A team led by Eamon Doyle, Ph.D., in the Borzage Laboratory at Children's Hospital Los Angeles developed novel computational ...

But through the miracle of MRI, you can infer from these atoms where blood flows in veins, the sources of it, and see brain activity, and modulations of it," he said.

The MRI scanner magnetically 'tags' the blood as it flows up through the neck. Alternatives require the use of radioactive chemicals and a PET scanner, which is expensive and only available overseas.