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September 17, 2025Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition

Resting state functional MRI with Multi echo GRE EPI on a high performance 0.5 T Head-only Scanner

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Authors

AHArjama HalderSCSofia ChavezCHChad Harris

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Overview

Observational analysis demonstrates reproducibility of resting state fMRI using multi-echo EPI at 0.5 T, suggesting broader clinical access.

Key Points

  • Spatial consistency of correlated regions within a specific network indicates reliable results using ME-EPI.
  • Dice coefficients greater than 0.5 and ICC around 0.6 show reproducibility across eleven healthy volunteers.
  • Repeated ME-EPI acquisitions reveal successful capture of networks, supporting the method's feasibility.
  • Potential for expanded access to reliable rs-fMRI in acute settings may improve neurological assessments.

Cite This Study

Halder et al. (2025) studied this question.

synapsesocial.com/papers/68d4597031b076d99fa5c6behttps://doi.org/10.58530/2025/1643
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Mid-term Interval Reliability of Multi-echo based Resting-state Functional Connectivity on a Compact 3T Scanner2025
  2. 2Investigating the feasibility of functional MRI using GRE EPI on a high performance 0.5 T Scanner2024
  3. 3Multi-Echo fMRI Analysis of the Fetal Brain at 0.55T2025
  4. 4Feasibility of personalized rTMS targeting using rs-fMRI on a 0.5T head-only MRI scanner: initial assessment of target reproducibility2025
  5. 5A comparative analysis of single-echo and multi-echo EPI sequences for task-fMRI2025