Fig. 4.
Electric potential along the axis of membrane (prestin) symmetry (z-axis) for four different frequencies, 6, 20, 30, and 50 kHz and two DC-voltages. The prestin stationary charges are computed by using model 1. A and b) Amplitude of the potential for DC-voltage of −70 (a) and −30 mV (b). C and d) Phase of the potential (in radians) with respect to the applied voltage for DC-voltage of −70 (c) and −30 mV (d).