Pediatric Neurology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
SUDEP SUDEP
Sudden unexpected death in epilepsy, referring to the sudden death of someone with epilepsy who was otherwise healthy.
hypoxic-ischemic encephalopathy
Brain injury in newborns caused by insufficient oxygen delivery and blood flow to the brain during the perinatal period.
hypsarrhythmia
A chaotic, high-voltage EEG pattern characterized by irregular spike-wave activity, typically seen in infantile spasms.
ICP monitor
Intracranial pressure monitor, a device used to measure pressure within the skull in critically ill patients.
ictal
Relating to or occurring during a seizure episode.
infantile spasms
A specific type of epileptic seizure characterized by brief, symmetric contractions of neck, trunk, and extremities in i...
interictal
The period between seizures when brain activity appears normal on EEG monitoring.
intraoperative neurophysiological monitoring
Real-time monitoring of nervous system function during surgical procedures to prevent neurological injury.
ketogenic diet
A high-fat, low-carbohydrate medical diet used to treat drug-resistant epilepsy in children by inducing ketosis.
Landau-Kleffner syndrome
An epileptic encephalopathy characterized by acquired aphasia and epileptiform EEG abnormalities, typically occurring in...
Lennox-Gastaut syndrome
A severe childhood epilepsy syndrome characterized by multiple seizure types, slow spike-and-wave EEG pattern, and intel...
lissencephaly
A rare brain malformation characterized by absent or reduced brain folds (gyri), resulting in a smooth brain surface.
lumbar puncture
Diagnostic procedure involving insertion of a needle into the subarachnoid space to obtain cerebrospinal fluid for analy...
macrocephaly
Abnormally large head circumference, typically defined as greater than two standard deviations above the mean for age an...
magnetoencephalography
Advanced neuroimaging technique that measures magnetic fields produced by electrical activity in the brain.
microcephaly
A neurodevelopmental condition characterized by a significantly smaller than normal head circumference, typically more t...
modified Rankin scale
Standardized scale used to measure degree of disability or dependence after neurological injury.
moyamoya disease
A progressive cerebrovascular disorder characterized by narrowing of major brain arteries and formation of abnormal coll...
myoclonic-atonic seizure
A type of generalized seizure characterized by a brief muscle contraction followed immediately by loss of muscle tone, c...
neonatal seizures
Seizures occurring in infants during the first 28 days of life, often presenting with subtle clinical manifestations.
neural tube defect
Congenital malformation resulting from incomplete closure of the neural tube during early embryonic development.
neuroblastoma
A malignant tumor arising from immature nerve cells of the sympathetic nervous system, most commonly occurring in infant...
neurocutaneous syndrome
A group of genetic disorders characterized by abnormalities affecting both the nervous system and skin, often with tumor...
NMDA receptor encephalitis
An autoimmune encephalitis caused by antibodies against NMDA receptors, presenting with psychiatric symptoms, seizures,...
NORSE
A critical condition of new-onset status epilepticus without clear acute cause, resistant to standard treatments.