Article

Structural organization of the ascending auditory pathway

Manuel S. Malmierca and Troy A. Hackett

in The Oxford Handbook of Auditory Science: The Auditory Brain

Published in print January 2010 | ISBN: 9780199233281
Published online September 2012 | | DOI: http://dx.doi.org/10.1093/oxfordhb/9780199233281.013.0002

Series: Oxford Library of Psychology

 Structural organization of the ascending auditory pathway

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There are a minimum of three relays, several stages of convergence and divergence, and at least seven decussations that make the auditory system unique. This article highlights the structural organization of the ascending auditory system. It focuses on the general plan of organization of the auditory system in mammals, since a major objective in hearing research is to understand the structure and function of the human auditory system, and to identify the causes of, and treatments for, hearing impairment. The representation of frequency is a major organizing principle in the auditory system and thus the frequency range is an important influence on the anatomy of the structures in the auditory brain. The mammalian auditory system comprises a highly complex network of interconnected subcortical nuclei and cortical areas designed to extract, encode, and interpret acoustic signals in a dynamic auditory environment. This article concludes with the need of more effort to explore the ways in which auditory system accomplishes these tasks.

Keywords: structural organization; ascending auditory system; frequency range; hearing impairment; acoustic signals

Article.  14833 words. 

Subjects: Psychology ; Cognitive Neuroscience ; Cognitive Psychology

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