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. Author manuscript; available in PMC: 2020 Sep 15.
Published in final edited form as: Hear Res. 2019 Aug 8;381:107782. doi: 10.1016/j.heares.2019.107782

Figure 2. Cross-covariance analysis.

Figure 2.

A,E: Example stacked waveforms from Datasets 1 and 2 in response to 11.3- and 12.1-kHz tone-pips, respectively. Shading indicates the visual thresholding window, i.e. all waves for Dataset 1 and wave 1 only for Dataset 2. Thicker traces indicate visual thresholds for Observers 1 & 2. B,F: Cross-covariance between waveforms at adjacent-level presentations for the examples in A and E. For clarity, only a subset of traces are shown, with SPLs indicated at the peak cross-covariance value. C,G: Sigmoidal fits of the correlation-coefficient (at 0 signal lag) vs. level function. D,H: Power fits of the correlation-coefficient vs. level functions. The 95% prediction intervals are shown by shading and the visual thresholds are indicated with arrows.