A disease in which the functioning of the brain is affected by some agent or condition (such as viral infection or toxins in the blood)
A neurological disorder caused by thiamine deficiency, typically from chronic alcoholism or persistent vomiting, and marked by mental confusion, abnormal eye movements, and unsteady gait
clinical term for chronic fatigue syndrome.
Bovine spongiform encephalopathy, a usually fatal disease of cattle affecting the central nervous system, causing agitation and staggering. It is thought to be caused by an agent such as a prion or a virino, and its possible connection with Creutzfeldt-Jakob disease in humans is still much debated