Tinnitus causes widespread trouble
Phantom sounds activate vaster expanse of brain than normal noise does, study finds
![brain activity](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ls_tinnitus_free.jpg?fit=860%2C460&ssl=1)
GHOSTLY RINGING A phantom noise prompted widespread changes in brain activity (circles; colors represent different frequencies of nerve cell activity) in the left side of a man’s brain, including the primary auditory cortex. The black dots represent electrodes implanted in his brain.
W. Sedley et al/Current Biology 2015