8 . the Thought - Language - Hand Link and Language Origins
نویسنده
چکیده
This final chapter is framed by the following admittedly broad question: Why is imagery part of language? That it is so has been a leading theme of this book. I shall develop a hypothesis at the end of the chapter that the evolution of language crucially depended at one point on gestures and imagery. Without gestures, according to the hypothesis, some of the brain circuits required for language (Broca’s area, including ‘mirror neurons’, and possibly others) could not have evolved in the way they have, whereby thought and language orchestrates them directly via a thought-language-hand (and speech) link. This hypothesis entails that the integration of gesture with language that we observe today in ourselves, and which in this book we have been at pains to describe, is an essential part of the machinery that was selected in evolution. It further entails that gesture is not a behavioral fossil, not an ‘attachment’ to language or an ‘enhancement’, as the theory that the first form of language was gestural implies, but is an indispensable part of our current day ongoing system of language, and was selected with speech in the evolution of this system.
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تاریخ انتشار 2004