Neurosurgery is the surgery of the nervous system, which includes the brain, spinal cord and peripheral nerves and the supporting structures, the skull and spinal column.
Neurosurgeons undergo a rigorous training program, known as a residency, consisting of 5-6 years of postgraduate study in neurosurgery, following a mandatory 1-yr surgery internship. After completing this residency training, some neurosurgeons undertake advanced subspecialty training in programs known as fellowships which are typically 1-2 years in duration. Because of this demanding training process Neurosurgery is often viewed as one of the most prestigious fields in medicine.