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Related to ideational apraxia: ideomotor apraxia, constructional apraxia
Etymology: Gk, idea, form, a + prassein, not to do
a condition in which the conceptual process is lost, often because of a lesion in the parietal lobe. The individual is unable to formulate a plan of movement and does not know the proper use of an object because of a lack of perception of its purpose. There is no loss of motor movement or strength, but the reason for the movement is confused. Also called sensory apraxia. See also apraxia.
ideational apraxiaNeurology The inability to execute a sequence of movements in an orderly fashion; although individual components of the IA are executed, the entire act remains uncompleted–eg, a match may be removed from its cover but not struck
Misuse of objects due to inability to perceive their correct use. Synonym: sensory apraxia
See also: apraxia