University of Parma researchers showed rounded and pointed shapes to 70 adult dogs while playing the sounds Bouba and Kiki. Two experiments involving 51 and 19 dogs found a tendency to look more toward the shape corresponding to the sound. In the second experiment, owners wore headphones to reduce inadvertent cues, and head direction in video served as a proxy for gaze. The university’s announcement notes that effects of experience and species-specific characteristics remain unresolved. The findings explore associations between sounds and visual information, not a conclusion that dogs understand word meanings as humans do.
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Study of 70 pet dogs observes possible sound-shape associations
Different looking behavior toward rounded and pointed shapes is a perceptual clue needing further study, not proof of language understanding.