Table 2: Mean Amplitudes of N1 and P2 in µV Elicited by the Speech/Noise Stimuli at Channel Cz

Peak Stimulus Type Ei Bett Dieb Pult
N1 Speech
 -3.82 (1.29) -2.36 (1.04) -4.45 (1.54) -2.36 (1.36)
Noise -3.01 (1.58) -2.28 (1.48) -2.58 (1.33) -2.03 (1.04)
P2 Speech 4.00 (1.29) 2.75 (1.18) 4.40 (1.50) 1.99 (0.57)
Noise 3.22 (1.01) 2.35 (0.85) 4.11 (1.46) 2.49 (0.90)

Standard deviations are in parentheses.