Clinical Research Directory

Inclusion criteria: * diagnosis of bothersome, subjective chronic tinnitus * diagnosis: duration of tinnitus more than 6 months Exclusion criteria: * objective tinnitus * irregular head shap below the electrodes * eczema on the head * treatable cause of the tinnitus * involvement in other treatments for tinnitus at the same time * clinically relevant psychiatric comorbidity * clinically relevant unstable internal or neurological comorbidity * history of or evidence of significant brain malformation or neoplasm, head injury * cerebral vascular events * neurodegenerative disorder affecting the brain or prior brain surgery * metal objects in and around body that can not be removed * pregnancy * alcohol or drug abuse