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Cerebral Hemispheres

Cerebral Hemispheres

The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...

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相关实验视频

Updated: Jul 20, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

在人类大脑中解读时间空间的精神减法.

Na Clara Pan^1,2, Chengtian Zhao³, Jialin Du⁴

¹Department of Neurology, Xuanwu Hospital, Capital Medical University, No. 45, Changchun Street, Xicheng District, 100053 Beijing, China.

Cognitive neurodynamics

|June 3, 2024

概括

这项研究揭示了大脑.

关键词:

认知控制认知控制电子生理学电子生理学头脑算术头脑中的算术发现不匹配的检测不匹配.

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A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

相关实验视频

Last Updated: Jul 20, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

科学领域:

神经科学是一个神经科学.
认知科学认知科学
心理学心理学心理学

背景情况:

心理减去涉及复杂的大脑活动.
以前的成像技术缺乏高时空分辨率.
了解减去的神经机制是不完整的.

研究的目的:

为了研究精神减去的时空神经机制.
识别参与数值处理和操作的大脑区域.
用高分辨率的内记录来揭示心理减去的时间框架.

主要方法:

20名患者的内立体电脑录像 (SEEG) 记录.
利用了两个样本延迟不匹配范式:数值比较和减去结果比较.
在减法任务中对大脑子区域进行时间选.

主要成果:

前皮层 (正面皮层,岛内皮层,副海马皮层) 准备进行减法.
在减法过程中,后皮层 (,,边缘,) 合作.
皮-皮-皮皮层中的马带活动对于心理减法至关重要.

结论:

这是第一个在心理减法过程中绘制空间时空大脑活动图的研究.
提供了全面的洞察力在心理算术的认知控制.
在减法中突出显示前后皮层区域之间的相互作用.