Biological basis of child health 4: an overview of the central nervous system and principles of neurological assessment.

This article is the fourth in a series on the biological basis of child health. It explains the embryological development of the nervous system and describes some of the anatomical and physiological features of the central nervous system, which is comprised of the brain and spinal cord. It also outlines the principles of neurological assessment in infants and children, before detailing the presentation and management of three conditions that can affect the central nervous system in this patient population - seizures, meningitis and raised intracranial pressure.