Mapping pitch representation in neural ensembles with fMRI

Timothy D. Griffiths, Deborah A. Hall

Research output: Contribution to journalReview articlepeer-review

43 Citations (Scopus)

Abstract

Functional magnetic resonance imaging (fMRI) in humans and macaques allows a test of the hypothesis that there is a specialized neural ensemble for pitch within auditory cortex: a pitch center. fMRI measures the blood oxygenation level-dependent (BOLD) response related to regional synaptic activity (Logothetis et al., 2001). The distinction between synaptic activity and spike firing, and species differences encourage caution when comparing BOLD activity in humans and macaques to recordings from single neurons in ferret and marmoset in the previous mini-review. The BOLD data provide support for the pitch-center concept, with ongoing debate about its location.

Original languageEnglish
Pages (from-to)13343-13347
Number of pages5
JournalJournal of Neuroscience
Volume32
Issue number39
DOIs
Publication statusPublished - 26 Sep 2012

ASJC Scopus subject areas

  • Neuroscience(all)

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