Table 1 The stimulation parameters used in 2 studies.

From: Objective Test of Cochlear Dead Region: Electrophysiologic Approach using Acoustic Change Complex

Participants

Study 1A

Study 1B

Study 2

NH

NH

HI without CDR

HI with CDR

TEN level

60 dB HL

60 dB HL

Audiometric θ + 10 dB

Pure tone level (1 and 4 kHz): 3 dB step

−3~15 dB SNR

0~15 dB SNR

0~15 dB SNR

0~18 dB SNR

6~21 dB SNR

Total stimulus time

1 s

2 s

1.5 s

Time for pure-tone stimulus

0.5 s

1 s

0.5 s

Inter-stimulus interval

1 s

2 s

1.5 s

Number of Sweeps

150

120

120

Rise/fall time

10 ms

5 ms