AUTHOR=Nóbrega Vitor A. , Miyagawa Shigeru TITLE=The precedence of syntax in the rapid emergence of human language in evolution as defined by the integration hypothesis JOURNAL=Frontiers in Psychology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2015.00271 DOI=10.3389/fpsyg.2015.00271 ISSN=1664-1078 ABSTRACT=
Our core hypothesis is that the emergence of human language arose very rapidly from the linking of two pre-adapted systems found elsewhere in the animal world—an expression system, found, for example, in birdsong, and a lexical system, suggestively found in non-human primate calls (Miyagawa et al.,