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Table of Contents
Vol. 38, No. 6, 1991
Issue release date: 1991
Section title: Paper
Brain Behav Evol 1991;38:313–321
(DOI:10.1159/000114397)

The Olfactory System, Not the Terminal Nerve, Functions as the Primary Chemosensory Pathway Mediating Responses to Sex Pheromones in Male Goldfish

Fujita I.a · Sorensen P.W.b,c · Stacey N.E.b · Hara T.J.d
a Division of Biology, California Institute of Technology, Pasadena, Calif., USA; b Department of Zoology, University of Alberta, Edmonton, Alberta, Canada; c Department of Fisheries and Wildlife, University of Minnesota, St. Paul, Minn., USA; d Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, Manitoba, Canada

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: January 30, 2008
Issue release date: 1991

Number of Print Pages: 9
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

Studies of the neural mechanisms underlying responsiveness to sex pheromones in male goldfish suggest that, contrary to a currently popular hypothesis, the olfactory system (cranial nerve 1), and not the terminal nerve (cranial nerve 0), mediates chemosensory responses to pheromones. When the olfactory epithelium of male goldfish was exposed to two identified sex pheromones, 17α,20β-dihydroxy-4-pregnen-3-one and a mixture of prostaglandin Fand its metabolite 15-keto-prostaglandin F, the spontaneous activity of olfactory neurons located in the medial portion of the olfactory bulb changed, while activity of terminal nerve cell bodies did not. A variety of other synthetic and natural odors also failed to alter the activity of terminal nerve cell bodies as did visual, magnetic, thermal, and auditory cues. Terminal nerve activity was, however, inhibited by tactile stimulation, suggesting that this system may have a modulatory role associated with the physical interactions that characterize goldfish spawning behavior.

© 1991 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: January 30, 2008
Issue release date: 1991

Number of Print Pages: 9
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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