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Evolution of Emotional CommunicationFrom Sounds in Nonhuman Mammals to Speech and Music in Man$
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Eckart Altenmüller, Sabine Schmidt, and Elke Zimmermann

Print publication date: 2013

Print ISBN-13: 9780199583560

Published to Oxford Scholarship Online: May 2013

DOI: 10.1093/acprof:oso/9780199583560.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2019. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 13 November 2019

Brain networks for the encoding of emotions in communication sounds of human and nonhuman primates

Brain networks for the encoding of emotions in communication sounds of human and nonhuman primates

Chapter:
(p.49) Chapter 3 Brain networks for the encoding of emotions in communication sounds of human and nonhuman primates
Source:
Evolution of Emotional Communication
Author(s):

Josef P. Rauschecker

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199583560.003.0003

This chapter builds on the notion of processing hierarchies and processing streams that was developed in auditory cortical neurophysiology of primates over the last 20 years. The anterior-ventral stream is involved in the decoding and identification of complex auditory patterns or ‘objects’. Species-specific communication sounds, including speech in humans, are one such category of complex sounds, so their decoding and identification also happens along the ventral stream, i.e. in the anterior superior temporal region and in ventrolateral prefrontal cortex. The anterior-ventral stream also gives rise to a projection into medial prefrontal areas, where emotional content of vocalizations is processed. This medial prefrontal network is well characterized anatomically, but its neurophysiological analysis lags far behind. As things stand, this chapter can only provide a framework for further investigation of the neural basis of emotion-related communication sound processing in primates and of the interactions between perceptual and limbic networks.

Keywords:   auditory cortex, prefrontal cortex, hierarchical processing, processing streams, ventral stream, dorsal stream, vocalization, speech, emotion, limbic system

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