2018
Strain map of the tongue in normal and ALS speech patterns from tagged and diffusion MRI
Xing F, Prince J, Stone M, Reese T, Atassi N, Wedeen V, El Fakhri G, Woo J. Strain map of the tongue in normal and ALS speech patterns from tagged and diffusion MRI. Proceedings Of SPIE--the International Society For Optical Engineering 2018, 10574: 1057411. PMID: 29706684, PMCID: PMC5922778, DOI: 10.1117/12.2293028.Peer-Reviewed Original ResearchDiffusion tensor imagingAmyotrophic lateral sclerosis subjectsAmyotrophic lateral sclerosisNormal subjectsMagnetic resonance (MR) techniquesAmyotrophic lateral sclerosis patientsTagged magnetic resonance imagingMagnetic resonance imagingMR imaging techniquesMotion sequencesDeath of neuronsMotion fieldDiffusion tensor imaging dataSwallowing functionLines of actionTongue tissueResonance imagingFiber directionTongue musclesTongue motionSpeech patternsMotion atlasActive regionTensor imaging
2013
Magnetic Resonance-Based Motion Correction for Positron Emission Tomography Imaging
Ouyang J, Li Q, Fakhri G. Magnetic Resonance-Based Motion Correction for Positron Emission Tomography Imaging. Seminars In Nuclear Medicine 2013, 43: 60-67. PMID: 23178089, PMCID: PMC3508789, DOI: 10.1053/j.semnuclmed.2012.08.007.Peer-Reviewed Original ResearchConceptsMotion correctionClinical whole-body PET scannersMotion-corrected PET imagesWhole-body PET scannerPET motion correctionNonrigid image registration algorithmAcquired MR imagesRespiratory motionImage registration algorithmPET scannerSimultaneous PET/magnetic resonancePET reconstructionSimultaneous PET/MRPatient motionImage qualityIterative PET reconstructionPET/MR studiesPET/magnetic resonanceAttenuating mediaImage artifactsRegistration algorithmSpatial resolutionReconstruction algorithmPositron emission tomographyMR imaging techniques