FIG. 2.

Illustrative example (subject U05, middle electrode) of eCAP traces in response to the masked probe as a function of the masker-probe interval (MPI), for the masking conditions: single-pulse masker (SPM), low-rate pulse train masker (LTM), and high-rate pulse train masker (HTM). Pulse train maskers were presented at the same psychophysical loudness level (Ѱ). SPM was presented at current levels equal to those of LTM. For each masking condition, the first response judged as “eCAP present” is marked by a black triangle on its right. Mean eCAP and ±1 standard deviation of all responses in the no masker (NM) condition are shown as a dashed line and shaded area, respectively. A 50-µV scale bar is shown in the bottom left corner.