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Coding of auditory space

Konishi­, Masakazu (2003) Coding of auditory space. Annual Review of Neuroscience, 26 . pp. 31-55. ISSN 0147-006X. http://resolver.caltech.edu/CaltechAUTHORS:KONarn03

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Abstract

Behavioral, anatomical, and physiological approaches can be integrated in the study of sound localization in barn owls. Space representation in owls provides a useful example for discussion of place and ensemble coding. Selectivity for space is broad and ambiguous in low-order neurons. Parallel pathways for binaural cues and for different frequency bands converge on high-order space-specific neurons, which encode space more precisely. An ensemble of broadly tuned place-coding neurons may converge on a single high-order neuron to create an improved labeled line. Thus, the two coding schemes are not alternate methods. Owls can localize sounds by using either the isomorphic map of auditory space in the midbrain or forebrain neural networks in which space is not mapped.


Item Type:Article
Additional Information:"Reprinted, with permission, from the Annual Review of Neuroscience, Volume 26 copyright 2003 by Annual Reviews, www.annualreviews.org" I dedicate this article to the late Max Cowan who started this review series. I thank Jose Luis Pena, Sharad Shanbhag, and Bjorn Christianson for reading the manuscript. The preparation of this review was supported by NIH grant DC00134.
Subject Keywords:INTERAURAL LEVEL DIFFERENCE; RECEPTIVE FIELD; PLACE AND ENSEMBLE CODING; SPATIAL RECEPTIVE-FIELDS; MEDIAL SUPERIOR OLIVE; OWL TYTO-ALBA; COCHLEAR NUCLEUS MAGNOCELLULARIS; SOUND-LOCALIZATION EXPERIMENTS; CATS INFERIOR COLLICULUS; HEAD-TURNING BEHAVIOR; LOW-FREQUENCY CELLS; CHICK BRAIN-STEM
Record Number:CaltechAUTHORS:KONarn03
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KONarn03
Alternative URL:http://dx.doi.org/10.1146/annurev.neuro.26.041002.131123
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1481
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Jan 2006
Last Modified:26 Dec 2012 08:44

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