presenile dementia

/priˈsiˌnaɪl dəˌmɛntʃə/

Definitions of presenile dementia

1. noun

   dementia with onset before the age of 65
   types:

   Alzheimer's, Alzheimer's disease, Alzheimers

   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

   Pick's disease

   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

   type of:

   dementedness, dementia

   mental deterioration of organic or functional origin