Adult Neurology Glossary

Marked reduction in spontaneous speech, movement, and initiative, often seen in frontal lobe lesions.

Inability to recognise objects, people, or sounds despite intact sensory function.

A movement disorder characterized by subjective feelings of restlessness accompanied by an urge to move constantly.

Complete loss of voluntary movement, distinguished from bradykinesia by the absence rather than slowness of motion.

A neurological syndrome characterized by profound apathy and lack of voluntary movement or speech despite preserved cons...

A movement disorder characterized by both severe reduction of movement (akinesia) and muscle stiffness (rigidity). Most...

Acquired reading disorder resulting from brain injury, distinct from developmental dyslexia.

Unequal pupil sizes, which may indicate neurological pathology or be a benign variant.

Denial or lack of awareness of neurological deficits, typically following right hemisphere stroke.

A state of apparent wakefulness without awareness, also known as persistent vegetative state. Patients show sleep-wake c...

Language disorder affecting speech, writing, or comprehension following brain injury, commonly documented in stroke asse...

A benign fluid-filled sac that develops between the arachnoid membrane and the brain or spinal cord.

The inability to recognize objects through touch alone despite intact basic tactile sensation.

Brief, irregular lapses of sustained muscle contraction, classically seen as a flapping tremor when arms are extended.

Loss of coordination and balance due to dysfunction of the cerebellum or its connections.

An abnormal plantar reflex indicating upper motor neuron dysfunction, characterized by dorsiflexion of the great toe.

Slowness of movement characteristic of Parkinson's disease and other movement disorders.

Narrowing of the carotid arteries supplying blood to the brain, a major risk factor for stroke. Severity is typically qu...

Sudden, brief episodes of muscle weakness or paralysis triggered by strong emotions, pathognomonic of narcolepsy type 1....

Involuntary, irregular, flowing movements that appear to dance from one body part to another.

Inability to copy or construct geometric designs and spatial configurations despite intact vision and motor function. In...

A surgical procedure involving division of the corpus callosum to treat intractable epilepsy.

Abnormal increase in white blood cells in cerebrospinal fluid, indicating inflammation or infection.

A specialized nuclear medicine imaging study using dopamine transporter SPECT to evaluate the integrity of dopaminergic...