Clinical Research in the Department of Neurology is designed to identify important patterns of brain function by studying patients with clinical disease and also studying healthy volunteers. The primary distinction between Clinical Research compared to Clinical Trials is that in Clinical Research, no treatment intervention is being formally investigated. Thus, rather than seeking to determine what is the best approach to managing and treat various neurologic diseases, Clinical Research addresses how neurologic diseases affect factors such language, memory, or mood, characterizes the effects of treatment that is being received as part of the normal standard of clinical care, or may simply study disease progression over time based. Many Clinical Research studies in the Department of Neurology involve imaging techniques such as MRI or PET. In addition, most patients being seen by Neurology faculty consent to allow their treatment records to be studied anonymously to uncover new patterns to improve clinical care.