Fig. 1: MRI and MRS measurements comparisons among HC, PD-nRBD, and PD-RBD groups. | npj Parkinson's Disease

Fig. 1: MRI and MRS measurements comparisons among HC, PD-nRBD, and PD-RBD groups.

From: GABA outperforms iron and neuromelanin in detecting nigrostriatal alterations in early-stage Parkinson’s disease with RBD

Fig. 1

Iron deposition (left: a, right: b) and neuromelanin contrast ratio (left: c, right: d) in the SN. The GABA (e) and Glx (f) levels in the left basal ganglia among HC, PD-nRBD, and PD-RBD. Abbreviations: MRI magnetic resonance imaging, MRI magnetic resonance spectroscopy, HC healthy control, PD-nRBD Parkinson’s disease patients without Rapid Eye Movement Sleep Behavior Disorder, PD-RBD Parkinson’s disease patients with Rapid Eye Movement Sleep Behavior Disorder, SN substantia nigra, GABA γ-aminobutyric acid, Glx glutamate-glutamine complex, institutional units, i.u ns, no significance.

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