犬类搜索警觉性下降的实验室模型[j]

IF 1.4 3区 心理学 Q4 BEHAVIORAL SCIENCES
Edgar O. Aviles-Rosa, Mallory T. DeChant, Paola A. Prada-Tiedemann, Nathaniel J. Hall
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引用次数: 2

摘要

先前的研究发现,不频繁的目标会降低狗的警惕性。本研究的目的是建立一个实验室模型来评估不常见目标对狗的搜索行为和表现的影响。18只狗被训练在两个不同的房间(“操作”和“训练”)的自动嗅探器中检测无烟粉末。在基线期间,狗每天在两个房间接受五次高目标气味频率(90%)的训练。随后,目标气味的频率仅在“操作”室降至10%,而在训练室则保持在90%。最后,两个房间的气味率都恢复到90%。当目标气味频率降低时,所有狗在操作室的检测性能显著下降,但同时在训练室保持较高的性能。这种减少主要是由于适当搜索行为的减少。当气味频率再次增加到90%时,所有狗都恢复了表现。试验准确性与尾巴位置、搜索分数、延迟和环境导向行为持续时间有关。数据显示,低目标气味的流行率显著降低了搜索行为和表现,并且有一些行为可以被训练者用来评估他们的狗的搜索状态。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A laboratory model of canine search vigilance decrement, I

Previous studies have found that infrequent targets can reduce dogs' vigilance. The purpose of this study was to develop a laboratory model to evaluate the effects of infrequent targets on dogs' search behavior and performance. Dogs (n = 18) were trained to detect smokeless powder in an automated olfactometer in two distinct rooms (“operational” and “training”). During baseline, the dogs received five daily sessions at a high target odor frequency (90%) in both rooms. Subsequently, the frequency of the target odor was decreased to 10% only in the “operational” room but remained at 90% in the training room. Last, the odor prevalence was returned to 90% in both rooms. All dogs showed a significant decrement in detection performance in the operational room when the target odor frequency was decreased but simultaneusly mantained high performance in the training room. This decrement was largely due to decreases in adequate search behavior. All dogs recovered performance when the odor frequency was increased again to 90%. Trial accuracy was associated with tail position, search score, latency, and duration of environmentally directed behaviors. The data show that low target odor prevalence significantly reduced search behavior and performance and that there are behaviors that can be used by handlers to assess their dog's search state.

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来源期刊
CiteScore
3.90
自引率
14.80%
发文量
83
审稿时长
>12 weeks
期刊介绍: Journal of the Experimental Analysis of Behavior is primarily for the original publication of experiments relevant to the behavior of individual organisms.
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