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Chicks link shapes with 'bouba' and 'kiki' sounds just like humans

Humans from many cultures tend to associate the nonsense words “bouba” and “kiki” with different shapes – and now it seems that 3-day-old chicks have the same inclinations

By Chen Ly

30 May 2024

Chicks seem to associate sounds with certain shapes

Pazargic Liviu/Shutterstock

To humans, some words seem to fit better with sharp shapes or round shapes – and the same seems to be true for baby chicks.

Research has shown that people tend to associate the nonsense word “bouba” with round shapes and “kiki” with spiky shapes. Many studies have found that the phenomenon is near-universal, applying in people across ages, cultures and languages.

“The effect is one example of sound symbolism, this spontaneous association between sounds and shapes,”…

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