: Introduce Gradient Moment Nulling (GMN) as a technique that modifies gradient waveforms so the net phase shift for moving spins is zero at the time of echo. 2. Theoretical Background
Gradient moment nulling in a fast spin echo NMR pulse sequence
To put together a paper on (often referred to as "flow compensation"), you should focus on its role in reducing image artifacts caused by motion, such as blood flow or cerebrospinal fluid (CSF).
: Explain how flowing spins (blood, CSF) accumulate phase shifts relative to stationary tissue, leading to "ghosting" artifacts or signal loss in standard MRI sequences.
Below is a structured outline to help you organize your paper based on current MRI research and techniques.
: Define a gradient moment as a measure of flow-sensitization (specifically the first-order moment, M1cap M sub 1
