This study aimed to assess quantitatively the effect of bilateral subthalamic nucleus (STN)
stimulation and medication on hypokinetic parkinsonian dysarthria. Twelve Italian patients
(11 males and 1 female) with idiopathic Parkinson's disease (mean age 60.29±7.50 years)
and bilateral STN implantation were studied. Neurological assessments and acoustic
recordings were performed in four clinical conditions combining stimulation and medication
to assess the degree of motor disabilities and speech impairment. Acoustic analysis was …