title: Forty hertz EEG activity in Alzheimer's type dementia.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000503:physiopathology*; D001921:Brain / Q000503:physiopathology*; D003704:Dementia / Q000503:physiopathology*; D004569:Electroencephalography; D005260:Female; D007839:Functional Laterality; D006801:Humans; D008297:Male; D008875:Middle Aged; D011340:Problem Solving / Q000502:physiology