The Man Who Lives in a Rainbow @ wired.com (print version)
Even foreign languages prompt bursts of colors, he said. When W.O. heard Korean spoken, his mind flashed colors, even though he couldn't understand the meaning, said Palmeri.
Hubbard said the experiments with W.O. match some performed in his lab that show synesthesians see colors where others see only black and white.
Just how W.O. perceives this color is difficult to understand, the researchers said.
"He tries to describe it to me, and I still can't appreciate it. It's like trying to describe colors to a person who can't see them," said Palmeri. "How could you describe color to a blind person? You really can't."