The new technology could allow for new and improved applications in both medicine and research.  

For the first time, researchers visualize histone deacetylase in the brains of healthy volunteers.

Dopamine receptors in the cortex orient the brain toward the task at hand.

Overall brain metabolic rate can distinguish between pathological states of human consciousness, a study shows.

Director of Radiochemistry, Athinoula A. Martinos Center for Biomedical Imaging; Associate Professor, Harvard Medical School. Age: 35

For neuroscientists, experimental results converge to help crack the case of how the brain functions.

An inspiring lecturer turned Marcus Raichle’s focus from music and history to science. Since then, he has pioneered the use of imaging to study how our brains function.

Researchers find that positron emission tomography scans can help determine the degree to which some vegetative patients retain consciousness.

In living humans, researchers image snarls of tau, one of the proteins associated with Alzheimer's disease.

Techniques for watching tumors do their thing