Fig. 1. Schematic illustration of the electrode insertion site as described in Hamani, et al.36 The 0 and 1 contacts were located in the STN, whereas the 2 and 3 contacts were located in the area above the STN including the zona incerta. AL, ansa lenticularis; CP, cerebral peduncle; FF, Field of Forel; GPe, globus pallidus externus; GPi, globus pallidus internus; H1, H1 Field of Forel (thalamic fasciculus); IC, internal capsule; LF, lenticular fasciculus (H2); PPN, pedunculopontine nucleus; Put, putamen; SN, substantia nigra; STN, subthalamic nucleus; Thal, thalamus; ZI, zona incerta.
