Neurology (from Greek ne_ron, neuron, "nerve" + the suffix -logia, '-logia', "study of") is a medical specialty dealing with disorders of the nervous system. To be specific, it deals with the diagnosis and treatment of all categories of disease involving the central, peripheral, and autonomic nervous systems, including their coverings, blood vessels, and all effector tissue, such as muscle. The corresponding surgical specialty is neurosurgery. A neurologist is a physician specializing in neurology and trained to investigate, or diagnose and treat neurological disorders. Neurologists may also be involved in clinical research, and clinical trials, as well as basic research and translational research. Neurology, being a branch of medicine, differs from neuroscience, which is the scientific study of the nervous system in all its aspects. A large number of neurological disorders have been described.
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