Publication

Minimization of Nyquist ghosting for echo-planar imaging at ultra-high fields based on a "negative readout gradient" strategy

Rolf Gruetter, Tobias Kober, Hongxia Lei, Wietske Van der Zwaag, José Pedro Rebelo Ferreira Marques, Nathalie Just
2009
Journal paper

Abstract

Purpose: To improve the traditional Nyquist ghost correction approach in echo planar imaging (EPI) at high fields, via schemes based on the reversal of the EPI readout gradient polarity for every other volume throughout a functional magnetic resonance imaging (fMRI) acquisition train.

Official source

https://infoscience.epfl.ch/record/159249?ln=en

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Minimization of Nyquist ghosting for echo-planar imaging at ultra-high fields based on a "negative readout gradient" strategy

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