H. J. Wittsack

Latest

• Big GABA II: Water-referenced edited MR spectroscopy at 25 research sites
• J-difference-edited MRS measures of γ-aminobutyric acid before and after acute caffeine administration
• Connecting occipital alpha band peak frequency, visual temporal resolution, and occipital GABA levels in healthy participants and hepatic encephalopathy patients
• Big GABA: Edited MR spectroscopy at 24 research sites
• Use of quantitative brain water imaging as concentration reference for J-edited MR spectroscopy of GABA
• Covert hepatic encephalopathy: elevated total glutathione and absence of brain water content changes
• Beta Peak Frequencies at Rest Correlate with Endogenous GABA+/Cr Concentrations in Sensorimotor Cortex Areas
• Low visual cortex GABA levels in hepatic encephalopathy: links to blood ammonia, critical flicker frequency, and brain osmolytes
• Pilot study of Iopamidol-based quantitative pH imaging on a clinical 3T MR scanner