Cognitive Training for Firefighters With Tinnitus

Inclusion Criteria: * Able to give informed consent * Men and women between the ages of 20 and 65 years * Must be able to read, write, and understand English * Subjective, unilateral or bilateral, non-pulsatile tinnitus of 6 month's duration or greater * Score of 3, 4, or 5 on the Global Bothersome scale * Have access to uninterrupted use of computer in quiet setting for minimum of 1 hour per day/5 days per week for 2 months. * Be willing to be randomized to either arm of the study. Exclusion Criteria: * Currently taking medication for depression, anxiety, or other DSM IV Axis 1 disorder * History of head trauma sufficient to cause loss of consciousness for ≥30 minutes * History of surgery to the brain * History of claustrophobia, which will prevent subject from completing MRI * Presence of metallic implants in the head and upper cervical region that are non-MRI compatible and would prohibit use of MRI * Patients with cardiac pacemakers, intracardiac lines, implanted medication pumps, implanted electrodes in the brain, or any other contraindication for MRI scan * Currently pregnant * Patients with an acute or chronic unstable medical condition, which, in the opinion of the investigator, would prevent them from successfully participating in the study * Patients with any active ear disease, which, in the opinion of the PI, needs to be further evaluated * Patients with symptoms of depression as evidenced by a score of 15 or greater on the PHQ-9 * Any psychiatric co-morbidity that may complicate the interpretation of study results * History of seizure disorder or any other neurological condition * Weight over 350 pounds * Inability to lay flat for 2 hours * Active alcohol and/or drug dependence or history of alcohol and/or drug dependence within the last year * Any medical condition, which, in the opinion of the PI, confounds study results or places the subject at greater risk * Prior use of Posit Science Brain Fitness Program, or any other cognitive training program (regular or tinnitus) in the past year * Patients with hyperacusis (hyper-sensitivity to noises) or misophonia (abnormally strong reactions of the autonomic and limbic systems to sound) * Tinnitus related to cochlear implantation, retrocochlear lesion, Meniere's Disease, or other known anatomic lesions of the ear or temporal bone * Tinnitus related to a Workman's Compensation claim or litigation-related event that is still pending. * History of irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, or other illnesses or disorders that falls into the category of functional somatic syndromes.(Barsky and Borus 1999)