用感觉富集法研究北美水獭的物体识别记忆

Jessica J. Wegman, C. M. DeLong
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引用次数: 0

摘要

揭示水獭认知和感知能力的研究可以利用提供环境、结构、食物、感官或认知丰富的任务。目前的研究检查了新的物体识别任务的使用,这是一项通常用于研究非人类动物记忆的任务,作为一种感官丰富的形式。目前的研究对象是居住在美国纽约州罗切斯特市塞内卡公园动物园的一只成年雄性水獭。这项任务的刺激对是多感官的(3D物体和气味)。本研究采用10分钟、1小时和24小时三个记忆间隔(每个记忆间隔包括10个会话)进行研究。水獭只花15%的时间在刺激对附近,很少进行探索,这表明这不是一种有效的感官丰富形式,也没有为长期记忆提供任何证据。这些结果与我们之前对水獭进行的研究形成了强烈的对比,我们使用了两种选择的强迫选择任务,提供了引人入胜的认知丰富。我们认为认知强化,包括通过训练(和基于食物的强化)对水獭来说可能比感官强化更有效。未来的研究应进一步利用认知富集任务来研究水獭的认知现象。这些类型的研究可以改善丰富实践,促进动物园水獭的积极福利,为保护工作提供信息,并增加我们对水獭感知和认知的有限知识。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigating Object Recognition Memory Using Sensory Enrichment with a North American River Otter (Lontra canadensis)
Research studies that shed light on cognitive and perceptual abilities in otters can utilize tasks that provide environmental, structural, food-based, sensory, or cognitive enrichment. The current study examined the use of the novel object recognition task, a task commonly used to study memory in non-human animals, as a form of sensory enrichment. The subject of the current study was an adult male otter that resided at the Seneca Park Zoo in Rochester, NY, USA. The stimulus pairs for this task were multisensory (3D objects and odorants). In this study, three memory intervals were investigated: 10 min, 1 h, and 24 h (each memory interval included 10 sessions). The otter spent only 15% of his time near the stimulus pairs and engaged in very few explorations, suggesting that this was not an effective form of sensory enrichment and did not provide any evidence for long-term memory. These results contrast strongly with our previous studies with otters using a two-alternative forced-choice task that provided engaging cognitive enrichment. We suggest that cognitive enrichment, including enrichment via training (and food-based enrichment), may be more effective for otters than sensory enrichment. Future research should further investigate cognitive phenomena in otters using tasks involving cognitive enrichment. These types of studies can improve enrichment practices and promote positive welfare for otters in zoos, inform conservation efforts, and grow our limited knowledge of otter perception and cognition.
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