Phantom Tunes Shed Light on the Brain
BY CARL ZIMMER In 2011, a 66-year old retired math teacher walked into a London neurological clinic hoping to get some answers. A few years earlier, she explained to the doctors, she had heard someone playing a piano outside her house. But then she realized there was no piano. The phantom piano played longer and longer melodies, like passages from Rachmaninov’s Piano Concerto number 2 in C minor, her doctors recount in a recent study in the journal Cortex. By the time the woman – to whom the doctors refer only by her first name, Sylvia – came to the clinic, the music had become her nearly constant companion. People with such musical hallucinations usually are psychologically normal – except for the songs they are sure someone is playing. Scientists were able to compare Sylvia’s brain activity when she was experiencing hallucinations that were both quiet and loud – something that had never been done before. By comparing the two states, they found important clues to how the b...