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Is “Huh?” a Universal Word? Conversational Infrastructure and the Convergent Evolution of Linguistic Items

Figure 7

Interjection onset by language.

Aspiration [h] and glottal stop [ʔ] onsets are at opposite ends of a continuum with no onset () in the middle. In most languages, ‘no onset’ is the default form, and the direction in which interjections diverge from this is related to the phonology of the language. Spanish is a special case because the laboratory recordings [20] allow the detection of even the slightest glottal constriction or aspiration. In this product plot [102], area of squares is proportional to token count: a larger square means more tokens.

Figure 7

doi: https://doi.org/10.1371/journal.pone.0078273.g007