Phonological processing in human auditory cortical fields

David L Woods, Timothy J. Herron, Anthony D. Cate, Xiaojian Kang, E. W. Yund

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


We used population-based cortical-surface analysis of functional magnetic imaging data to characterize the processing of consonant-vowel-consonant syllables (CVCs) and spectrally matched amplitude-modulated noise bursts (AMNBs) in human auditory cortex as subjects attended to auditory or visual stimuli in an inter modal selective attention paradigm. Average auditory cortical field (ACF) locations were defined using tonotopic mapping in a previous study. Activations in auditory cortex were defined by two stimulus-preference gradients: (1) Medial belt ACFs preferred AMNBs and lateral belt and parabelt fields preferred CVCs. This preference extended into core ACFs with medial regions of primary auditory cortex (A1) and the rostral field preferring AMNBs and lateral regions preferring CVCs. (2) Anterior ACFs showed smaller activations but more clearly defined stimulus preferences than did posterior ACFs. Stimulus preference gradients were unaffected by auditory attention suggesting that ACF preferences reflect the automatic processing of different spectrotemporal sound features.

Original languageEnglish (US)
JournalFrontiers in Human Neuroscience
Issue numberAPRIL
StatePublished - 2011


  • Asymmetry
  • Auditory cortex
  • Consonant
  • FMRI
  • Phonemes
  • Primary auditory cortex
  • Selective attention
  • Speech

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Neurology
  • Biological Psychiatry
  • Behavioral Neuroscience
  • Neuropsychology and Physiological Psychology


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