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. 2020 Jun 9;14:454. doi: 10.3389/fnins.2020.00454

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Copyright © 2020 Füllgrabe.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(Left panel) Extrapolated audiometric thresholds for an average 75-year-old listener (audiogram), used for the simulation of age-related hearing loss. For comparison, mean audiometric thresholds for 70- to 79-year-olds from a population-representative sample (Davis, 1995) are shown in the form of audiograms corresponding to the 5th, 50th, and 95th percentiles (light-gray lines). (Right panel) Average power spectra of the unprocessed (blue line; used with the NH group) and processed (purple line; used with the SHL group) spoken word “seven”.