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Figure 3 | EPJ Nonlinear Biomedical Physics

Figure 3

From: The Human Cochlear Mechanical Nonlinearity Inferred via Psychometric Functions

Figure 3

The Schairer et al. [4] model. The model shows the effect of the cochlear mechanical nonlinearity upon the distributions of probe-tone intensities involved in probe-tone detection, and hence upon the slopes of the psychometric functions for forward-masked probe-tone detection (see text). Note well that the true amplitudes of the probability density functions are not dB or dB SPL, as might appear from the graph, but rather are probability density, imagined as the label of a z-axis rising perpendicularly out of the page from {0,0}. As such, the shown probability density functions are projections upon the input/output plane of the graph. Also, for illustration’s sake, the input distributions (and hence the output distributions) shown here are at least twice as wide as will be eventually implied from the present empirical psychometric functions.

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