Brain-imaging tool and stroke risk test help identify cognitive decline early

... reveals early evidence of amyloid beta "plaques" and neurofibrillary tau "tangles" in the brain-the hallmarks of Alzheimer's disease. The study, published in the April issue of the Journal of Alzheimer's Disease , demonstrates that taking both ...

http://medicalxpress.com/news/2013-04-brain-imaging-tool-cognitive-decline-early.html