Magnetization transfer explains most of the T₁ variability in the MRI literature

The code in the first section reproduces all results in the paper Magnetization transfer explains most of the T₁ variability in the MRI literature. The code is written in the open-source language Julia and is structured as follows:

• T₁-mapping methods: This script contains functions to simulate the MR signal of each T₁-mapping method and fit a mono-exponential T₁ to the simulated data.
• Global fit: This script performs the fits of the quantitative magnetization transfer parameters to the variable T₁ estimates.
• Helper functions: This script contains implementations of RF pulses and some helper functions, which are less relevant for understanding the simulations. This script also loads all required packages.

Sensitivity of literature T₁ mapping methods to the underlying magnetization transfer parameters

The code in the second section reproduces all results in the follow-up paper Sensitivity of literature T₁ mapping methods to the underlying magnetization transfer parameters. The code is also written in the open-source language Julia and is structured as follows:

• Sensitivity analysis: This script calculates the derivatives, analyzes, and plots them.
• Helper functions for the sensitivity analysis: This script contains functions for the calculation of the coefficient of determination R². This script also loads all required packages.