Child Neurology Glossary

A standardized measure expressing a child's developmental level as a percentage of chronological age.

Severe epileptic encephalopathy beginning in infancy, often associated with SCN1A mutations.

A movement disorder characterized by involuntary muscle contractions causing twisting movements and abnormal postures.

Continuous electroencephalographic monitoring using wireless transmission technology to record brain electrical activity...

A distinct epilepsy syndrome characterized by specific clinical features combined with characteristic EEG patterns.

A test that records electrical activity in the brain using electrodes placed on the scalp.

Inflammation of the brain tissue, usually caused by viral infection but potentially due to bacterial, autoimmune, or oth...

A condition where epileptic activity contributes to progressive cognitive and behavioral deterioration beyond what would...

Abnormal electrical activity on EEG characterized by sharp, spike-like waveforms that may indicate epileptic tendency.

The biological process by which normal brain tissue develops the capacity to generate spontaneous seizures.

A seizure that occurs in children aged 6 months to 5 years in association with fever but without evidence of intracrania...

Febrile infection-related epilepsy syndrome, a devastating condition where previously healthy children develop refractor...

Localized brain malformation causing abnormal cortical architecture and often epilepsy.

A seizure that begins in a specific area of the brain and may remain localized or spread to other regions.

Relating to pathological laughter, particularly describing seizures characterized by inappropriate laughing spells.

Seizures characterized by inappropriate laughter or giggling, often associated with hypothalamic hamartomas.

A seizure type involving initial muscle stiffening (tonic phase) followed by rhythmic jerking (clonic phase) affecting t...

Delayed development of large muscle movements and coordination skills such as sitting, walking, or running beyond expect...

Congenital malformation involving overgrowth of one cerebral hemisphere.

Surgical removal or disconnection of one cerebral hemisphere for treatment of refractory epilepsy.

Scarring and cell loss in the hippocampus, commonly associated with temporal lobe epilepsy in children and adults.

A condition characterized by an abnormal accumulation of cerebrospinal fluid within the brain's ventricular system.

A benign brain lesion in the hypothalamus that commonly causes gelastic seizures and precocious puberty in children.

Decreased muscle tone or tension, often described as 'floppiness' in infants and children.