Apraxia
Domain : Symptoms
Category : My daily life
Simplified definition
A condition in which a person cannot perform voluntary tasks and gestures, such as eating or holding objects, due to damage in parts of the brain that store memories of learned movements.
Source: Houria Aiouaz, for Alzheimer Foundation
Referenced definition
“A group of cognitive disorders characterized by the inability to perform previously learned skills that cannot be attributed to deficits of motor or sensory function.”
Source: Adams RD, Victor M, Ropper AH et al. Principles of Neurology. Mcgraw-Hill, 1997. 1618.
Context
“Most reports of patients with apraxia also describe coexisting aphasias or involve additional apraxias with affected speech, usually in the setting of neurodegenerative diseases such as corticobasal degeneration, Alzheimer’s disease, [sic] or frontotemporal dementia.”
Source: Fernandez YM, Frucht SJ. Primary progressive apraxia: an unusual ideomotor syndrome. Journal of Clinical Movement Disorders. 2017.
Note
- This term refers to several types of apraxia, such as ideomotor apraxia, conceptual apraxia, constructional apraxia, verbal apraxia, or ideational apraxia.