from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A disease marked by the loss of cognitive ability, generally over a period of 10 to 15 years, and associated with the development of abnormal tissues and protein deposits in the cerebral cortex.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A disorder involving loss of mental functions resulting from brain tissue changes; senile dementia of Alzheimer's type.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
After Alois Alzheimer (1864-1915), German neurologist.(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after Alois Alzheimer (June 14, 1864 - December 19, 1915), a German neurologist who described the disease in 1906. (Wiktionary)
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