Dog brains process speech like humans do
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Researchers in Hungary discovered that dog brains process speech by segmenting it into words, mirroring a pattern previously observed only in humans.
The Neuroethology of Communication Lab at ELTE Department of Ethology in Budapest studied the brain activity of 20 people and 20 dogs while they listened to speech streams. They found that both species’ brains synchronized with the rhythm of consonant-structured words more strongly than with vowel-structured or random streams.
This suggests that the ability to efficiently process speech may not be unique to humans or require specialized language abilities. The scientists hypothesized that repeated exposure to speech can reshape brain function, even in animals far removed from humans evolutionarily. They tested this by exposing dogs, some raised as pets and others who spent their first months as strays, to the same speech patterns, and both groups displayed a similar preference for consonant-based word structures.
However, the study also revealed differences. Humans demonstrated some ability to recognize word patterns based on vowels, while dogs did not. Additionally, human brains processed individual speech sounds, while dogs processed syllables as the smallest units. These findings indicate that while dogs can learn to recognize speech patterns, humans have a more refined capacity for linguistic processing.
