\" \" These gifts are key to research that may change the way a wide range of ailments are treated. Researchers are looking for a few — er, many — good men and women to donate their brains to science. A brain donor's body has to be refrigerated or the brain put on ice within six hours of death, according to researchers at Harvard University. Driver's License Designation Is Not EnoughIf you decide to go ahead with brain donation, there are certain steps required to seal the deal. Designating yourself as an organ donor on your driver's license alone doesn't give researchers the right to take your brain.