A woman living with Parkinson’s disease played her clarinet while undergoing brain stimulation, offering surgeons immediate, audible evidence of the procedure’s success. Denise Bacon, 65, from ...

A brain-stimulating procedure has improved symptoms of Parkinson’s disease for a 65-year-old woman in England – with the proof immediately clear when she began playing the clarinet during surgery.

In a London operating room, the soft, familiar sound of a clarinet drifted through the air — not from a concert hall, but from the hands of a woman whose brain was being operated on. Denise Bacon, a ...