Most languages have a specific interjection for expressing pain, and this study finds a common thread of the vowel sound 'ah' across many languages' expressions of pain.
Researchers observed a strong tendency for pain interjections globally to contain the vowel sound 'ah,' suggesting that these expressions may have deep evolutionary roots.
Katarzyna Pisanski noted that this prevalence of [a] in pain vocalizations indicates a connection between primal sounds of pain and the evolution of language.
Maia Ponsonnet, the lead author, highlighted her initial observation of vowel similarities across languages, which opened a discussion about the possible linguistic origins of pain expressions.
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