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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Otol Neurotol. 2008 Sep;29(6):860–867. doi: 10.1097/MAO.0b013e3181825651

FIG. 3.

FIG. 3

High-frequency hearing is well preserved in (A) female IV-16 and (B) female IV-33. Auditory thresholds are shown for the right ears only. Responses between the right and left ears were symmetrical. Frequency in hertz (Hz) is plotted on the x-axis and hearing level in decibels (dB HL) on the y-axis. Plotted on each audiogram (gray line) are the average pure-tone air conduction thresholds for a person with normal hearing matched in age to the earliest audiogram collected for the HL2 family member.