A neurologic deficit is a functional abnormality of a body area due to a decrease in the function of the brain, spinal cord, muscles, or nerves.
Examples include inability to speak, decreased sensation, loss of balance, weakness, mental function problems, visual changes, abnormal reflexes, and walking problems.
See also: Focal neurologic deficits
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Review Date: 3/2/2009
Review By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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