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乌鸦展示出推理技巧
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Han
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Sep 21, 2012, 3:25:47 AM
9/21/12
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乌鸦确实很聪明,我亲眼见过乌鸦用水去泡硬面包,还有利用地铁碾碎坚果
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乌鸦展示出推理技巧
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Solidot
by blackhat on 9/17/12
根据发表在PNAS上的一篇论文,研究人员发现新喀鸦(New Caledonian crows)能推理出隐藏的因果代理人,这种认知能力此前只在人类身上观察到。 在实验中,研究人员给了8只新喀鸦1个盒子,它们可用工具从盒子中取出食物。然后把这个盒子放到蓝帘旁,蓝帘后面藏了一个人,他可移动一个伸出的木杆。当乌鸦观察到杆子运动而没有人类进出隐蔽处时,它们看上去变得警觉。乌鸦更可能去检查蓝帘并放弃寻找食物,暗示乌鸦推断出杆子可能再次移动。研究结果支持了一种假说,即新喀鸦和人类类似,可以把观察到的事件归结于一个隐藏的动因。
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