Research Article

A Preliminary Report on Disordered Speech with Deep Brain Stimulation in Individuals with Parkinson's Disease

Figure 1

Mean and standard deviation of the first and second formant slopes for all repetitions of the four diphthongs in the on- and off-stimulation conditions for each speaker. In each panel the -axis lists the six speakers and the -axis shows the diphthong slope in Hz/ms.
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(a) F1 slope (Hz/ms)
796205.fig.001b
(b) F2 slope (Hz/ms)