Scientists are using MRI scans to understand how mental illness shows up in the bran. But new research raises concerns that existing studies are not reliable because the sample sizes are too small.
Advanced MRI scans of 40 embassy workers who developed health problems in Havana found no evidence to support claims that they were attacked or suffered brain injuries.
A computer program learned to identify people thinking about suicide by studying brain activity patterns associated with words like "death" and "trouble."
No wonder we don't feel rested after a first night in a new place: Half of our brain has stayed alert while the other half enjoyed deeper sleep, a study finds. We really have been half-asleep.
Researchers say they can measure how much pain someone is experiencing and even watch as prescription painkillers relieve it. The scanning technique could help doctors treat pain better, but the work is also fraught with questions about how the technology could interfere with the relationship between doctors and patients.