Medical imaging scans that create detailed images of the body’s internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

To test the limits, the researchers started by firing a powerful, ultrafast laser into the side of a volunteer’s head. The ...

In radiation therapy, precision can save lives. Oncologists must carefully map the size and location of a tumor before ...

Smaller, shallow brain folds in the posteromedial cortex show greater thinning with age and Alzheimer’s disease, and their ...

CT angiography sensitivity ranged from 75.5–87.3%, while specificity held near 90% across scales. Sensitivity refers to how well a test finds its target, in this case, brain death.

New research has pinpointed specific brain regions that are altered in individuals with psychopathy—especially those with ...

Any high school reunion is a sharp reminder that some people age more gracefully than others. Some enter their older years ...

Although it’s too soon to use the new results in the clinic, the test provides advantages over previously reported ‘clocks’ — ...

A CT scan (also called a CAT scan) is a series of cross-sectional X-ray images of the body. Learn why a CT scan is performed and what to expect during one.