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. 2019 Apr 26;62(4 Suppl):1099–1116. doi: 10.1044/2018_JSLHR-H-ASCC7-18-0076

Figure 1.

Figure 1.

Mean audiometric thresholds of younger listeners with normal hearing (YNH; blue), older listeners with normal hearing (ONH; red), and older listeners with hearing impairment (OHI; black). Participants with normal hearing have clinically normal hearing (pure-tone thresholds ≤ 25 dB HL at octave frequencies from 125 to 4000 Hz). Participants with hearing impairment have pure-tone averages of ≥ 25 dB HL for octave frequencies from 500 to 4000 Hz. Error bars indicate ±1 SD. Shaded areas indicate ± minimum/maximum thresholds.