Though effective for parkinsonian motor symptoms, deep brain stimulation (DBS) of the subthalamic nucleus has variable effects on speech. A new study focusing on patients' perceptions reported that DBS recipients complain of greater speech disturbance than do non-DBS recipients. Patients should be made more aware of this possible adverse effect of DBS.
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The author has received honoraria from Boston Medical, Medtronic, St. Jude Medical and USB for consulting services and lecturing.
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Moro, E. Let's listen to patients with PD after deep brain stimulation. Nat Rev Neurol 10, 550–552 (2014). https://doi.org/10.1038/nrneurol.2014.167
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DOI: https://doi.org/10.1038/nrneurol.2014.167