Selective subcortical enhancement of musical intervals in musicians

Kyung Myun Lee, Erika Skoe, Nina Kraus*, Richard Ashley

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

110 Scopus citations

Abstract

By measuring the auditory brainstem response to two musical intervals, the major sixth (E3 and G2) and the minor seventh (E3 and F#2), we found that musicians have a more specialized sensory system for processing behaviorally relevant aspects of sound. Musicians had heightened responses to the harmonics of the upper tone (E), as well as certain combination tones (sum tones) generated by nonlinear processing in the auditory system. In music, the upper note is typically carried by the upper voice, and the enhancement of the upper tone likely reflects musicians' extensive experience attending to the upper voice. Neural phase locking to the temporal periodicity of the amplitude-modulated envelope, which underlies the perception of musical harmony, was also more precise in musicians than nonmusicians. Neural enhancements were strongly correlated with years of musical training, and our findings, therefore, underscore the role that long-term experience with music plays in shaping auditory sensory encoding.

Original languageEnglish (US)
Pages (from-to)5832-5840
Number of pages9
JournalJournal of Neuroscience
Volume29
Issue number18
DOIs
StatePublished - May 6 2009

ASJC Scopus subject areas

  • Neuroscience(all)

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