Table 2.
Mechanical responses to tones at apical sites of the cochlea
| Present (in vitro) | Cooper and Rhode [1995] (in vivo) | Morioka et al. [1995] (in vitro) | Khanna et al. [1993] (in vitro) | |
|---|---|---|---|---|
| Structure | BM | BM | Hensen's and outer hair cells | BM, fluid-filled middle ear |
| CF, kHz | 250–350 | 200–250 | 110–216 | 500–750 |
| Maximal displacement sensitivity at CF, μm/Pa | 0.4–0.6 | 0.4–1.5 | 0.3–0.85 | 0.02–0.06 |
| Maximal velocity sensitivity at CF, mm·s−1·Pa−1 | 0.5–0.9 | 0.63–1.9 | 0.2–1.1 | 0.09–0.28 |
| Gain, cochlea re umbo, dB | 8.0–16 | 10.0–21 | 8.0–17 | |
| Q10 | 1.02 | 0.7 | 0.4–2.9 | 0.8 |