The space between the arachnoid and pia meningeal layers encasing the brain is a landscape of connective tissue, blood vessels, and cerebrospinal fluid. Scientists debate how that fluid moves within ...

Medically reviewed by Nicholas R. Metrus, MD Key Takeaways The posterior communicating artery (PCOM) connects to the internal ...

Learn more about eLife assessments Blood flow to the brain is a sensitive marker of neuronal activity as well as of a number of diseases, including stroke, tumours and neurodegenerative conditions.

Please provide your email address to receive an email when new articles are posted on . MRI and PET scans are viable alternatives to ultrasound for cranial arteries in patients with suspected giant ...

The brain MRI is important for the diagnosis of prion disease for ruling out other possible etiologies, but it can also show features suggestive of prion disease. Brain MRI findings are found in most ...

BIDMC neurologists use the latest tests to accurately and quickly diagnose all types of neurological conditions. Learn more.

A berry aneurysm develops in an artery carrying blood in the brain. Most people do not know they have an aneurysm until it ruptures, which can be life threatening. Lifestyle measures can help prevent ...