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 | |||