Olfactory Generalization in Detector Dogs

Generalizing to target odor variations while retaining specificity against non-targets is crucial to the success of detector dogs under working conditions. As such, the importance of generalization should be considered in the formulation of effective training strategies. Research investigating olfac...

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Main Authors: Ariella Y. Moser, Lewis Bizo, Wendy Y. Brown
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/9/9/702
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author Ariella Y. Moser
Lewis Bizo
Wendy Y. Brown
author_facet Ariella Y. Moser
Lewis Bizo
Wendy Y. Brown
author_sort Ariella Y. Moser
collection DOAJ
description Generalizing to target odor variations while retaining specificity against non-targets is crucial to the success of detector dogs under working conditions. As such, the importance of generalization should be considered in the formulation of effective training strategies. Research investigating olfactory generalization from pure singular compounds to more complex odor mixtures helps to elucidate animals’ olfactory generalization tendencies and inform ways to alter the generalization gradient by broadening or narrowing the range of stimuli to which dogs will respond. Olfactory generalization depends upon both intrinsic factors of the odors, such as concentration, as well as behavioral and cognitive factors related to training and previous experience. Based on the current research, some training factors may influence generalization. For example, using multiple target exemplars appears to be the most effective way to promote elemental processing and broaden the generalization gradient, whereas increasing the number of training instances with fewer exemplars can narrow the gradient, thereby increasing discrimination. Overall, this research area requires further attention and study to increase our understanding of olfactory generalization in dogs, particularly detector dogs, to improve training and detection outcomes.
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spelling doaj.art-469e429c172249039b14801df775687e2022-12-22T00:17:24ZengMDPI AGAnimals2076-26152019-09-019970210.3390/ani9090702ani9090702Olfactory Generalization in Detector DogsAriella Y. Moser0Lewis Bizo1Wendy Y. Brown2Canine and Equine Research Group, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, AustraliaSchool of Psychology, University of New England, Armidale, NSW 2351, AustraliaCanine and Equine Research Group, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, AustraliaGeneralizing to target odor variations while retaining specificity against non-targets is crucial to the success of detector dogs under working conditions. As such, the importance of generalization should be considered in the formulation of effective training strategies. Research investigating olfactory generalization from pure singular compounds to more complex odor mixtures helps to elucidate animals’ olfactory generalization tendencies and inform ways to alter the generalization gradient by broadening or narrowing the range of stimuli to which dogs will respond. Olfactory generalization depends upon both intrinsic factors of the odors, such as concentration, as well as behavioral and cognitive factors related to training and previous experience. Based on the current research, some training factors may influence generalization. For example, using multiple target exemplars appears to be the most effective way to promote elemental processing and broaden the generalization gradient, whereas increasing the number of training instances with fewer exemplars can narrow the gradient, thereby increasing discrimination. Overall, this research area requires further attention and study to increase our understanding of olfactory generalization in dogs, particularly detector dogs, to improve training and detection outcomes.https://www.mdpi.com/2076-2615/9/9/702caninedetectiondiscriminationodorscentsniffer dogtargettrainingvariation
spellingShingle Ariella Y. Moser
Lewis Bizo
Wendy Y. Brown
Olfactory Generalization in Detector Dogs
Animals
canine
detection
discrimination
odor
scent
sniffer dog
target
training
variation
title Olfactory Generalization in Detector Dogs
title_full Olfactory Generalization in Detector Dogs
title_fullStr Olfactory Generalization in Detector Dogs
title_full_unstemmed Olfactory Generalization in Detector Dogs
title_short Olfactory Generalization in Detector Dogs
title_sort olfactory generalization in detector dogs
topic canine
detection
discrimination
odor
scent
sniffer dog
target
training
variation
url https://www.mdpi.com/2076-2615/9/9/702
work_keys_str_mv AT ariellaymoser olfactorygeneralizationindetectordogs
AT lewisbizo olfactorygeneralizationindetectordogs
AT wendyybrown olfactorygeneralizationindetectordogs