Electrophysiological Evidence of Auditory and Cognitive Processing Deficits in Parkinson Disease

Table 1

Pearson correlation () values for pertinent variables and assessments.

		PD group; ()		Control group; ()
AERP component	Covariate	Pearson’s		Pearson’s
Latency of P300	Spatial release from masking (45°)	-0.327	<0.05	-0.348	0.04
Amplitude of N200	Participants’ age	-0.354	0.03	-0.357	0.03
	Spatial release from masking (45°)	0.410	0.01	0.463	0.005
	RAVLT total score	0.392	<0.02	0.432	<0.01
Latency of N200	Participants’ age	0.665	<0.00001	0.493	<0.003