Chernov. [Psychogenetic studies of speech and language abilities: a brief overview and prospects for study]

Abstract:
In the article the basic results of psychogenetic researches of speech and language are stated. It is revealed that factors of shared environment, alongside with genetic influences play a considerable role in formation of specific features of speech and language; their role is considerable in early ontogenesis. Later contribution of shared environment in an explanation of individual distinctions in speech and language development falls and the role of factors of heredity increases. It is observed considerable ontogenesis stability of speech and language abilities that is provided with stability of genetic and shared environmental influences.