Dogs Have Demonstrated Ability to Match Speech and Shapes
New research shows your dog may intuitively link certain sounds to specific shapes, a trait previously studied in humans.
Updated on Oct. 13, 2026 in Dogs
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Researchers have discovered that dogs can associate particular speech sounds with either rounded or spiky shapes. This finding provides evidence that animals without human-like language can perceive the bouba-kiki effect.
Why it matters
Understanding how dogs perceive language sounds helps explain the cognitive connection between sensory information and abstract concepts. This study highlights that basic linguistic associations may be shared across species, offering a glimpse into how your pet processes the world.
In an experiment with 51 dog owners, 56% of dogs lingered on a rounded shape when hearing the word 'bouba' and 63% gazed at a spiky shape when hearing 'kiki'. These results held consistent even when owners wore headphones playing music.
The players
University of Parma
An Italian research institution focused on exploring complex cognitive behaviors.
Eötvös Loránd University
A Hungarian research university known for its extensive studies on animal behavior and cognition.
The details
Researchers at the University of Parma and Eötvös Loránd University tested dogs by placing a rounded and a spiky shape on opposite sides of a room. By observing which shape the dogs lingered on or gazed at after hearing specific sound-based cues, scientists measured whether the dogs recognized the sound-shape correspondence. This experiment successfully extended the study of the bouba-kiki effect—previously observed in humans—into the animal kingdom.
Timeline
2001: Many studies began reporting human bouba-kiki effect results.
The Home Front
This study updates the understanding of the bouba-kiki effect, which has served as a benchmark for human language acquisition since 2001. The findings move this psychological phenomenon out of the purely human realm and into the broader study of cross-species sensory perception.
While you do not need to change your training routine, you can observe how your dog reacts to different vocal tones and words in your daily interactions. Future research may provide more insights as studies on puppies, foxes, and cats are currently being collected.
The takeaway
The research suggests that your dog processes sound and shape relationships more like humans than previously thought. You might try speaking clearly and consistently to help your pet better associate specific commands with their intended objects.
Further reading
Learn more about the latest research regarding canine cognition in the Dogs section.
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Do you believe animal behavior proves that sensory perception is independent of human language?
