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A Neural Map of Interaural Intensity Differences in the Brain Stem of the Barn Owl

Manley, Geoffrey A. and Köppl, Christine and Konishi, Masakazu (1988) A Neural Map of Interaural Intensity Differences in the Brain Stem of the Barn Owl. Journal of Neuroscience, 8 (8). pp. 2665-2676. ISSN 0270-6474. PMCID PMC6569385. doi:10.1523/jneurosci.08-08-02665.1988.

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The nucleus ventralis lemnisci lateralis pars posterior (VLVp) is the first binaural station in the intensity-processing pathway of the barn owl. Contralateral stimulation excites and ipsilateral stimulation inhibits VLVp cells. The strength of the inhibition declines systematically from dorsal to ventral within the nucleus. Cells selective for different intensity disparities occur in an orderly sequence from dorsal to ventral within each isofrequency lamina. Cells at intermediate depths in the nucleus are selective for a particular narrow range of interaural intensity differences independently of the absolute sound-pressure level. A simple model of the interaction between inhibition and excitation can explain most of the response properties of VLVp neurons. The map of selectivity for intensity disparity is mainly based on the gradient of inhibition.

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Additional Information:© 1988 by Society for Neuroscience. For the first six months after publication SfN’s license will be exclusive. Beginning six months after publication the Work will be made freely available to the public on SfN’s website to copy, distribute, or display under a Creative Commons Attribution 4.0 International (CC BY 4.0) license ( Received Feb. 4, 1987; revised Dec.15, 1987; accepted Dec. 15, 1987. We thank Gene Akutagawa for excellent histology, Terry Takahashi and Hermann Wagner for introducing G.A.M. and C.K. to computer programs, and Andy Moisetf, who wrote some of the programs. We also thank 0. Gleich, U. Hausler, G. Klump, E. Knudsen, H.-J. Leppelsack, H. Oeckinghaus, T. Takahashi, and H. Wagner for commenting on an earlier version of the manuscript. This work was supported by an NIH grant to M.K., by a travel fellowship to G.A.M. from the Volkswagenstiftung, and by the Deutsche Forschungsgemeinschaft within the program of the SFB 204, "Gehör."
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Deutsche Forschungsgemeinschaft (DFG)SFB 204
Issue or Number:8
PubMed Central ID:PMC6569385
Record Number:CaltechAUTHORS:20151202-114353092
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Official Citation:A neural map of interaural intensity differences in the brain stem of the barn owl GA Manley, C Koppl, and M Konishi The Journal of Neuroscience, 1 August 1988, 8(8):2665-2676
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62546
Deposited By: Ruth Sustaita
Deposited On:02 Dec 2015 21:11
Last Modified:10 Nov 2021 23:03

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