On cortical coding of vocal communication sounds in primates

Research output: Contribution to journalArticle

Abstract

Understanding how the brain processes vocal communication sounds is one of the most challenging problems in neuroscience. Our understanding of how the cortex accomplishes this unique task should greatly facilitate our understanding of cortical mechanisms in general. Perception of species-specific communication sounds is an important aspect of the auditory behavior of many animal species and is crucial for their social interactions, reproductive success, and survival. The principles of neural representations of these behaviorally important sounds in the cerebral cortex have direct implications for the neural mechanisms underlying human speech perception. Our progress in this area has been relatively slow, compared with our understanding of other auditory functions such as echolocation and sound localization. This article discusses previous and current studies in this field, with emphasis on nonhuman primates, and proposes a conceptual platform to further our exploration of this frontier. It is argued that the prerequisite condition for understanding cortical mechanisms underlying communication sound perception and production is an appropriate animal model. Three issues are central to this work: (i) neural encoding of statistical structure of communication sounds, (ii) the role of behavioral relevance in shaping cortical representations, and (iii) sensory-motor interactions between vocal production and perception systems.

Original languageEnglish (US)
Pages (from-to)11843-11849
Number of pages7
JournalProceedings of the National Academy of Sciences of the United States of America
Volume97
Issue number22
DOIs
StatePublished - Oct 24 2000

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Primates
Communication
Echolocation
Sound Localization
Animal Behavior
Speech Perception
Interpersonal Relations
Neurosciences
Cerebral Cortex
Animal Models
Survival
Brain

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

On cortical coding of vocal communication sounds in primates. / Wang, Xiaoqin.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 97, No. 22, 24.10.2000, p. 11843-11849.

Research output: Contribution to journalArticle

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