Deep Brain Stimulation of Caudal Zona Incerta and Subthalamic Nucleus in Patients with Parkinson's Disease: Effects on Voice Intensity

<table>Voice intensity during reading for the STN and cZi groups, respectively, showing means and standard deviations for preoperative and postoperative off- and on-stimulation testing conditions.</table>

Parkinson’s Disease

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Figure 1

Figure 1: Deep Brain Stimulation of Caudal Zona Incerta and Subthalamic Nucleus in Patients with Parkinson's Disease: Effects on Voice Intensity 