Neuroscience Glossary

Inability to initiate voluntary eye movements on command despite intact reflexive eye movements.

A type of brain tumor arising from oligodendrocytes, cells that produce myelin in the central nervous system.

Inability to accurately reach for visually guided targets despite normal vision and motor function.

Persistence or recurrence of visual images after the stimulus has been removed from view.

Swelling of the optic disc caused by increased intracranial pressure.

The area of brain tissue surrounding an ischemic core that remains viable but at risk following stroke.

White matter brain injury in premature infants characterized by necrosis around the ventricles. Often abbreviated as PVL...

Outdated term for absence seizures, characterized by brief episodes of impaired consciousness.

Inability to recognize familiar voices despite normal hearing, indicating right hemisphere damage.

A type of speech error involving substitution of incorrect sounds or syllables within words due to language processing d...

The recovery period immediately following a seizure, characterized by confusion and altered consciousness.

The sense of body position and movement in space, often impaired in neurological conditions.

A neurological condition characterized by inability to recognize faces, including familiar individuals, despite normal v...

Upper motor neuron dysfunction affecting cranial nerves controlling speech, swallowing, and facial expression.

Delusion that familiar places have been duplicated and exist in multiple locations simultaneously.

Inability to perceive multiple objects simultaneously, seeing only one object at a time despite normal vision.

Abnormal drowsiness or excessive sleepiness that may indicate neurological dysfunction.

Single photon emission computed tomography, a nuclear imaging technique used to assess brain function and blood flow.

Prolonged seizure activity lasting more than five minutes or recurrent seizures without return to baseline.

The ability to identify objects through touch without visual input, testing parietal lobe function.

A surgical technique using three-dimensional coordinate systems to precisely locate and target specific brain structures...

Precisely targeted high-dose radiation therapy using stereotactic guidance for brain lesions.

Microtubule-associated protein that forms pathological aggregates in neurodegenerative diseases.

Type of generalized seizure characterized by muscle stiffening followed by rhythmic jerking movements.