Comparison of the repeatability of GABA‐edited magnetic resonance spectroscopy with and without macromolecule suppression

The inhibitory neurotransmitter γ‐aminobutyric acid (GABA) can be measured in vivo using edited magnetic resonance spectroscopy (MRS), but quantification suffers from contamination by macromolecules (MM). It is possible to suppress this contamination using symmetric editing, but this procedure potentially compromises reliability of the GABA measurement. The aim of this study was to compare the repeatability of GABA‐edited MRS with and without MM suppression.

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