Constant tinnitus is linked to altered brain activity
There has to date been no reliable objective method of diagnosing tinnitus. Researchers from Karolinska Institutet in Sweden now show that brainstem audiometry can be used to measure changes in the brain in people with constant tinnitus. The study has been published in The Journal of Clinical Investigation.Tinnitus is currently not classified as a distinct disorder, but as a symptom with many possible causes, such as impaired hearing, noise, disease or stress. Tinnitus is often described as a phantom sound that is only audible to the sufferer. Today, some 20 per cent of the Swedish