Neurology is a medical specialty that deals with the disorders of nervous system. The diseases involving central, peripheral and autonomic nervous system are diagnosed and treated in this category. Neurosurgery is the surgical specialty of this field. On the other hand, psychiatry is a medical specialty. Mental disorder, affective, behavioral, cognitive and perceptual abnormalities are treated in this.
The term psychiatry was discovered by a German physician in 1808. A psychiatrist is a person who is specialized in this field.