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神经证据显示狗以类似人类的辅音偏好切分听到的语音

Neural evidence that dogs segment the speech they hear with a humanlike consonant bias

Science · 2026 年 9 月 24 日 · Boglárka Morvai, Kinga G Tóth, Marianna Boros 等 7 人

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脑电记录显示,狗和人在切分语音流时都更依赖辅音而非元音模式。

在许多人类语言中,辅音携带的词汇信息多于元音;人类切分语音时更依赖辅音模式,而非人类灵长类则不然。为检验这种辅音偏好是否为人类独有,研究者对人和狗进行无创脑电记录。结果显示,两种动物对辅音结构的语音流都表现出更强的词级追踪,提示狗在切分听到的语音时也像人一样有辅音偏好。这表明基于语言规律的处理偏好可以在不说话的物种中出现。

为什么推荐给您:跨物种语音切分偏好新发现,属认知神经科学重要进展但非临床突破。

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Across many human languages, consonants carry more lexical information than vowels. During speech segmentation, humans, unlike nonhuman primates, rely more on consonant than vowel patterns, despite vowels' greater acoustic saliency. To investigate whether this consonant bias is specific to humans or could also emerge in other species exposed to human speech, we performed noninvasive electroencephalography in humans and dogs. Intertrial coherence measures of neural entrainment and event-related potentials revealed enhanced word-level tracking for consonant- compared with vowel-structured streams in both species. This suggests that dogs, similar to humans, exhibit consonant bias when segmenting the speech they hear. Linguistic regularity-based processing biases can thus also emerge in a nonspeaking species exposed to speech.

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