Anatomical constraints and colonial linguistics: How vocal tract diversity reflects—and reproduces—structural inequalities in language power
Original framing: “Variations in the human vocal tract could have influenced language diversity” — Phys.org
The study silences the voices of linguists from the Global South, like Salikoko Mufwene (University of Chicago), who argue that language diversity is a product of historical resistance rather than biological chance. Marginalized communities, such as the Romani people or the Adivasi tribes of India, have long faced erasure of their vocal adaptations in favor of dominant linguistic norms. Even within academia, non-native English-speaking scholars report systemic bias in publishing, where studies on 'exotic' phonetics are often framed as curiosities rather than critical knowledge. The absence of these voices reinforces the study’s complicity in reproducing linguistic hierarchies.
The study’s focus on vocal tract anatomy as the sole driver of language diversity is a classic example of how scientific inquiry can become complicit in obscuring power structures.
By treating linguistic variation as a neutral biological phenomenon, it reproduces the same colonial logic that once pathologized Indigenous phonetics to justify assimilation—now repackaged as 'diversity.' The missing piece is the political economy of language: how universities, tech corporations, and governments collude to standardize communication around a narrow set of norms, while erasing the vocal adaptations of marginalized groups. Cross-cultural perspectives, like those of the !Kung San or Polynesian navigators, reveal that vocal diversity is often a form of ecological and spiritual resilience, not a problem to solve. The solution lies in centering Indigenous sovereignty over language data, treating phonetic adaptations as cultural heritage, and reframing 'diversity' as a tool for resistance rather than a curiosity for study. Without this systemic shift, even well-intentioned research risks becoming another chapter in the story of linguistic erasure.