Journal
JOURNAL OF VETERINARY MEDICAL SCIENCE
Volume 74, Issue 1, Pages 79-82Publisher
JAPAN SOC VET SCI
DOI: 10.1292/jvms.11-0225
Keywords
alarm chemosignal; odorant communication; self-released pheromone
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Funding
- Japan Society for the Promotion of Science [21228006, 23688035]
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Pheromones are defined as substances released from an individual (donor) that influence a second individual (recipient) of the same species. However, it is unclear whether mammalian pheromones can affect the donor itself. To address this question, the effect of self-exposure to an alarm pheromone was examined. Exposure to the alarm pheromone resulted in an enhanced anxiety response, which was not different between recipients that perceived their own pheromone and those that perceived another individual's pheromone. The present results suggest that the alarm pheromone influences the emotional system of the recipient as well as induces similar anxio-genic effects on the donor rat that released the alarm pheromone. This is the first evidence demonstrating the effectiveness of mammalian pheromone self-exposure.
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