Cognitive Neurology Glossary

Acquired inability to perform mathematical calculations despite previous competency.

Medications that block the enzyme acetylcholinesterase to increase acetylcholine levels in the brain, commonly prescribe...

Language disorder characterized by simplified syntax and omission of grammatical elements.

Acquired loss of writing ability despite intact motor function and comprehension.

Absence or severe reduction of voluntary movement, often seen in Parkinson's disease.

State of profound apathy and lack of spontaneous movement or speech, despite preserved consciousness and basic motor fun...

Loss of ability to read despite preserved visual acuity and general intellectual function.

Neurological disorder where one hand performs purposeful movements without conscious control or intention.

The theory that accumulation of amyloid beta protein is the primary pathological event driving Alzheimer's disease progr...

A neurological condition where patients lack awareness or deny their own cognitive or physical deficits.

Lack of awareness or denial of neurological deficits, particularly common after right hemisphere stroke.

Condition where patients with cortical blindness deny their visual loss and confabulate visual experiences.

Acquired language disorder affecting comprehension or production of speech following brain injury.

Inability to perform learned motor movements despite intact motor function and comprehension.

Inability to identify objects by touch despite intact basic tactile sensation.

A rare neuropsychological disorder affecting visual-spatial processing, characterized by simultanagnosia, optic ataxia,...

Slowness of voluntary movement, a cardinal feature of parkinsonism.

Delusion that familiar people have been replaced by identical imposters.

An extreme emotional or behavioral response to cognitive failure or frustration, commonly seen in patients with dementia...

Neuropsychological test measuring ability to generate words within a semantic category.

Clinical Dementia Rating scale used to stage dementia severity from normal aging to severe impairment.

Reading impairment due to damage to brain regions involved in visual word recognition, distinct from peripheral visual o...

A movement disorder characterized by lack of muscle coordination resulting from cerebellar dysfunction.

Impaired ability to control the range and direction of movement, resulting in overshooting or undershooting intended tar...