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 ...

Researchers use AI and postmortem tissue to reveal that tau PET scans are often influenced by iron and neuroinflammation rather than tau tangles alone.

Researchers from Japan have uncovered direct evidence showing how ketamine exerts its rapid antidepressant effects in ...

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

Major depressive disorder (MDD) is one of the leading causes of disability worldwide, and approximately 30% of patients develop treatment-resistant depression (TRD), a condition that does not respond ...

NEW ORLEANS (June 23, 2025)—A novel PET imaging approach has revealed distinct patterns of brain inflammation in patients with progressive apraxia of speech (PAOS), a rare neurodegenerative disorder ...

Digital FDG PET/CT can pick up cranial giant cell arteritis that may be missed on ultrasound because of a lack of trunk large ...

PET scans can light up tumors in the body and help doctors determine if they are cancerous or benign (noncancerous). The results of a PET scan help guide medical decisions. A PET scan is a type of ...

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.