Yale Medicine’s Section of Neuroradiology is one of the largest in the country. Neuroradiology is a field that has progressed tremendously in recent years. Our advanced imaging techniques, especially in MRI and CT, have shown vast new ways of understanding, evaluating and diagnosing diseases of the central nervous system. This is reflected in the popular press with the recent concerns over brain trauma in football players and the military. There have also been great strides in other diseases ranging from tumors to MS to strokes. Our new imaging techniques allow for great insight into many new areas of pathology. They allow us to learn far more about diseases about which we are already very knowledgeable, such as tumors and demyelinating diseases. They also enable us to make great strides in understanding diseases that have been difficult to understand, particularly such neurodegenerative diseases as Alzheimer’s and Parkinson’s disease, and neuropsychiatric disorders.