Table 2. Accuracy rates (mean ± standard deviation) and reactions times (mean ± standard deviation; measurement unit: ms) obtained for the PD patients group and the group of healthy control participants within each task (PI =  prosody identification, SI =  semantics identification, VI  =  vowel identification).

TASK	PD PATIENT GROUP				HEALTHY CONTROL GROUP
	ACCURACY RATE		REACTION TIME		ACCURACY RATE	REACTION TIME
	STN-DBS-ON	STN-DBS-OFF	STN-DBS-ON	STN-DBS-OFF
PI	0.71±0.23	0.72±0.20	2250±578	2649±779	0.87±0.09	2336±646
SI	0.78±0.15	0.81±0.19	2555±824	2792±697	0.91±0.04	2518±845
VI	0.95±0.05	0.95±0.06	2259±614	2561±474	0.97±0.02	2012±418