Aphasias suffered after puberty, on the other hand, are rarely recovered from completely, and among those occurring after age eighteen, recovery is the exception rather than the rule, (1)___________________________. When Krashen (1973) reexamined the data on speech loss and recovery after unilateral brain damage, plus that available from psychological and dicrotic listening tests, (2)_________________________, the shifting of most linguistic knowledge to the left hemisphere (in most right-handed people), is completed far earlier than puberty, probably by age five in most cases.
Further, (3)_________________________________ to the minor one when the former suffers damage also seems to disappear after five, although the idea that it may continue until puberty in some cases is a possibility, too, on the basis on the evidence available.
