Marcus Perlman (a lecturer in English language and linguistics at the University of Birmingham) writes for Psyche about a dubious idea with some interesting stuff attached:
Language gives us the power to describe, virtually without limit, the countless entities, actions, properties and relations that compose our experience, real and imagined. But what is the origin of this power? What gave rise to humankind’s ability to use words to convey meanings?
Traditionally, scholars interested in this question have focused on trying to explain language as an arbitrary symbolic code. If you take an introductory course in linguistics, you are certain to learn the foundational doctrine known as ‘the arbitrariness of the sign’, laid out in the early 20th century by the Swiss linguist Ferdinand de Saussure. This principle states that words are meaningful simply as a matter of convention. […] But this raises a conundrum – what is known in philosophy as ‘the symbol grounding problem’. If words are arbitrary and purely a matter of convention, then how did they come to be established in the first place? In practical terms: how did our ancestors create the original words? This is a challenging question to answer. Scientists have little direct knowledge of the prehistoric origins of today’s approximately 7,000 spoken languages, at least tens of thousands of years ago. We do, however, know an increasing amount about how people create and develop new sign languages.
Sign languages – which are articulated primarily by visible gestures of the hands, body and face – turn out to be far more common than previously realised, with a roughly estimated 200 such languages used by Deaf and hearing people around the globe. Crucially, sign languages are, absolutely, languages, every bit as complex and expressive as their spoken counterparts. And many sign languages are much younger than spoken languages, making their origins more transparent. Indeed, within just the past few decades, scientists have actually observed the early formation of entirely new sign languages – a process that happens spontaneously when Deaf people who are deprived of a sign language have the opportunity to live together and communicate freely with each other.
So how do they do it? How do Deaf people first establish a shared set of meaningful signs? Their solution is an intuitive one. Without access to a sign language, Deaf people communicate in essentially the same way that people do when they travel to a place where they don’t speak any of the local languages, or when they play a game of ‘charades’. Tasked to communicate without words, the human strategy is universal: we act out our meaning, pantomiming actions and using our hands and bodies to depict the sizes, shapes and spatial relationships of referents. […] Key to this process of forming new symbols is the use of iconicity – the creation of signs that are intrinsically meaningful because they somehow resemble what they are intended to mean. Iconicity, that connection between form and meaning, is a powerful force for communication, enabling people to understand each other across linguistic divides.
He goes on to investigate studies of iconicity in speech showing that “iconic vocalisations can be a powerful way for people to communicate when they lack a common language.” Which is all very well, and the studies are interesting, but we then get “there is at least a possibility that the forms of many spoken words began – like the symbols of sign languages – as iconic representations of their meanings.” Sure, fine, I can go along with “at least a possibility,” though I don’t know about “many,” but that gets us no closer to the origin of language, which continues to be a mystery. Anyway, like I say, interesting stuff there; thanks, Jack!
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