s/n14395955

Information
has gloss	(noun) dementia with onset before the age of 65 presenile dementia
lexicalization	eng: presenile dementia
subclass of	(noun) mental deterioration of organic or functional origin dementedness, dementia
has subclass	(noun) 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 Alzheimer's, Alzheimers, Alzheimer's disease
has subclass	(noun) 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 Pick's disease