相关实验视频

Updated: Jul 15, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

[弧形和上纵的微解剖学和功能性MRI研究]

C Li¹, A F Di², Q Li³

¹Department of Neurosurgery,Ma'anshan People's Hospital,Ma'anshan 243000,China.

Zhonghua wai ke za zhi [Chinese journal of surgery]

|September 28, 2023

概括

弧形囊 (AF) 和上纵囊 (SLF) 是关键的表面白质通道,连接大脑区域. 这些通路对于在皮层和深层大脑结构之间传输信息至关重要.

科学领域:

神经科学是一个神经科学.
神经解剖学是一个神经解剖学.
神经成像是一种神经成像.

背景情况:

弧形囊 (AF) 和上纵囊 (SLF) 是关键的白质区域,参与语言和认知功能.
了解它们精确的微解剖学和体内功能连接对于神经学研究至关重要.

研究的目的:

通过尸体解剖来研究AF和SLF的微解剖学.
分析这些区域的功能磁共振成像 (fMRI) 特性.
将微解剖学发现与fMRI数据相关联,以阐明它们的功能作用.

主要方法:

使用克林格勒技术 (放大6-40倍) 对20个成年人类大脑半球的白质纤维剖析.
在6名健康的成年志愿者身上进行功能性MRI (fMRI) 和扩散张力成像 (DTI).
集成微解剖学和DTI数据进行全面分析.

主要成果:

AF和SLF被确定为U纤维下面的表面长联结纤维.
AF可以分为背部和腹部部分;SLF可以分为I,II和III类型.
观察到AF,SLF II/III和大脑深层纤维之间有密切的联系,皮质和侧裂口以上的深层U纤维之间没有直接的表面长联结纤维连接.

结论:

AF和SLF是连接灰质和深层大脑结构的主要表面长联络纤维.
这些通道,特别是AF和SLF II/III,对于侧裂口以上的表面层中前后信息传输至关重要.
它们复杂的网络很可能有助于皮层和皮下区域之间的通信.

更多相关视频

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

High-resolution Functional Magnetic Resonance Imaging Methods for Human Midbrain

Published on: May 10, 2012

Fiber Connections of the Supplementary Motor Area Revisited: Methodology of Fiber Dissection, DTI, and Three Dimensional Documentation

Fiber Connections of the Supplementary Motor Area Revisited: Methodology of Fiber Dissection, DTI, and Three Dimensional Documentation

Published on: May 23, 2017

相关概念视频

Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

Imaging Studies IV: Magnetic Resonance Imaging

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...