Sex pheromones selectively stimulate the medial olfactory tracts of male goldfish

Peter W. Sorensen, Toshiaki J. Hara, Norman E. Stacey

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

The olfactory tracts of teleost fish are comprised of medial and lateral sub-tracts which previous studies suggest convey responses to pheromones and food odors respectively. This study tested this possibility by recording electrical responses from the medial and lateral tracts of male goldfish exposed to sex pheromones and food odors. Only the medial olfactory tract responded to pheromones and both tracts responded to an L-amino acid and crude food odor. These findings verify earlier studies of peripheral olfactory sensitivity to pheromones and confirm that pheromonal information is carried within the medial tracts. They also suggest that the neural processes responsible for food recognition are more complex than previously supposed.

Original languageEnglish (US)
Pages (from-to)343-347
Number of pages5
JournalBrain Research
Volume558
Issue number2
DOIs
StatePublished - Sep 6 1991

Keywords

  • 17α,20β-Dihydroxy-4-pregnen-3-one
  • Amino acid
  • Bile salt
  • F prostaglandin
  • Goldfish
  • Olfactory tract
  • Pheromone

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