The article discusses the specifics of the conservation and transformation of linguistic and socio-cultural norms of the

Theoretical and applied aspects of bilingualism draw attention not only linguists now, but also researchers in the field of speech and language pathology more and more. This interest is caused by the relevance of perspective of bilingualism around the world. In the article the purpose -to give a theoretic-methodological justification of the need of studying of the neuropsychological syndrome as the mechanism of violation of verbal activity of the children having speech dysfunctions is set. In this connection the author solves the following problems: the principles and conditions of carrying out diagnostic studying and correction of speech frustration are defined, the role of neuropsychological syndrome is shown in structure of pathogenesis of Lalo pathology.