The human 'pitch center' responds differently to iterated noise and Huggins pitch

Deborah A. Hall*, Christopher J. Plack

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

A magnetoencephalographic marker for pitch analysis (the pitch onset response) has been reported for different types of pitch-evoking stimuli, irrespective of whether the acoustic cues for pitch are monaurally or binaurally produced. It is claimed that the pitch onset response reflects a common cortical representation for pitch, putatively in lateral Heschl's gyrus. The result of this functional MRI study sheds doubt on this assertion. We report a direct comparison between iterated ripple noise and Huggins pitch in which we reveal a different pattern of auditory cortical activation associated with each pitch stimulus, even when individual variability in structure-function relations is accounted for. Our results suggest it may be premature to assume that lateral Heschl's gyrus is a universal pitch center.

Original languageEnglish
Pages (from-to)323-327
Number of pages5
JournalNeuroReport
Volume18
Issue number4
DOIs
Publication statusPublished - 5 Mar 2007

Keywords

  • Auditory
  • Binaural dichotic pitch
  • Functional imaging
  • Monaural diotic pitch

ASJC Scopus subject areas

  • Neuroscience(all)

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