Start targets for language, that 90% of children should have normal speech by 18 months and 3 years of age by March 2001/2002 and for access to play facilities, that 100% of children to have access to high quality play and learning opportunities.
The acquisition of language has been a fascination for over 2000 years because of the belief that Ontogenesis (the study of linguistic development) would give clues to Phylogenies (the linguistic development of the human race). The linguistic development of an individual is one of many human functions which have been included in the 'nature vs. nurture' question, and linguists and psychologists had formulated many different theories as to how children use information possessed about language, either through exposure and experience or innately, to become proficient speakers of one or more language.
Language acquisition is one of the central topics in cognitive science. Every theory of cognition has tried to explain it; probably no other topic has caused such controversy. Language is the main vehicle by which we know about other people's thoughts, and the two must be intimately related. Every time we speak we are re
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