Brain palpation from physiological vibrations using MRI

doi:10.1073/pnas.1509895112

2015-10-05

DOI：10.1073/pnas.1509895112

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摘要

En 中文

We present a magnetic resonance elastography approach for tissue characterization that is inspired by seismic noise correlation and time reversal. The idea consists of extracting the elasticity from the natural shear waves in living tissues that are caused by cardiacmotion, blood pulsatility, and any muscle activity. In contrast to other magnetic resonance elastography techniques, this noise-based approach is, thus, passive and broadband and does not need any synchronization with sources. The experimental demonstration is conducted in a calibrated phantom and in vivo in the brain of two healthy volunteers. Potential applications of this brain palpation approach for characterizing brain anomalies and diseases are foreseen.

Keyword:

elastography

brain

correlation

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对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

Proceedings of the National Academy of Sciences of the United States of America

IF:

9.1

论文数:

10.8W

被引数:

73.5W

机构

Universite Claude Bernard Lyon 1

学者数:

2.4W

论文数: 1.7W

被引数: 156

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