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Neuroimaging-Guided TMS–EEG for Real-Time Cortical Network Mapping

Neuroimaging-Guided TMS–EEG for Real-Time Cortical Network Mapping

Published on: June 13, 2025

Fast imaging for mapping dynamic networks.

Pierre LeVan¹, Burak Akin¹, Jürgen Hennig¹

¹Dept. of Radiology, Medical Physics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany; BrainLinks-BrainTools Cluster of Excellence, University of Freiburg, Germany.

|August 15, 2017

Summary

This summary is machine-generated.

Fast functional MRI (fMRI) enables non-invasive monitoring of brain activity with high temporal resolution. This technique enhances the detection of dynamic brain connectivity and transient network changes, offering richer insights into brain function.

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Area of Science:

Neuroimaging
Brain Connectivity
Functional Magnetic Resonance Imaging (fMRI)

Background:

Accelerated fMRI acquisition techniques offer novel possibilities for non-invasive monitoring of cerebral activity.
Dynamic connectivity provides a richer characterization of brain function than static measures.
Fast fMRI is crucial for tracking dynamically varying brain networks.

Purpose of the Study:

To review technological advancements in fast fMRI.
To discuss the implications of fast fMRI for analyzing dynamic brain networks.
To highlight the benefits of high temporal sampling rates in fMRI.

Main Methods:

Review of recent technological advancements in fast fMRI acquisition.
Analysis of the impact of high temporal sampling on BOLD signal measurement.
Examination of evidence for detectable BOLD fluctuations at high frequencies.

Main Results:

Fast fMRI improves the measurement of physiological noise.
High temporal sampling enhances sensitivity for detecting transient connectivity.
Relevant BOLD fluctuations are detectable at high frequencies, extending benefits beyond nuisance confounds.

Conclusions:

Fast fMRI is an effective acquisition technique for studying dynamic brain networks.
High temporal resolution in fMRI is key for understanding transient functional connectivity.
Future implications of fast fMRI include advanced analysis of dynamic brain function.