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Cited by 150Animal Vocal Communication and BehaviorNeuroscience and Music PerceptionPhonetics and Phonology Research

Dynamics of Auditory–Vocal Interaction in Monkey Auditory Cortex

Eliades, Steven J., Wang, Xiaoqin·2005·Cerebral Cortex
DOI 10.1093/cercor/bhi030
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Abstract

Single neurons in the primate auditory cortex exhibit vocalization-related modulations (excitatory or inhibitory) during self-initiated vocal production. Previous studies have shown that these modulations of cortical activity are variable in individual neurons' responses to multiple instances of vocalization and diverse between different cortical neurons. The present study investigated dynamic patterns of vocalization-related modulations and demonstrated that much of the variability in cortical modulations was related to the acoustic structures of self-produced vocalization. We found that suppression of single unit activity during multi-phrased vocalizations was temporally specific in that it was maintained during each phrase, but was released between phrases. Furthermore, the degree of suppression or excitation was correlated to the mean energy and frequency of the produced vocalizations, accounting for much of the response variability between multiple instances of vocalization. Simultaneous recordings of pairs of neurons from a single electrode revealed that the modulations by self-produced vocalizations in nearby neurons were largely uncorrelated. Additionally, vocalization-induced suppression was found to be preferentially distributed to upper cortical layers. Finally, we showed that the summation of all auditory cortical activity during vocalization, including both single and multi-unit responses, was weakly excitatory, consistent with observations from studies of the human brain during speech.

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Crossref · 10.1093/cercor/bhi030

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72 of 72 references verified0 citation errors · 0 not checkable

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  • In the marmoset primary auditory cortex, many neurons are suppressed during self-vocalizations.

    “A protective mechanism is observable in the marmoset primary auditory cortex, where many neurons are suppressed during self-vocalizations27,28.”

    From Corollary discharge across the animal kingdom (2008) · cites this paper as [28]

  • In marmosets, suppression begins about 200 ms before vocalization and continues for its duration.

    “Suppression begins ~200 ms before vocalization and continues for its duration.”

    From Corollary discharge across the animal kingdom (2008) · cites this paper as [28]

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Authors
Eliades, S. J., & Wang, X.
Affiliations
Johns Hopkins University (US)
ORCID
Venue
Cerebral Cortex
Publisher
Oxford University Press (OUP)
Published
2005-02-02
Volume
15
Issue
10
Pages
1510-1523
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
DOI
10.1093/cercor/bhi030
OpenAlex
W2128125220
Cited by
150
References
72
Citations by year
2026: 5 · 2025: 2 · 2024: 7 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 12 · 2019: 5 · 2018: 13 · 2017: 7 · 2016: 6 · 2015: 6 · 2014: 5 · 2013: 10 · 2012: 19
FWCI
4.70
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Deafness and Other Communication Disorders (DC 005808, R01DC005808)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Phonetics and Phonology Research
Keywords
auditory cortex, single-unit activity, neuronal synchronization
MeSH terms
Acoustic Stimulation, Action Potentials, Animals, Auditory Cortex, Auditory Perception, Brain Mapping, Callithrix, Electrophysiology, Microelectrodes, Motor Neurons, Neurons, Vocalization, Animal

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