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MRI Scanner for Functional Brain Imaging

用于功能性脑成像的 MRI 扫描仪

基本信息

批准号：
8333736
负责人：
DOUGLAS C NOLL
金额：
$ 200万
依托单位：
UNIVERSITY OF MICHIGAN AT ANN ARBOR
依托单位国家：
美国
项目类别：
财政年份：
2012
资助国家：
美国
起止时间：
2012-07-15 至 2015-07-14
项目状态：
已结题

项目摘要

DESCRIPTION (provided by applicant): In this application, we request funds to purchase a 3.0 T MRI scanner for functional imaging of the brain. The scanner will be used purely for research purposes at the University of Michigan's Functional MRI Laboratory. The proposed scanner will serve as a replacement for the current, heavily used system, which is now out of date and difficult to repair. The new system comprises state-of-the-art capabilities and will serve as the backbone of functional MRI (fMRI) research at the University of Michigan. The highlights of the new system's capabilities include 32 channels for parallel imaging and eight channels for parallel transmission. The new system also has significantly improved capabilities for real-time imaging and data processing, and improved performance in terms of gradient duty cycle as well as system stability and homogeneity. The new scanner's improved gradient performance will permit higher resolution imaging in a shorter period of time. The new system's larger and shorter bore will also be significantly beneficial for subject comfort, and will facilitate the use of additional stimulation and monitoring equipment inside the bore of the scanner. Parallel excitation capabilities will allow for routine use of methods for correcting for signal loss artifats in fMRI. The proposed system will be used by 21 projects concerned with functional MRI technology development as well as basic and translational neuroscience.

描述（由申请人提供）：在本申请中，我们请求资金购买一台 3.0 T MRI 扫描仪，用于大脑功能成像。该扫描仪将纯粹用于密歇根大学功能核磁共振实验室的研究目的。拟议的扫描仪将替代当前使用频繁的系统，该系统现已过时且难以修复。新系统包含最先进的功能，并将服务于作为密歇根大学功能磁共振成像 (fMRI) 研究的支柱。新系统功能的亮点包括32个并行成像通道和8个并行传输通道。新系统还显着提高了实时成像和数据处理能力，提高了梯度占空比、系统稳定性和均匀性方面的性能。新扫描仪改进的梯度性能将允许在更短的时间内获得更高分辨率的成像。新系统更大和更短的孔径也将显着有利于受试者的舒适度，并将有助于在扫描仪孔径内使用额外的刺激和监测设备。并行激励功能将允许常规使用校正功能磁共振成像中信号丢失伪影的方法。拟议的系统将被 21 个与功能 MRI 技术开发以及基础和转化神经科学相关的项目使用。