Cognitive Neurology Glossary

A compulsive urge to write extensively, often with repetitive or obsessive content and poor quality control.

Impaired ability to perform complex, sequential motor tasks due to loss of the overall plan or concept of the action.

Relating to the translation of ideas into motor actions, often used in apraxia contexts.

Inability to perform learned skilled movements on command despite understanding the request.

Fluent but meaningless speech production with preserved prosody and grammar.

Chronic memory disorder characterized by severe anterograde amnesia and confabulation, typically resulting from thiamine...

Abnormal protein deposits containing alpha-synuclein found in neurons, characteristic of Lewy body dementia and Parkinso...

Involuntary repetition of the final syllable or word in speech, often seen in neurological conditions.

Reduced verbal output with preserved comprehension, characteristic of certain language disorders.

The awareness and understanding of one's own thought processes and cognitive abilities.

A clinical syndrome of cognitive decline greater than expected for age but not severe enough to meet dementia criteria.

Production of reversed script that appears normal when viewed in a mirror, often seen in children and certain neurologic...

Standardized cognitive screening tool assessing orientation, memory, attention, and language.

Montreal Cognitive Assessment, a brief screening tool for detecting mild cognitive impairment and dementia.

Sudden, brief, involuntary muscle jerks or contractions that can be focal or generalized, arising from various levels of...

Failure to attend to stimuli in the contralesional space despite intact sensory and motor function.

The quantitative measurement of cognitive function using standardized neuropsychological tests.

Difficulty with visually guided reaching and grasping movements, typically affecting the hand contralateral to a posteri...

Behavioral disorder following orbitofrontal cortex damage, featuring disinhibition and poor judgment.

The involuntary repetition of one's own words or phrases, often with increasing speed and decreasing volume.

The persistent repetition or echoing of sounds after the original auditory stimulus has ended.

Visual perceptual disorder characterized by persistence or recurrence of visual images after the stimulus has been remov...

Unintended word or sound substitutions in speech production characteristic of aphasia.

Abnormal muscle resistance that varies unpredictably during passive movement examination.