Noise-induced enhancement of envelope following responses in normal-hearing adults

Curtis J. Billings, Samuel Y. Gordon, Garnett P. McMillan, Frederick J. Gallun, Michelle R. Molis, Dawn Konrad-Martin

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Measures of signal-in-noise neural encoding may improve understanding of the hearing-in-noise difficulties experienced by many individuals in everyday life. Usually noise results in weaker envelope following responses (EFRs); however, some studies demonstrate EFR enhancements. This experiment tested whether noise-induced enhancements in EFRs are demonstrated with simple 500-and 1000-Hz pure tones amplitude modulated at 110 Hz. Most of the 12 young normal-hearing participants demonstrated enhanced encoding of the 110-Hz fundamental in a noise background compared to quiet; in contrast, responses at the harmonics were decreased in noise relative to quiet conditions. Possible mechanisms of such an enhancement are discussed.

Original languageEnglish (US)
Pages (from-to)EL201-EL207
JournalJournal of the Acoustical Society of America
Issue number2
StatePublished - Feb 1 2020

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics


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