The evolution of musicality and cross-domain co-evolutionary interactions
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Date
2024-06-18
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SAGE
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Abstract
The evolution of human musicality has often been linked to the evolution of the faculty of language since the development of musical and linguistic abilities seems to share a common phase in their ontogenesis. Apart from that, both singing and speaking are, on the one hand, universal forms of human vocal expression and, on the other hand, consist of culturally specific elements. Such a probable co-occurrence of the predisposition to speak and sing, with the cultural variability of both these forms of communication, has prompted researchers to indicate gene–culture co-evolution as the probable mechanism responsible for the emergence of human musicality and the faculty of language. However, in most evolutionary
scenarios proposed so far, the evolutionary paths of music and language followed independently after divergence from a common precursor. This article, based on observations of contemporary interactions between language and music, presents a different view in which musical and language-like forms of proto-communication interacted leading to the repurposing of some of their neural mechanisms. In this process, the Baldwinian interplay between plasticity and canalization has been proposed as the most probable evolutionary mechanism that shaped our musicality. The premises that support the presence of cross-domain co-evolutionary interactions in the contemporary communicative niche of Homo sapiens
are indicated.
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This is the accepted version (AAM) of the following article: The evolution of musicality and cross-domain co-evolutionary interactions, Musicae Scientiae, online-first 0(0). https://doi.org/10.1177/10298649241255694.
Sponsor
Narodowe Centrum Nauki
This research was funded by the National Science Center, Poland (grant number: 2021/41/B/HS1/00541).
Keywords
musicalitygene–culture co-evolution, Baldwinian evolution, developmental plasticity, cross-domain interactions, neural repurposing