Genetica e linguaggio

The relationship between genetics and language has become central in the debate about the evolution of language. Revealing has been the study of the KE, affected by a point mutation in FOXP2 gene, revolt to the control of orofacial and supralaryngeal vocal tract fine motor control. The molecular evolution of this gene has marked the history of human species emergence, from apes to hominids up to Homo sapiens (Enard 2000). Other studies, based on comparative analysis of schizophrenia and genetic mutation, take lateralization as the momentous division between Homo sapiens and hominids (Crow 1996). Both hypotheses leave open an explanation of how evolved the mental component of language, which can be explained by a revised version of Chomsky notorious account. The path from morphology to cognitive function in the human language should rely on a fundamental aspect: the emergence of shared meaning about the perceived reality. There is a link between language and life getting far over the bare combinatorial capability as well as genetic rules. The point of view of Crow, together with other evidences from psychopathology allow conciliating genetic evidences with the ontological inquiry of the semantic meaning in natural-historical languages.