Auditory pathways: anatomy and physiology

Pickles, James O. (2015). Auditory pathways: anatomy and physiology. In Michael J. Aminoff, François Boller and Dick F. Swaab (Ed.), The human auditory syste: fundamental organization and clinical disorders (pp. 3-25) Amsterdam, Netherlands: Elsevier. doi:10.1016/B978-0-444-62630-1.00001-9

Author Pickles, James O.
Title of chapter Auditory pathways: anatomy and physiology
Title of book The human auditory syste: fundamental organization and clinical disorders
Place of Publication Amsterdam, Netherlands
Publisher Elsevier
Publication Year 2015
Sub-type Chapter in reference work, encyclopaedia, manual or handbook
DOI 10.1016/B978-0-444-62630-1.00001-9
Series Handbook of Clinical Neurology
ISBN 9780444626301
ISSN 2212-4152
Editor Michael J. Aminoff
François Boller
Dick F. Swaab
Volume number 129
Chapter number 1
Start page 3
End page 25
Total pages 23
Total chapters 38
Collection year 2016
Language eng
Abstract/Summary This chapter outlines the anatomy and physiology of the auditory pathways. After a brief analysis of the external, middle ears, and cochlea, the responses of auditory nerve fibers are described. The central nervous system is analyzed in more detail. A scheme is provided to help understand the complex and multiple auditory pathways running through the brainstem. The multiple pathways are based on the need to preserve accurate timing while extracting complex spectral patterns in the auditory input. The auditory nerve fibers branch to give two pathways, a ventral sound-localizing stream, and a dorsal mainly pattern recognition stream, which innervate the different divisions of the cochlear nucleus. The outputs of the two streams, with their two types of analysis, are progressively combined in the inferior colliculus and onwards, to produce the representation of what can be called the “auditory objects” in the external world. The progressive extraction of critical features in the auditory stimulus in the different levels of the central auditory system, from cochlear nucleus to auditory cortex, is described. In addition, the auditory centrifugal system, running from cortex in multiple stages to the organ of Corti of the cochlea, is described.
Keyword Hearing
Cochlear nucleus
Q-Index Code BX
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes 3rd Series

Document type: Book Chapter
Collections: Non HERDC
School of Biomedical Sciences Publications
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