Great-tailed grackles can independently direct their eyes toward different targets
Great-tailed grackles can independently direct their eyes toward different targets
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大尾鹩莺可以独立地将目光转向不同的目标
DOI：
10.1007/s00221-021-06122-8
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发表时间：
2021
影响因子：
2
通讯作者：
Yorzinski, Jessica L.
中科院分区：
文献类型：
--
作者：
Yorzinski, Jessica L.
许多物种使用眼球运动来将它们的外显注意力引导到它们环境中的特定目标。有些物种可以独立地移动每只眼睛，但我们对它们是否可以同时用每只眼睛监视不同的目标的了解有限。因此，这项研究测试了鸣禽是否可以独立地将眼睛移向两个不同的目标。将一个目标同时置于圈养的墨西哥拟雀鹰（Quiscalus mexicanus）的左侧视野和右侧视野中;两个目标均在上视野中、均在下视野中或一个目标在一只眼的上视野中而另一个目标在另一只眼的下视野中。无论目标出现在什么位置，八哥都能正确地将它们的左右眼对准目标。这些结果表明，一个鸟类物种可以同时对两个不同的目标进行眼球运动。
Many species use eye movements to direct their overt attention toward specific targets within their environments. Some species can move each eye independently but we have a limited understanding of whether they can simultaneously monitor different targets with each eye. This study, therefore, tested whether a songbird can independently move its eyes towards two different targets. Captive great-tailed grackles (Quiscalus mexicanus) were simultaneously presented with one target in their left visual field and another target in their right visual field; the targets were both in the upper visual fields, both in the lower visual fields, or one target was in the upper visual field of one eye, while the other target was in the lower visual field of the other eye. The grackles correctly directed their left and right eyes toward the targets regardless of where the targets appeared at levels greater than chance. These results demonstrate that an avian species can perform simultaneous eye movements towards two different targets.
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影响因子：
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作者：
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通讯作者：
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通讯作者：
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