Coding across sensory modalities: Integrating the dynamic face with the voice

Chandramouli Chandrasekaran, Asif A. Ghazanfar

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


Primates are social beings. To ensure adequate resources and advance their position in a dominance hierarchy, they must be Machiavellian-ready to exploit social opportunities whenever they appear (Ghazanfar and Santos, 2004; Maestripieri, 2007). Maintenance and the advancement of rank in a social hierarchy entail a range of behaviors such as play, grooming, aggressive attacks, submissive retreats, reconciliations and the formation of coalitions (Cheney and Seyfarth, 1990; Ghazanfar and Santos, 2004; Maestripieri, 2007). Achieving adaptive social behavior requires that primates monitor and accurately perceive the vocal communication signals of conspecifics (Cheney and Seyfarth, 1990; Semple, 1998; Pfefferle et al., 2008). Primate vocalizations are complex-often extended and dynamic with temporal structure on a variety of time scales. Furthermore, these vocalizations are not produced in quiet environments. Instead, they are often embedded in a variety of other biotic and abiotic sounds (Waser and Brown, 1986; Slabbekoorn, 2004; Chandrasekaran et al., 2010b). Therefore, one major task of the primate brain is to extract conspecific vocalizations from these background sounds.

Original languageEnglish (US)
Title of host publicationPrinciples of Neural Coding
PublisherCRC Press
Number of pages22
ISBN (Electronic)9781439853313
ISBN (Print)9781439853306
StatePublished - Jan 1 2013

All Science Journal Classification (ASJC) codes

  • General Medicine
  • General Biochemistry, Genetics and Molecular Biology
  • General Neuroscience


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