presenile dementia
English Thesaurus
1. dementia with onset before the age of 65 (noun.state)
| hypernym | : | dementedness, dementia, |
| definition | : | mental deterioration of organic or functional origin (noun.state) |
| hyponym | : | alzheimer's, alzheimer's disease, alzheimers, |
| definition | : | a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s; first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness (noun.state) |
| hyponym | : | pick's disease, |
| definition | : | a progressive form of presenile dementia found most often in middle-aged and elderly women and characterized by degeneration of the frontal and temporal lobes with loss of intellectual ability and transitory aphasia (noun.state) |
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