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Transversal images of neuromelanin-sensitive MRI scans of mesencephalon. Substantia nigra is visible as hyperintense area next to cerebral peduncles. Left panel shows example of neuromelanin-sensitive MRI in healthy control, and right panel shows example of patient with PD. Loss of signal can be seen in substantia nigra in PD patient. Arrows point to substantia nigra. (Reprinted from (74).)
