Endogenous Cortical Rhythms Determine Cerebral Specialization for Speech Perception and Production

Anne Lise Giraud, Andreas Kleinschmidt, David Poeppel, Torben E. Lund, Richard S J Frackowiak, Helmut Laufs

Research output: Contribution to journalArticle

Abstract

Across multiple timescales, acoustic regularities of speech match rhythmic properties of both the auditory and motor systems. Syllabic rate corresponds to natural jaw-associated oscillatory rhythms, and phonemic length could reflect endogenous oscillatory auditory cortical properties. Hemispheric lateralization for speech could result from an asymmetry of cortical tuning, with left and right auditory areas differentially sensitive to spectro-temporal features of speech. Using simultaneous electroencephalographic (EEG) and functional magnetic resonance imaging (fMRI) recordings from humans, we show that spontaneous EEG power variations within the gamma range (phonemic rate) correlate best with left auditory cortical synaptic activity, while fluctuations within the theta range correlate best with that in the right. Power fluctuations in both ranges correlate with activity in the mouth premotor region, indicating coupling between temporal properties of speech perception and production. These data show that endogenous cortical rhythms provide temporal and spatial constraints on the neuronal mechanisms underlying speech perception and production.

Original languageEnglish (US)
Pages (from-to)1127-1134
Number of pages8
JournalNeuron
Volume56
Issue number6
DOIs
StatePublished - Dec 20 2007

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Speech Perception
Speech Acoustics
Auditory Cortex
Jaw
Mouth
Magnetic Resonance Imaging
Power (Psychology)

Keywords

  • SYSNEURO

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Giraud, A. L., Kleinschmidt, A., Poeppel, D., Lund, T. E., Frackowiak, R. S. J., & Laufs, H. (2007). Endogenous Cortical Rhythms Determine Cerebral Specialization for Speech Perception and Production. Neuron, 56(6), 1127-1134. https://doi.org/10.1016/j.neuron.2007.09.038

Endogenous Cortical Rhythms Determine Cerebral Specialization for Speech Perception and Production. / Giraud, Anne Lise; Kleinschmidt, Andreas; Poeppel, David; Lund, Torben E.; Frackowiak, Richard S J; Laufs, Helmut.

In: Neuron, Vol. 56, No. 6, 20.12.2007, p. 1127-1134.

Research output: Contribution to journalArticle

Giraud, AL, Kleinschmidt, A, Poeppel, D, Lund, TE, Frackowiak, RSJ & Laufs, H 2007, 'Endogenous Cortical Rhythms Determine Cerebral Specialization for Speech Perception and Production', Neuron, vol. 56, no. 6, pp. 1127-1134. https://doi.org/10.1016/j.neuron.2007.09.038
Giraud, Anne Lise ; Kleinschmidt, Andreas ; Poeppel, David ; Lund, Torben E. ; Frackowiak, Richard S J ; Laufs, Helmut. / Endogenous Cortical Rhythms Determine Cerebral Specialization for Speech Perception and Production. In: Neuron. 2007 ; Vol. 56, No. 6. pp. 1127-1134.
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