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Figure 2


Figure 2. Basal ganglia circuitry involved in movement. GPe, globus pallidus pars externa; GPi, globus pallidus pars interna; STN, subthalamic nucleus; SNc, substantia nigra pars compacta; SNr, substantia nigra pars reticulata; VL, ventrolateral thalamus; PPN, pedunculopontine nucleus [in colour online]