التخلف العقلي و دوره في تأخر الكلام عند فئة متلازمة داون

الملخص EN

One of the most important pillars on which linguistics is based is the idea that language is a customary social phenomenon.

This means that language is an activity of social activities practiced by a group of individuals in certain circumstances.

The social function of the language lies in its being a means of communication and a way of distinguishing different social groups, Mental growth, cognitive and emotional.

Therefore, the subject of language is one of the important topics that preoccupied the ancients and modern linguists.

Medicine, psychology, education, sociology and other disciplines, especially in self-expression and understanding of others.