Clinical Neurology Glossary

A benign peripheral nerve sheath tumor composed of Schwann cells, fibroblasts, and other cell types that can occur spora...

Involuntary rhythmic oscillation of the eyes, indicating vestibular or neurological dysfunction.

A type of primary brain tumor arising from oligodendrocytes, often characterized by calcifications and better prognosis...

Speech disorder characterized by involuntary repetition of words or phrases with increasing rapidity and decreasing inte...

Swelling of the optic nerve head visible on fundoscopy, typically indicating elevated intracranial pressure.

A progressive neurodegenerative disorder affecting movement, characterized by tremor, rigidity, and bradykinesia.

An outdated term for absence seizures, characterized by brief episodes of impaired consciousness without convulsive move...

Speech error involving substitution, addition, or rearrangement of speech sounds within words, typical of Broca's aphasi...

Occurring after a seizure, describing the period of altered consciousness or neurological dysfunction following the icta...

Occurring before a seizure, describing the period of premonitory symptoms or EEG changes preceding the ictal event.

Body's sense of position and movement in space without visual input, mediated by receptors in muscles, joints, and tendo...

An upper motor neuron syndrome affecting speech, swallowing, and facial movements due to bilateral corticobulbar tract d...

Non-epileptic event that resembles an epileptic seizure but lacks the electrical brain activity characteristic of true s...

Neurological test finding indicating loss of proprioceptive function, demonstrated by increased swaying when standing wi...

The clinical signs and symptoms observed during seizures, used for epilepsy classification and localization.

A velocity-dependent increase in muscle tone with exaggerated tendon reflexes, resulting from upper motor neuron lesions...

A neurological emergency involving prolonged or repeated seizures without return to normal consciousness between episode...

A minimally invasive neurosurgical procedure using image-guided targeting to obtain tissue samples from brain lesions fo...

A non-invasive neurosurgical technique that delivers precisely targeted high-dose radiation to treat brain tumors and va...

A neurosurgical technique using three-dimensional coordinate systems to precisely locate targets within the brain.

Bleeding into the space between the brain and the thin tissues covering it, often caused by ruptured cerebral aneurysms.

Sudden unexpected death in epilepsy; the sudden death of a person with epilepsy who was previously in their usual state...

Temporary weakness or paralysis following a seizure, typically resolving within 24-48 hours.

A non-invasive neurostimulation technique using magnetic fields to stimulate specific brain regions for therapeutic or r...