Head-mounted mobile eye-tracking in the domestic dog: A new method.
Head-mounted mobile eye-tracking in the domestic dog: A new method.
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DOI：
10.3758/s13428-022-01907-3
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发表时间：
2023-06
影响因子：
5.4
通讯作者：
Buchsbaum, Daphna
中科院分区：
文献类型：
--
作者：
Pelgrim, Madeline H.;Espinosa, Julia;Buchsbaum, Daphna
人类依靠狗完成无数任务，从陪伴到高度专业化的探测工作。在日常生活中，狗必须在人类建造的视觉世界中导航，但相对而言，人们对狗在环境中移动时的视觉注意力知之甚少。真实世界的眼动追踪，或头戴式眼动追踪，允许参与者在他们的环境中自由移动，在与物体和代理交互时提供关于视觉注意力的更自然的结果。在狗中，真实世界的眼动追踪有可能为我们了解跨物种认知能力以及工作犬训练提供信息;然而，以前尚未开发和测试过一种强大且易于部署的头戴式眼动追踪方法。我们提出了一种新的方法，在狗的真实世界的眼睛跟踪，使用一个简单的头戴式移动的设备安装到为狗设计的护目镜。这种新方法改编自人类广泛使用的系统，允许在更自然的行为中进行眼动跟踪，即四处走动和与真实世界的刺激进行交互，以及与传统的固定眼动跟踪方法相比减少训练时间。我们发现，在完成一个简单的强迫选择寻找任务时，狗主要看的是治疗，我们使用替代的凝视跟踪方法证明了这种方法的准确性。此外，眼动追踪揭示了更多细粒度的时间过程信息和个体差异的观看模式。
Humans rely on dogs for countless tasks, ranging from companionship to highly specialized detection work. In their daily lives, dogs must navigate a human-built visual world, yet comparatively little is known about what dogs visually attend to as they move through their environment. Real-world eye-tracking, or head-mounted eye-tracking, allows participants to freely move through their environment, providing more naturalistic results about visual attention while interacting with objects and agents. In dogs, real-world eye-tracking has the potential to inform our understanding of cross-species cognitive abilities as well as working dog training; however, a robust and easily deployed head-mounted eye-tracking method for dogs has not previously been developed and tested. We present a novel method for real-world eye-tracking in dogs, using a simple head-mounted mobile apparatus mounted onto goggles designed for dogs. This new method, adapted from systems that are widely used in humans, allows for eye-tracking during more naturalistic behaviors, namely walking around and interacting with real-world stimuli, as well as reduced training time as compared to traditional stationary eye-tracking methods. We found that while completing a simple forced-choice treat finding task, dogs look primarily to the treat, and we demonstrated the accuracy of this method using alternative gaze-tracking methods. Additionally, eye-tracking revealed more fine-grained time course information and individual differences in looking patterns.
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