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Adult Neurology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

ideomotor apraxia

Advanced Technical IVT

Inability to perform learned skilled movements on command despite understanding the task and having intact motor function.

Showing 49–72 of 100

hemiparesis

Intermediate Technical IVT

Weakness affecting one side of the body, typically resulting from stroke or brain injury.

Technical Term Full entry →

hydrocephalus

Intermediate Technical IVT

Abnormal accumulation of cerebrospinal fluid within the brain's ventricular system causing increased intracranial pressu...

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hypervigilance

Intermediate Technical IVT

State of abnormally heightened alertness and sensitivity to environmental stimuli, often seen in delirium or anxiety dis...

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ictal

Intermediate Technical IVT

Relating to or occurring during an epileptic seizure episode.

Technical Term Full entry →

ideational apraxia

Professional Technical IVT

Inability to carry out complex, sequential motor tasks due to impaired understanding of tool use and action sequences.

Technical Term Full entry →

ideomotor apraxia

Advanced Technical IVT

Inability to perform learned skilled movements on command despite understanding the task and having intact motor functio...

Technical Term Full entry →

interictal

Professional Technical IVT

Occurring between seizures, referring to the period when a patient with epilepsy is not experiencing ictal activity.

Technical Term Full entry →

internuclear ophthalmoplegia

Professional Technical IVT

A disorder of horizontal eye movements caused by lesions in the medial longitudinal fasciculus, resulting in impaired ad...

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intracranial pressure monitoring

Intermediate Technical IVT

Continuous measurement of pressure within the skull using invasive or non-invasive techniques.

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kinetic tremor

Intermediate Technical IVT

Involuntary rhythmic movements that occur during voluntary motor activity, including postural and intention tremors.

Technical Term Full entry →

Korsakoff syndrome

Intermediate Technical IVT

A chronic memory disorder caused by thiamine deficiency, characterized by severe anterograde amnesia and confabulation....

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leptomeningeal enhancement

Advanced Technical IVT

Abnormal contrast enhancement of the pia and arachnoid membranes visible on contrast-enhanced MRI.

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leukoaraiosis

Professional Technical IVT

White matter changes on neuroimaging, typically representing small vessel disease or chronic ischaemia.

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Lewy body

Advanced Technical IVT

Abnormal protein aggregates found in neurons, characteristic of Parkinson's disease and related disorders.

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lumbar puncture

Intermediate Technical IVT

Diagnostic procedure involving needle insertion into the spinal canal to collect cerebrospinal fluid.

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magnetoencephalography

Advanced Technical IVT

Non-invasive neuroimaging technique measuring magnetic fields produced by electrical activity in the brain, offering hig...

MEG
Technical Term Full entry →

meningioma

Professional Technical IVT

Usually benign brain tumour arising from the meninges, most commonly attached to the dura mater.

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myasthenia gravis

Intermediate Technical IVT

Autoimmune neuromuscular disorder causing fluctuating weakness due to acetylcholine receptor antibodies.

MG
Technical Term Full entry →

myoclonus

Professional Technical IVT

Sudden, brief, involuntary muscle jerks that can occur in various neurological conditions.

Technical Term Full entry →

neurocysticercosis

Professional Technical IVT

Central nervous system infection caused by larval stage of the pork tapeworm Taenia solium.

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neurofibromatosis

Intermediate Technical IVT

A group of genetic disorders causing tumors to grow along nerves and affecting skin pigmentation. The most common types...

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neuroplasticity

Intermediate Technical IVT

The brain's ability to reorganize and form new neural connections throughout life, particularly important in recovery fr...

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normal pressure hydrocephalus

Advanced Technical IVT

A form of hydrocephalus with enlarged ventricles but normal or mildly elevated cerebrospinal fluid pressure.

NPH
Technical Term Full entry →

nystagmus

Professional Technical IVT

Involuntary rhythmic eye movements that can indicate vestibular, cerebellar, or brainstem dysfunction.

Technical Term Full entry →
Showing 49–72 of 100

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