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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Hear Res. 2016 Aug 29;341:66–78. doi: 10.1016/j.heares.2016.08.007

Fig. 8.

Fig. 8

The ratio of the synchronization index (SI) of the 2nd harmonic (SI2) to the SI of the 1st harmonic (SI1) at threshold vs. fiber CF. The top-left key gives the symbols for BT suppression of CF-tone responses, BT suppression of low-level click responses, and BT-alone excitation. Lower-ratio values indicate more asymmetrical locations of the operating point on the mechano-electric transduction (MET) function. Note that suppression ratios show OHC MET symmetry while excitation ratios show IHC MET symmetry.