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Tonotopic organization in the avian telencephalon

Zaretsky, Malcolm D. and Konishi, Masakazu (1976) Tonotopic organization in the avian telencephalon. Brain Research, 111 (1). pp. 167-171. ISSN 0006-8993. doi:10.1016/0006-8993(76)91058-1. https://resolver.caltech.edu/CaltechAUTHORS:20151124-132904678

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Abstract

The mammalian and avian auditory pathways have distinctly homologous cell groupings. Tonotopic organization has been demonstrated by means of single unit recordings in the cochlear nuclei of both birds and mammals. The avian thalamic nucleus ovoidalis, the homolog of the mammalian medial geniculate body, has a discrete projection to an area of the telencephalic neostriatum caudale, field L (see ref. 6, 17). Although the primary projection of the ascending auditory pathway to the telencephalon of mammals has been shown to have a tonotopic organization, single unit recordings from neither field L of the ring dove nor that of the starling have produced evidence for a tonotopic organization of individual neurons of the avian telencephalon. The absence of tonotopic organization in field L of birds would appear to underscore the dissimilarities between the gross characteristics of field Land primary auditory cortex. We wish to report, however, an initial set of experiments using single unit recordings in a song bird, the zebra finch, which define a point-by-point projection from the avian cochlea to the auditory area of the telencephalon, the first such demonstration in a sensory pathway of an infra-mammalian vertebrate.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0006-8993(76)91058-1DOIArticle
http://www.sciencedirect.com/science/article/pii/0006899376910581PublisherArticle
Additional Information:© 1972 Elsevier Scientific Publishing Company. Accepted 6 April 1976. This work was supported by U.S. National Science Foundation Grant GB 12729 and a Spencer Foundation fellowship to M. D. Zaretsky (1973-1975).
Funders:
Funding AgencyGrant Number
NSFGB 12729
Spencer FoundationUNSPECIFIED
Issue or Number:1
DOI:10.1016/0006-8993(76)91058-1
Record Number:CaltechAUTHORS:20151124-132904678
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151124-132904678
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62383
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:24 Nov 2015 22:30
Last Modified:10 Nov 2021 23:01

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