Explain and evaluate Vygotskys theory on the role of language in childrens cognitive development?

Vygotsky's theory emphasizes the importance of language in children's cognitive development, suggesting that children learn through social interaction and communication with more knowledgeable individuals. Language helps in the development of higher mental functions, such as problem-solving and reasoning. While Vygotsky's theory has been influential in understanding the social aspect of cognitive development, some criticize it for not placing enough focus on individual cognitive processes.