ideational apraxia

apraxia /aprax·ia/ (ah-prak´se-ah) loss of ability to carry out familiar purposeful movements in the absence of motor or sensory impairment, especially inability to use objects correctly.

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amnestic apraxia  loss of ability to carry out a movement on command due to inability to remember the command.

Bruns' apraxia of gait  Bruns' frontal ataxia.

Cogan's oculomotor apraxia , congenital oculomotor apraxia an absence or defect of horizontal eye movements so that the head must turn and the eyes exhibit nystagmus in attempts to see an object off to one side.

ideational apraxia  sensory a.

innervatory apraxia , motor apraxia impairment of skilled movements not explained by weakness of the affected parts, the patient appearing clumsy rather than weak.

sensory apraxia  loss of ability to use an object due to lack of perception of its purpose.

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ideational apraxia or i·de·a·to·ry apraxia (d--tôr)

n.

A form of apraxia characterized by the inability to use an object properly due to impairment in the perception of its function or purpose.

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ideational apraxia

[ī′dē·ā′shənəl]

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.

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ideational apraxia

Neurology 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