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Brain Imaging

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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相关实验视频

Updated: Jul 9, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

时间解析的大规模神经同激活在猿的.

Valarie Ivey¹, Han Yuan², Lei Ding²

¹Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, USA.

|August 2, 2025

概括

在使用电皮质谱 (ECoG) 的子中观察到的大规模大脑协同激活模式 (CAPs) 与通过电脑谱 (EEG) 在人类中发现的模式非常相似. 这些快速的,特定频率的大脑动态在进化过程中被保存下来,并且在物种之间具有重要功能.

关键词:

协同激活模式同时激活模式电皮质谱学电皮质谱学电皮质谱学电脑电图 (电脑电图) 是一种脑电图.快速的动态快速的动态.一个子子.时间解决的时间.

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Real-Time fMRI Brain Mapping in Animals

Real-Time fMRI Brain Mapping in Animals

Published on: September 24, 2020

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Published on: January 19, 2024

相关实验视频

Last Updated: Jul 9, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Real-Time fMRI Brain Mapping in Animals

Real-Time fMRI Brain Mapping in Animals

Published on: September 24, 2020

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Author Spotlight: Comparative Imaging of Neural Activity in Awake and Freely Moving States

Published on: January 19, 2024

科学领域:

神经科学是一个神经科学.
进行比较的神经生理学.
系统神经科学系统神经科学

背景情况:

大规模的分布式大脑激活对于信息处理和整合至关重要.
这些模式在人类的血液动力学和电磁信号以及动物大脑中被观察到,这表明进化保存.
人体脑电图 (EEG) 和脑磁图 (MEG) 研究显示这些激活的频率特定,快速的动态 (几十毫秒),但这在动物身上仍然没有研究过.

研究的目的:

在子大脑中使用电皮质谱 (ECoG) 调查时间解析的大规模联合激活模式 (CAPs).
在休息状态下,将子ECoG CAP与全头人类EEG CAP进行比较.
为了确定是否快速,大规模的大脑动态在物种之间得到保护.

主要方法:

在子中利用了几乎整个半球的电皮质谱 (ECoG) 数据.
分析了静止状态ECoG数据,以确定时间解析的大规模联合激活模式 (CAPs).
将子CAP与以前报告的人类EEG CAP进行了比较,重点关注空间,时间和带特定 (α频段) 的相似性.

主要成果:

在子ECoG数据中确定了大脑范围的CAP,这些数据与人类EEG CAP有显著的相似之处.
在个别的CAP的空间和时间模式以及它们的相对差异中观察到相似之处,特别是在α频段.
子CAP中的过渡模式揭示了类似于人类的超结构,控制休息状态大脑动态和空间表达.

结论:

快速,大规模的大脑事件 (CAPs) 在非人类灵长类动物中存在,反映了人类的大脑活动.
这些动态在进化过程中得到了保护,并且可能在各个物种中具有功能重要性.
这些发现支持研究动态的大规模大脑组织的跨物种相关性.