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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...

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Related Experiment Video

Updated: Jun 15, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms

Published on: March 21, 2019

[Analyzing Frequency-Dependent Human Brain Information Flow in Resting-State fMRI Using Multiple Effective

Zhizheng Zhuo¹, Zhuyuerong Li¹, Yaou Liu¹

¹（ 100070） Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.

Sichuan Da Xue Xue Bao. Yi Xue Ban = Journal of Sichuan University. Medical Science Edition

|September 18, 2025

Summary

This summary is machine-generated.

Brain connectivity differs across frequency bands. Low frequencies show information flowing into occipital and parietal lobes, while high frequencies show the opposite direction, revealing frequency-dependent brain network patterns.

Area of Science:

Neuroscience
Brain Connectivity
Functional Magnetic Resonance Imaging

Keywords:

Convergent cross mapping Frequency-dependent Granger causality analysis Information flow Resting-state functional magnetic resonance imaging Transfer entropy

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