A patient is examined during a scan at the University Hospital in Liege, Belgium, Tuesday, Nov. 24, 2009. Belgium's Rom Houben was misdiagnosed for 23 years as being in a coma until a doctor at Liege University discovered three years ago that Houben's brain was still functioning. Houben was diagnosed as being in a vegetative state following a car crash in 1983. (AP Photo/Yves Logghe) Tue Nov 24, 8:03 AM ET