Dogs Show a Surprising Speech-Processing Skill Once Thought Unique to Humans
EEG recordings from 20 dogs and 20 adults found both species tracked consonant patterns more than vowels to identify word boundaries in speech.
- On Thursday, Science published a study by researcher Boglárka Morvai and Attila Andics showing that companion dogs segment continuous speech using consonants, mirroring human auditory processing. Researchers recorded EEG activity from 20 humans and 20 companion dogs listening to three-syllable nonsense words.
- Despite vowels carrying higher acoustic energy, humans typically rely on consonants to identify words, prompting researchers to investigate whether this 'consonant bias' is a unique human linguistic byproduct or reflects a broader mammalian capacity. The question remained unresolved until the EEG study.
- EEG recordings revealed that both species tracked word patterns organized by consonants rather than vowels, demonstrating canine brains actively leverage consonants as reliable markers to detect transitional probabilities in fluid speech. Because vowels were louder, the consonant preference cannot be dismissed as simple auditory reflex.
- Dogs with limited early language exposure exhibited the same robust consonant preference as those raised with heavy verbal interaction, indicating general statistical learning is sufficient to drive the preference. Early Language Exposure was not a strict prerequisite for the bias.
- The authors emphasize that consonant reliance could stem from tens of thousands of years of selective pressure during domestication or an ancient mammalian auditory mechanism predating domestication. Regardless of evolutionary origin, the study confirms word-segmentation biases operate naturally in man's best friend.
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(Seoul = Yonhap News) Reporter Lee Joo-young = Research results show that dogs, just like humans when listening to speech, rely more on consonants than vowels when finding word boundaries in a sequence of sounds...
Writing Science, Sep 24 (EFE).- Dogs, like humans, tend to rely more on consonants than on vowels when it comes to identifying the limits of words in speech, as suggested by a study published by Science led by Hungarian researchers.The brain of dogs divides speech [...] The entry Dogs, like humans, have preference for consonants was first published in HolaNews.
Dog brains track consonant patterns in speech, a first outside humans
Dog brains segment speech into words in a way previously seen only in humans, a new study from Hungary finds. This suggests that efficient speech processing is not necessarily a consequence of humans' unique language abilities: Regular exposure to speech alone can reshape how the brain functions, even in a mammalian species evolutionarily distant from humans. The discovery by the Neuroethology of Communication Lab at the ELTE Department of Ethology in Budapest is published in Science.
Scientists discover pets' brains understand human speech
For thousands of years, dog owners have sworn their four-legged friends understand every word they say.Now scientists have discovered that dogs’ brains really do adapt to the sound of human speech.A new study has found dogs brains can change just listening to people - allowing them to break up our speech into individual words in a similar way to humans.It is the first time this type of speech processing has been found in the brain of any species…
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