研究作者科辛·穆勒说：“我们可以排除狗只是根据简单的线索来区分图片，比如看到牙齿。”

"We can rule out that the dogs simply distinguish between the pictures based on a simple cue, such as the sight of teeth," said study author Corsin Muller.

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REM是一种更浅的睡眠形式，我们在做梦中产生了意识，艾德辛科斯基这样说。

REM is the more shallow form of sleep, during which wedream, so that made sense, Idzikowksi says.

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“案情陈述记录显示，他一直都处于夜惊状态，”艾德辛科斯基说，“但这不只是因为有睡行症的病史。

"The recordings show that he had acondition that was consistent withnight terrors, " says Idzikowski."But there's more than just a historyof sleepwalking.

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