Full Definition of MACHIAVELLIAN. 1. : of or relating to Machiavelli or Machiavellianism. 2. : suggesting the principles of conduct laid down by Machiavelli; specifically: marked by cunning, duplicity, or bad faith.
Sleep medicine is a subspecialty field in the US under several medical specialties including anesthesiology, internal medicine, family medicine, and neurology. Neurosurgery is a distinct specialty that involves a different training path, and emphasizes the surgical treatment of neurological disorders.
Neurology is the branch of medicine that specializes in the treatment of disorders of the nervous system, including the brain, spinal cord, and nerves. The healthcare provider who specializes in neurology is called a neurologist. After completing medical school, healthcare providers specializing in adult neurology complete one year of residency in internal medicine and at least three years of neurology residency.