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      Automated canine scent-detection apparatus: Technical description and training outcomes

      Edwards, Timothy L.
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      bjz039.pdf
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      DOI
       10.1093/chemse/bjz039
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      Edwards, T. L. (n.d.). Automated canine scent-detection apparatus: Technical description and training outcomes. Chemical Senses. https://doi.org/10.1093/chemse/bjz039
      Permanent Research Commons link: https://hdl.handle.net/10289/12667
      Abstract
      To date, laboratory scent-detection work with dogs has been a manual process whereby some or all aspects of the procedures are mediated by researchers. Automation of this process would eliminate issues associated with cuing, subjectivity in data collection, and reinforcement delivery. Herein, I describe an automated apparatus that can accommodate almost any type of sample that can be brought into the laboratory. The apparatus consists of a 17-segment carousel that rotates behind a panel. Dogs can access a single sample at a time through a port in the panel. Infrared beams are used to detect sample observations and indications, and a dog-activated switch is used to advance the carousel to the next sample. Correct indications are reinforced with an automated feeder. After screening 12 dogs, 5 dogs were selected and trained to use the apparatus to classify samples containing amyl-acetate. All dogs achieved hit rates and correct rejection rates at or near 100% in fewer than 25 half-days of training (mean: 19.6, range: 12 – 24). These data suggest that the apparatus can be used to obtain accurate sample classification without excessive training requirements. Future improvements to the apparatus and training protocols may reduce the training requirements further.
      Type
      Journal Article
      Publisher
      Oxford University Press (OUP)
      Rights
      This is an author’s accepted version of an article published in the journal: Chemical Senses. © The Author(s) 2019.
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      • Arts and Social Sciences Papers [1443]
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