Tau proteins play an important role in our normal brain function, mainly by helping to stabilize neurons in the brain. But in Alzheimer’s disease, tau proteins can misfold and tangle inside neurons.

Alzheimer disease (AD) is the most common cause of dementia and one of the leading causes of death in adults age 65 y or ...

Aug. 13 -- TUESDAY, Aug. 12 (HealthDay News) -- PET scans may provide doctors with a non-invasive method of detecting Alzheimer's disease-related brain plaques, Finnish researchers say. Currently, the ...

Dr. Gary Small answers the question: 'MRI, PET Scan for Alzheimer's Diagnosis?' May 4, 2009 -- Question: When are imaging diagnostics, such as an MRI or PET scan, used to determine whether I have ...

Routine brain scans are starting to reveal something that was invisible to doctors a decade ago: subtle structural changes that may foreshadow Alzheimer’s disease long before memory tests fail.

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer’s ...

Biologically speaking, there is no organ as vital or complex as the brain. And yet, the brain still remains somewhat a of a mystery—there’s a lot that even experts don’t know. Another troubling fact ...

New noninvasive tools reveal that subtle shifts in brain blood flow and oxygen use may mirror key markers of Alzheimer’s risk ...

The results showed that in some people, especially those with conditions other than Alzheimer’s disease, the scan signal was influenced more by iron or inflammation than by tau itself. In other words, ...

Tau proteins play an important role in Alzheimer's disease. Tau helps to stabilize neurons in the brain, but in Alzheimer's disease, tau proteins can misfold and tangle inside neurons. These tangles ...