Acoustic Analysis of PD Speech

Table 7

Spirantization scores by group. The mean (and s.d.) are shown for each group. (* = difference from normal significant at 𝑃≤.001).

Normals	Patients, off-stim*	Patients, on-stim*
0.070 (0.154)	0.457 (0.237)	0.397 (0.193)