Since the 1950s in the field of linguistics based upon an evolutionary worldview, there has been a belief that human language has a partially biological origin.<ref name="mcwhorter"/><ref>Steven Pinker. The Language Instinct.</ref><ref>Ronald Wardaugh. Investigating Language: Central Problems in Linguistics.</ref><ref>Frederick J. Newmeyer. Linguistic Theory in America.</ref> If this hypothesis is correct, from the evolutionary perspective, then the original language (or languages) may have been spoken about 150,000 years ago. | Since the 1950s in the field of linguistics based upon an evolutionary worldview, there has been a belief that human language has a partially biological origin.<ref name="mcwhorter"/><ref>Steven Pinker. The Language Instinct.</ref><ref>Ronald Wardaugh. Investigating Language: Central Problems in Linguistics.</ref><ref>Frederick J. Newmeyer. Linguistic Theory in America.</ref> If this hypothesis is correct, from the evolutionary perspective, then the original language (or languages) may have been spoken about 150,000 years ago. |