Neonatal Neurology is a branch of medicine, which deals with the diagnosis and treatment of high-risk neurological conditions and disease in newborn infants. It comprises of all the neonatal diseases, such as Seizure, Autism Spectrum Disorder and Hypotonia. The doctor who give therapeutic treatment to the infants with neurological disorders, which affect the brain, spinal cord, and nerves, is Neurologist. Magnetic resonance spectroscopy (MRS) is a diagnostic tool used for inherited metabolic disorders. Psychiatry relating mental or emotional disturbance to disordered brain function of infants and adults is Neuropsychiatry.