The Roles of the Main Olfactory and Vomeronasal Systems in Prey Detection by Two Terrestrial Salamanders

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The Roles of the Main Olfactory and Vomeronasal Systems in Prey Detection by Two Terrestrial Salamanders

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dc.contributor.advisor Laberge, Frédéric
dc.contributor.author Telfer, Angela
dc.date 2011-09-09
dc.date.accessioned 2011-09-13T19:56:15Z
dc.date.available 2011-09-13T19:56:15Z
dc.date.issued 2011-09-13
dc.identifier.uri http://hdl.handle.net/10214/2983
dc.description.abstract Terrestrial salamanders of the genus Plethodon are among many vertebrates possessing both main olfactory and vomeronasal systems, which the Volatility Theory posits are for detection of volatile and soluble olfactory cues, respectively. Further recent work showing a high amount of convergence between the two olfactory subsystems at the level of the central nervous system suggests complementary or overlapping roles for them. This study examined the use of the olfactory subsystems in prey detection from the perspectives of behaviour and neurobiology. Red-backed salamanders, Plethodon cinereus, were observed in standardized behavioural assays with both volatile and soluble prey olfactory cues. Naïve salamanders showed an increase in nosetapping as well as a side preference in the presence of soluble and volatile prey cues when tested in a 22°C day/20°C night room. In a 15°C day /12°C night room, salamanders increased nosetapping in the presence of soluble prey cues. Salamanders showed a pattern of responses that differed based on their previous experience with the assay, as well as the temperature of the testing room. Attempts to study the neurobiology of olfactory function in Plethodon shermani were inconclusive up to this point, but future directions are discussed. This study shows the importance of olfaction in prey detection by salamanders and that prey searching behaviour is exhibited in the exclusive presence of olfactory cues. en_US
dc.language.iso en en_US
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/2.5/ca/ *
dc.subject Plethodon cinereus en_US
dc.subject olfaction en_US
dc.subject prey detection en_US
dc.subject c-Fos immunocytochemistry en_US
dc.subject Plethodon shermani en_US
dc.subject olfactory subsystem function en_US
dc.title The Roles of the Main Olfactory and Vomeronasal Systems in Prey Detection by Two Terrestrial Salamanders en_US
dc.type Thesis en_US
dc.degree.programme Integrative Biology en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Integrative Biology en_US


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http://creativecommons.org/licenses/by-nc-nd/2.5/ca/ Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-nd/2.5/ca/

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