Article Information
- Received June 17, 2013
- Revision received July 14, 2014
- Accepted July 16, 2014
- First published August 20, 2014.
- Version of record published August 20, 2014.
Author Information
Author contributions
Author contributions: M.A.R. designed research; A.N.T. and M.A.R. performed research; A.N.T. and M.A.R. analyzed data; M.A.R. wrote the paper.
Disclosures
- Received June 17, 2013.
- Revision received July 14, 2014.
- Accepted July 16, 2014.
This work was supported by National Institutes of Health Grant R01-DC000419. We thank Charlie Liberman for sharing with us data that he collected >35 years ago; Karolina Charaziak, Mary Ann Cheatham, James Dewey, Sumitrajit Dhar, Tina Grieco-Calub, Jungmee Lee, Luis Robles, Christopher Shera, and Jonathan Siegel for helpful comments on earlier versions of this manuscript; Sumitrajit Dhar and Julia Lee for advice on statistics; and Jonathan Siegel for suggesting possible irregularities in cochlear maps as the source of the irregularities of apparent auditory-nerve fiber density.
The authors declare no competing financial interests.
- Correspondence should be addressed to Mario A. Ruggero, Dept. of Communication Sciences and Disorders, Northwestern University, 2240 Campus Drive, Evanston, IL 60208-3550. mruggero{at}northwestern.edu
