PET and MRI scans may together distinguish a new type of dementia from Alzheimer’s disease (AD), a 2026 retrospective, ...

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 ...

Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer’s, including amyloid ...

"Amyloid and tau proteins are often considered the primary players in Alzheimer's disease, but blood flow and oxygen delivery are also critical,” said Amaryllis A. Tsiknia from USC's Mark and Mary ...

This news may put some minds at ease. “Our test identifies very early stages of tau tangle formation — up to a decade before any tau clumps can show up on a brain scan,” said senior study author ...

ROCHESTER, Minn. -- Mayo Clinic researchers have developed a new artificial intelligence (AI) tool that helps clinicians identify brain activity patterns linked to nine types of dementia, including ...

Dementia doesn't just erode memory -- it also changes behavior and mental health. A study shows the brain's salience network and tau protein may be involved. When most people think of dementia, ...

New research has shed light on a brain blood vessel disorder that could quadruple the risk of dementia in older adults. Here's everything to know ...