Mapping axonal density and average diameter using non-monotonic time-dependent gradient-echo MRI

TL;DR

This paper introduces a new MRI-based method to measure axonal density and diameter by utilizing multiple gradient echo sequences, providing a potentially accessible approach for neuroimaging analysis.

Contribution

It proposes a novel non-monotonic, time-dependent gradient-echo MRI technique for quantifying axonal microstructure, which is simpler than existing methods.

Findings

Successfully estimates axonal density and diameter in experimental settings

Demonstrates improved accuracy over traditional MRI techniques

Provides a practical approach for neuroimaging studies

Abstract

This paper presents a novel method for quantifying axonal density and diameter using simple multiple gradient echo (MGE) MRI