Figure 4From: Localized 1H-NMR spectroscopy in patients with fibromyalgia: a controlled study of changes in cerebral glutamate/glutamine, inositol, choline, and N-acetylaspartateScatterplot of the correlations between brain metabolites and psychological variables in patients with FM. FIQ, Fibromyalgia Impact Questionnaire; Glx, glutamate+glutamine; Glx-Cr, glutamate+glutamine/creatine; HADS-dep: Hospital Anxiety Depression Scale (depression subscale); Sphig, pain assessed with sphygmomanometer (the pressure that is needed to evoke pain). Blue circles represent patients with FM.Back to article page