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Figure 1. Average DPOAE amplitude and Bekesy hearing thresholds at 2 kHz as a function of time for fourteen subjects. The first two data points are pre-exposure amplitudes. The remaining data points are post-exposure amplitudes. All amplitudes are normalized relative to the two pre-exposure amplitudes. Error bars (standard error of the mean) are plotted if they are larger than the symbol. Also plotted are the fitted recovery functions.

Figure 1. Average DPOAE amplitude and Bekesy hearing thresholds at 2 kHz as a function of time for fourteen subjects. The first two data points are pre-exposure amplitudes. The remaining data points are post-exposure amplitudes. All amplitudes are normalized relative to the two pre-exposure
amplitudes. Error bars (standard error of the mean) are plotted if they are larger than the symbol. Also plotted are the fitted recovery functions.