Clinical Research Directory

Inclusion Criteria: * Age 18-75 years. * Formally diagnosed with traumatic brain injury. * Ability to independently use a keyboard. * Able to understand and communicate in English (according to clinical judgment). * Able to independently provide consent to participate. Exclusion Criteria: * Acute medical issues requiring close physician or nursing monitoring. * Bioelectrical implants, cerebral shunts, including pacemakers. * Anyone with sore or diseased skin area in the ear * Pregnancy or persons who are lactating. * Cardiac arrhythmia. * Epilepsy or seizure disorders. * Significant gross or fine motor weakness. * Significant, ongoing communication or comprehension impairments (such as aphasia) that would affect an individual's ability to complete the required assessments. * Severely impaired memory retention (Score lower than 3 in the 3 Word Delayed Recall test attached to this submission). * Current major depression diagnosis.