 后部VIP表现出与运动处理和眼睛运动相关的区域的最大功能连接.
结论:
- 休息状态的功能连接性支持前和后的不同功能专业化.
- 这些发现与人类的VIP区域专业化一致,并建议保留功能组织.
- 这项研究提供了VIP中功能差异化的证据,补充了解剖学和基于任务的研究.
相关概念视频
01:14Motor and Sensory Areas of the Cortex
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
01:21Association Areas of the Cortex
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
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,...
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,...
01:13Functional Brain Systems: Reticular Formation
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
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...
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...
01:23Somatosensory, Motor, and Association Cortex
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at the...