TABLE 1.
Acoustic psychophysical detection thresholds. Means of thresholds measured over the time period when the MPI and TI data were collected and up to the time of sacrifice are shown. NR = no response at the highest levels of stimulation tested
| Subject | 8 kHz sinusoids (dB SPL) | 16 kHz sinusoids (dB SPL) | 24 kHz sinusoids(dB SPL) |
|---|---|---|---|
| 335L1 | 62.9 | 39.1 | 39.3 |
| 345L1 | 37.7 | 29.2 | 18.8 |
| 347L1 | 52.7 | 60.0 | 40.6 |
| 348L1 | 55.1 | 67.6 | 73.7 |
| 350L1 | 65.9 | 39.1 | 58.5 |
| 351L1 | 50.9 | 48.2 | 49.6 |
| 353L1 | 48.4 | 39.6 | 29.5 |
| 361L1 | 72.5 | 42.4 | 82.3 |
| 374L1 | 37.6 | 25.1 | 34.1 |
| 390L1 | 72.5 | 75.0 | 75.0 |
| 399L1 | 75.1 | 73.1 | NR |
| 407L1 | 80.9 | NR | NR |
| 411L2 | 60.7 | 55.0 | 49.9 |
| 412L1 | NR | NR | NR |
| 421L1 | 50.9 | 61.0 | 67.7 |
| 422L1 | 61.5 | 28.2 | 42.4 |
| 423L1 | 32.0 | 38.8 | 44.4 |
| 436L2 | 91.3 | NR | NR |
| 453L1 | 42.6 | 9.6 | 22.9 |
| 456L1 | 89.1 | NR | NR |
| Mean | 60.0 | 45.7 | 48.6 |
| STD | 17.2 | 18.5 | 19.4 |
| N | 19 | 16 | 15 |