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loss of ability to carry out familiar purposeful movements in the absence of sensory or motor impairment, especially impairment of the ability to use objects correctly.
amnestic apraxia loss of ability to carry out a movement on command due to inability to remember the command.
apraxia of gait a common disorder of the elderly in which the patient walks with a broad-based gait, taking short steps and placing the feet flat on the ground.
motor apraxia impairment of skilled movements that is not explained by weakness of the affected parts; the patient appears clumsy rather than weak.
sensory apraxia loss of ability to make proper use of an object due to lack of perception of its purpose.
See ideational apraxia.
apraxia(a-prak'se-a) [ ¹an- + -praxis + -ia]
1. Inability to perform purposive movements although there is no sensory or motor impairment.
2. Inability to use objects properly. apractic (-prak'tik), adjectiveapraxic (prak'sik), adjective
Inability to carry out spontaneous movements.
Inability to produce a movement on command because the command is forgotten, although the ability to perform the movement is present.
Inability to use the muscles of the face or mouth (e.g., to whistle a tune or suck liquids through a straw).
Inability to draw or construct two- or three-dimensional forms or figures and impairment in the ability to integrate perception into kinesthetic images.
A disorder of motor planning and execution occurring in developing children; thought to be due to central nervous system immaturity.
Inability to dress due to patient's deficient knowledge of the spatial relations of his or her body.
Misuse of objects due to inability to perceive their correct use. Synonym: sensory apraxia
Inability to use the arms or legs to perform previously learned movements, such as combing one's hair or kicking a ball, despite having normal muscle strength in those body parts.
Inability to perform movements necessary to use objects properly, although the names and purposes of the objects are known and understood.
sensory apraxiaIdeational apraxia.
The inability to form words or speak, despite the ability to use oral and facial muscles to make sounds.
The inability to assemble or draw an object after seeing its image or a model of it. This form of apraxia is commonly seen in patients with brain injuries or dementias with parietal lobe lesions.