Adult Neurology Glossary

An abnormal body posture involving rigid extension of arms and legs, indicating severe brain stem damage.

An abnormal body posture with arms flexed inward and legs extended, indicating cerebral cortex damage.

A neurosurgical procedure using implanted electrodes to deliver electrical stimulation to specific brain regions.

An advanced MRI technique that maps white matter tracts by measuring water molecule movement in brain tissue.

Double vision resulting from misalignment of the eyes or disruption of normal binocular vision.

Motor speech disorder affecting articulation due to weakness or incoordination of speech muscles.

Constellation of cognitive and behavioral deficits resulting from frontal lobe dysfunction, affecting planning, problem-...

Impaired ability to control the distance, power, and speed of muscular action, resulting in overshoot or undershoot of i...

Partial loss of language ability affecting comprehension, expression, or both following brain injury.

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

Recording of electrical activity in the brain used to diagnose seizure disorders and other neurological conditions.

Inflammation of brain tissue, typically caused by viral infections, autoimmune processes, or other inflammatory conditio...

Movement-related side effects of medications, typically antipsychotics, affecting the extrapyramidal motor system.

Involuntary muscle twitching visible under the skin, often indicating lower motor neuron disease.

MRI technique that suppresses cerebrospinal fluid signal to enhance visualization of periventricular lesions.

Inability to walk normally despite preserved strength and coordination, characterized by difficulty initiating and maint...

Aggressive primary brain tumor arising from glial cells, representing the most malignant form of glioma.

Primary brain tumour arising from glial cells, classified by grade and histological subtype.

The proliferation and activation of glial cells in response to central nervous system injury or disease.

The ability to recognize letters, numbers, or shapes traced on the skin, typically tested on the palm or fingertips.

An acute autoimmune polyneuropathy causing rapidly progressive weakness and sensory loss, often following infection. Cha...

Loss of sensation affecting one half of the body, typically resulting from central nervous system lesions.

Loss of vision in half of the visual field, typically indicating damage to the optic pathways posterior to the optic chi...

Loss of coordination affecting one side of the body, typically indicating a cerebellar or brainstem lesion. Distinguishe...