July 8, 2025

On the origins of human speech: language as an internal trigger of the reward system

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This article presents a neuroevolutionary model of language, highlighting the role of intrinsic reward in vocal communication for early humans.

Language origins are linked to an intrinsic reward mechanism that enhanced vocal communication.
Successful symbolic matching activates dopaminergic reward circuits, which enrich communication abilities.
Neuroevolutionary adaptations in Homo sapiens improved vocal capacities, influencing language development.
Symbolic behaviors not only facilitated social interaction but also offered adaptive advantages for stress reduction.

Serge Nataf (2025) studied this question.

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This article presents a neuroevolutionary model of language, highlighting the role of intrinsic reward in vocal communication for early humans.