| 释义 |
DictionarySeeapraxiaEncyclopediaSeeApraxiasensory apraxia
apraxia [ah-prak´se-ah] 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.apraxia of speech a speech disorder similar to aphasia" >motor aphasia, due to apraxia of mouth and neck muscles because of a lesion interfering with coordination of impulses from Broca's motor speech area. Called also aphemia.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), adjectiveakinetic apraxiaInability to carry out spontaneous movements. amnesic apraxiaInability to produce a movement on command because the command is forgotten, although the ability to perform the movement is present.buccofacial apraxiaInability to use the muscles of the face or mouth (e.g., to whistle a tune or suck liquids through a straw). constructional apraxiaInability to draw or construct two- or three-dimensional forms or figures and impairment in the ability to integrate perception into kinesthetic images.developmental apraxiaA disorder of motor planning and execution occurring in developing children; thought to be due to central nervous system immaturity.dressing apraxiaInability to dress due to patient's deficient knowledge of the spatial relations of his or her body.ideational apraxiaMisuse of objects due to inability to perceive their correct use. Synonym: sensory apraxialimb apraxiaInability 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. motor apraxiaInability to perform movements necessary to use objects properly, although the names and purposes of the objects are known and understood.sensory apraxiaIdeational apraxia.verbal apraxiaThe inability to form words or speak, despite the ability to use oral and facial muscles to make sounds. visual-constructional apraxiaThe 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. |