Research Article

Effect of the Use of Different Acoustic Stimuli on Cortical Auditory Evoked Potentials and Autonomic Cardiac Modulation

Table 4

Correlation between the components of CAEP and the pNN50 index.

EarComponentsStimulus
FrequencyHarmonicDisharmonic

RELat N10,030,890,190,400,370,10
Lat P2−0,180,43−0,400,070,000,97
Lat N2−0,210,360,510,020,200,38
Lat P3a−0,000,−0,250,270,390,08
Lat MMN−0,350,−0,370,100,110,63
Amp N10,180,−0,320,16−0,030,87
Amp P2−0,210,−0,250,27−0,300,18
Amp N2−0,150,0,130,58−0,180,44
Amp P3a0,410,070,600,000,420,05
Amp MMN−0,0,0,500,02−0,130,57

LELat N10,160,−0,200,370,500,02
Lat P20,07,0,520,01−0,300,18
Lat N20,01,−0,410,07−0,390,08
Lat P3a0,12,−0,210,36−0,340,13
Lat MMN0,00,0,440,04−0,130,58
Amp N10,37,0,010,93−0,230,31
Amp P2−0,230,32−0,050,82−0,190,40
Amp N2−0,210,36−0,020,90−0,060,80
Amp P3a0,570,000,210,350,260,26
Amp MMN−0,020,910,110,64−0,280,22

RE: right ear; LE: left ear; Lat: latency; Amp: amplitude; value of correlation; correlation; CAEP: Cortical Auditory Evoked Potential; pNN50: percentage of normal RR intervals that differ by more than 50 milliseconds from their adjacent ones.