Abstract: Divergence in the functional organization of human and macaque auditory cortex revealed by fMRI responses to harmonic tones

Divergence in the functional organization of human and macaque auditory cortex revealed by fMRI responses to harmonic tones

S V Norman-Haignere, N G Kanwisher, J H McDermott and B R Conway.

Published in Nature Neuroscience, vol.22 pp. 1057-1060, Jun 2019.

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    • We report a difference between humans and macaque monkeys in the functional organization of cortical regions implicated in pitch perception. Humans but not macaques showed regions with a strong preference for harmonic sounds compared to noise, measured with both synthetic tones and macaque vocalizations. In contrast, frequency-selective tonotopic maps were similar between the two species. This species difference may be driven by the unique demands of speech and music perception in humans.
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