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Auditory cortex GABA concentrations in the tinnitus and control groups. AC, Auditory cortex. Boxes indicate interquartile range, with horizontal line at the median, and whiskers indicate full range, barring outliers that are indicated with + signs. GABA was significantly reduced (p < 0.05) as a main effect of subject group (tinnitus vs control) and in the RAC. Results displayed here are also tabulated in Table 1.
