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

van der Zwaag, WietskeMarques, Jose P.Lei, HongxiaJust, NathalieKober, TobiasGruetter, Rolf2010-11-302010-11-302010-11-30200910.1002/jmri.21951https://infoscience.epfl.ch/handle/20.500.14299/59675WOS:000271247900035Purpose: 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.Nyquist ghostghost correctionEpifMRIReference-ScanGeometric DistortionEpiArtifactsBrainFmriCIBM-AITMinimization of Nyquist ghosting for echo-planar imaging at ultra-high fields based on a "negative readout gradient" strategytext::journal::journal article::research article