Inside the Preston Robert Tisch Brain Tumor Center, Karen waits patiently as a parade of doctors and technicians pokes and prods, taking samples of all kinds.

CNN: Vaccine may shift odds against deadly brain cancer

In 2009, Yaling Yang, Robert Schug and I conducted structural brain scans on 27 psychopaths whom we had found in temporary-employment agencies in Los Angeles.

WSJ: Neurocriminology: Inside the Criminal Mind

Robert Needleman and Barry Zuckerman were well-armed with the latest knowledge of brain research and stimulation.

FORBES: A $5 Children's Book vs. a $47,000 Jail Cell -- Choose One

But Dr Robert Green, who led the study, suggested depression could adversely affect the brain or could be a very early symptom of the disease.

BBC: Clue to old age memory loss

And on the morning of May 9th, 2008, I kissed my wife goodbye before being wheeled into an operating room, where Dr. Robert Rosenwasser of Thomas Jefferson Hospital proceeded to cut through my skull, recess my brain, and clip off the offending artery.

FORBES: Five Years After A Brain Aneurysm, Fear Of Dying Can't Make Me Quit Living

In 2008, Robert Hughes, from Croydon, was stabbed with a broken bottle and had his head stamped on, leaving him brain-damaged.

BBC: Footballer Robert Hughes' mother secures European laws