Partial Volume Correction Method for Improving Test-Retest Repeatability of In Vivo Human Brain 1H MRS and Quantification of Neurochemical Concentrations at 7T

Keywords

absence according accuracy accurate achieved adjusted adjustment advantageous aging among applications appropriate array assess automatic available basis benefit better brain channel classification clinical coil concentrations confound consideration consistent consuming contamination contents contrast corrected correction density dependent developed deviation diseases efficacy emir equation especially estimating exact existing fast field find findings fluid formalism foundation fractions gray head histogram homogeneity hong human hypothesis illustrates important improved improvement improving in vivo incorporated increasingly inhomogeneity inhomogeneous intensity interleaved investigating likely localized manual measure measured metabolite metabolites might minimizing mixture modeling monitoring moreover narrower needed occasion occasions occurred otherwise partial patterns position posterior presence proton quality quantification quantified radiology receive reduced reliable repeat repeatability repositioning resolution respective retest scanned segmentation segmented sensitivity separation settings shimming shims similarity specificity spectra spectrum stability steam subject substantially successful surface thresholds tissue tools transmit treatment type typical ultra uncorrected upon utilized variation volume water whereas whereby white whole width