Fig. 2

Phase as a function of d. The phase (in cycles) of the extremal function h as a function of the distance d (in mm) to the stapes. The frequency is 500 Hz. Under the tonotopic axis this value corresponds to $d=24.4\text{mm}$. The parameters are: $\epsilon =16\pi$, $\alpha =-7.8\pi$, $\beta =24\pi$.