Positron emission tomography (PET), a nuclear ... nervous system PET imaging. This new approach allows for the detection of oxidative stress, a key factor in brain damage, paving the way for ...

Genetics could play a role, since studies have shown that people with immediate relatives who have OCD are more likely to develop it. Brain structure could also be to blame. PET imaging has ...

Positron emission tomography (PET) is a nuclear imaging technique used to diagnose conditions such as cancer. An innovative advance from scientists at St. Jude Children's Research Hospital is ...

Alzheimer's disease, a type of dementia that profoundly alters a person’s memory and cognitive function, affects an estimated 6.7 million U.S. adults at least 65 years old, according to the ...

The largest-ever functional imaging study of the brains of people with obsessive-compulsive disorder, and healthy comparison volunteers, shows significant differences in activity in regions ...

Cognitive assessments, brain scans and blood tests are often used to diagnose Alzheimer’s because no single test is definitive. One exam, a tau PET scan, relies on a radioactive tracer injected ...

This study involves measures of brain structure and function using MRI (magnetic resonance imaging) and PET (positron emission tomography) scanning techniques. Age Group: 60+ Time Commitment: Two ...