Pitch perception beyond the traditional existence region of pitch

Andrew J. Oxenham, Christophe Micheyl, Michael V. Keebler, Adam Loper, Sébastien Santurette

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Humans' ability to recognize musical melodies is generally limited to pure-tone frequencies below 4 or 5 kHz. This limit coincides with the highest notes on modern musical instruments and is widely believed to reflect the upper limit of precise stimulusdriven spike timing in the auditory nerve. We tested the upper limits of pitch and melody perception in humans using pure and harmonic complex tones, such as those produced by the human voice and musical instruments, in melody recognition and pitchmatching tasks. We found that robust pitch perception can be elicited by harmonic complex tones with fundamental frequencies below 2 kHz, even when all of the individual harmonics are above 6 kHz - well above the currently accepted existence region of pitch and above the currently accepted limits of neural phase locking. The results suggest that the perception of musical pitch at high frequencies is not constrained by temporal phase locking in the auditory nerve but may instead stem from higher-level constraints shaped by prior exposure to harmonic sounds.

Original languageEnglish (US)
Pages (from-to)7629-7634
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume108
Issue number18
DOIs
StatePublished - May 3 2011

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