Alzheimer's disease.

Acetylcholine/metabolism Acetylcholinesterase/analysis Age Factors Aged Aluminum/analysis Alzheimer Disease/diagnosis,etiology,metabolism Amyloid/isolation & purification Amyloid beta-Peptides Brain/pathology Brain Chemistry Cell Count Cognition Craniocerebral Trauma/complications Delirium/diagnosis Dementia/diagnosis Diagnosis, Differential Female Humans Interpersonal Relations Male Memory Middle Aged Neurofibrils/pathology Neurotransmitter Agents/metabolism Personality Sex Factors Silicon/analysis Thyroid Diseases/complications Tomography, Emission-Computed

Amyloid Amyloid beta-Peptides Neurotransmitter Agents Aluminum Acetylcholinesterase Acetylcholine Silicon