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Table of Contents
Vol. 35, No. 3, 1990
Issue release date: 1990
Section title: Paper
Brain Behav Evol 1990;35:146–155
(DOI:10.1159/000115863)

Volumetric Comparison of Auditory Structures in the Brains of European Wild Boars (Sus scrofa) and Domestic Pigs (Sus scrofa f. dom.)

Plogmann D. · Kruska D.
Institut für Haustierkunde, Christian-Albrechts-Universität, Kiel, BRD

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: February 01, 2008
Issue release date: 1990

Number of Print Pages: 10
Number of Figures: 0
Number of Tables: 0

ISSN: 0006-8977 (Print)
eISSN: 1421-9743 (Online)

For additional information: http://www.karger.com/BBE

Abstract

The size of certain brain parts involved in the processing of auditory stimuli was measured in European wild boars (Sus scrofa) and domestic pigs (Sus scrofa f. dom.). By means of intraspecific allometric methods for analyzing the brain weight to body weight relationships, the volumes were compared in both groups. In general, all measured structures were smaller in the domestic form, indicating that domestication has led to a decrease in the size of auditory brain parts. Within the auditory system, however, differences in the amount of decrease were observed in different structures The cochlear nucleus is only 15% smaller and the medial geniculate body about 20% smaller in the domestic form, whereas the superior olive (28%), the inferior colliculus (28%), the grey matter of the auditory cortex (32%) and the lateral lemniscus (33%) are decreased more significantly. Furthermore, in the medial superior olivary nucleus, there are 9% fewer neurons in the domestic form, but the neuron density has increased by 28 %.

© 1990 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: February 01, 2008
Issue release date: 1990

Number of Print Pages: 10
Number of Figures: 0
Number of Tables: 0

ISSN: 0006-8977 (Print)
eISSN: 1421-9743 (Online)

For additional information: http://www.karger.com/BBE


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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