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Baby chicks link certain sounds with shapes, just like humans do
- Chicks show bouba-kiki sound–shape associations, mirroring human reactions in landmark tests.
- Researchers tested very young chicks to assess innate perceptual links before experience.
- In the trials, chicks moved to rounded shapes after hearing 'bouba' and to sharp shapes after 'kiki'.
- The study supports the idea that sound–shape associations may have aided language evolution.
- Chicks’ responses align with broader animal studies showing cross-species perceptual links.
- The work adds to evidence that bouba-kiki effects occur beyond humans.
- The study used panel tests and moving video screens to measure responses.
- The researchers’ aim was to test whether innate perceptual links exist at life’s earliest stage.
- The findings could illuminate how perceptual systems influenced early language creation.
- Researchers note that the bouba-kiki effect links sounds to shape perceptions across species.
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