24 February 2009
"...For a long time it was assumed that the cause of tinnitus lay in the auditory organ itself. However, it is now clear that the brain is responsible: overactive parts of the brain in the auditory region emit continuous signals that are the cause of the ‘phantom noise’. This over-activity is usually the result of hearing loss. However, noise (buzzing in the ears after visiting a concert or discotheque), an infection or an operation on the ear, or a jaw or neck problem can also cause the symptoms..."