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. 2019 Nov 28;13:1153. doi: 10.3389/fnins.2019.01153

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Copyright © 2019 Dubinsky, Wood, Nespoli and Russo.

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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Older adults’ average pitch discrimination thresholds (frequency difference limens; FDL, log Hz) before and after 10 weeks of choir singing or do-nothing control participation, plotted with 95% CIs for repeated measures.