... mental growth. Although this can not be the complete story as some children who do not have any or very limited interaction with other humans do not learn the normal language skills. Even if children who were deprived from language in their early years and are then introduced into society they fail to acquire any more than a very basic linguistic knowledge. If language was natural to the mind then when these deprived children where put back into society the appropriate triggers would have been provided and they should have acquired language in the usual way. In general terms it would seem that language acquisition is linked to: Physical Growth - The body has to mature enough for the child to produce recognisable words by manipulating te speech organs effectively and consciously Social Factors - the environment and culture a child grows up will influence the kind of language input ...

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