Table 2: DPOAE changes in the function of stimulus intensity.

Intensity of the stimulus (dB, SPL)Amplitude of DPOAE increase (dB); average ± SE (n = 28)1

20
30
40
50
60
70
80

1 DPOAE increases in the function of stimulus intensity in the range of 20–80 dB, develops at 50 dB, and decreases thereafter. The measurements were recorded by using a characteristic frequency of 1593 Hz (n = 28, means ± standard error).