The inability to execute a voluntary motor movement despite being able to demonstrate normal muscle function. Apraxia is not related to a lack of understanding or to any kind of physical paralysis but is caused by a problem in the cortex of the brain.
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1. A disorder of voluntary movement, consisting of impairment in the performance of skilled or purposeful movements, notwithstanding the preservation of comprehension, muscular power, sensibility, and coordination in general; due to acquired cerebral disease. 2. A psychomotor defect in which the proper use of an object can not be carried out although the object can be named and its uses described. [G. a- priv. + pratto, to do]
- constructional a. a. manifested as an impairment in activity such as building, assembling, and drawings; caused by parietal lobe lesions. SYN: apractagnosia.
- cortical a. SYN: motor a..
- gait a. a. for walking, accompanied by inability to make walking movements with the legs.
- ideokinetic a., ideomotor a. a form of a. in which simple acts are incapable of being performed, presumably because the connections between the cortical centers that control volition and the motor cortex are interrupted. SYN: transcortical a..
- innervation a. SYN: motor a..
- limb-kinetic a. SYN: motor a..
- motor a. an inability to make movements or to use objects for the purpose intended. SYN: cortical a., innervation a., limb-kinetic a..
- ocular motor a. a congenital inability to initiate horizontal saccades. Children with this condition often use head thrusts to move their eyes to the left and right.
- verbal a. a speech disorder in which phonemic substitutions are constantly used for the desired syllable or word.

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aprax·ia (')ā-'prak-sē-ə n loss or impairment of the ability to execute complex coordinated movements without muscular or sensory impairment compare EUPRAXIA
aprac·tic -'prak-tik or aprax·ic -'prak-sik adj

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an inability to make skilled movements with accuracy. This is a disorder of the cerebral cortex resulting in the patient's inability to organize the movements rather than clumsiness due to weakness, sensory loss, or disease of the cerebellum. It is most often caused by disease of the parietal lobe of the brain and sometimes by disease of the frontal lobes.

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aprax·ia (ə-prakґse-ə) [Gr. “a not acting,” “want of success”] loss of ability to carry out familiar, purposeful movements in the absence of paralysis or other motor or sensory impairment. Cf. dyspraxia. apractic apraxic adj

Medical dictionary. 2011.

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  • Apraxia — Classification and external resources ICD 10 R48.2 ICD 9 438.81 …   Wikipedia

  • Apraxia — Saltar a navegación, búsqueda Apraxia Clasificación y recursos externos Aviso médico …   Wikipedia Español

  • apraxia — f. neurol. Pérdida de la capacidad del uso o manipulación de los objetos habituales, como peinarse, coger una escoba, vestirse, etc. El origen de la apraxia es una lesión de la corteza cerebral sin que concursen trastornos sensitivos o motores… …   Diccionario médico

  • apraxia — n. 1. inability to make purposeful movements, but without paralysis or loss of sensory function. [WordNet 1.5 +PJC] …   The Collaborative International Dictionary of English

  • Apraxia — est un groupe de National socialist black metal biélorusse fondé en 1995 par Nécromaniac. Le groupe a créé plusieurs albums avant de changer de nom, se nommant aujourd hui Molot. Mais ce nouveau groupe fait un bide comparé au succès d Apraxia… …   Wikipédia en Français

  • apraxia — (n.) 1877, medical Latin, from Ger. apraxie (H. Steinthal, 1871), from Gk. apraxia inaction, from privative prefix a (see A (Cf. a ) (3)) + praxis a doing, action, business (see PRAXIS (Cf. praxis)) …   Etymology dictionary

  • apraxia — |cs| s. f. [Medicina] Incapacidade para executar normalmente movimentos coordenados (ex.: apraxia ideomotora). ≠ PRAXIA   ‣ Etimologia: grego apraksía, as, não ação, ócio …   Dicionário da Língua Portuguesa

  • apraxia — (Del gr. ἀπραξία, inacción, inercia). f. Psicol. Incapacidad total o parcial de realizar movimientos voluntarios sin causa orgánica que lo impida …   Diccionario de la lengua española

  • apraxia — [ā prak′sē ə, əprak′sē ə] n. [ModL < Gr, inaction: see A 2 & PRAXIS] complete or partial loss of the ability to perform complex muscular movements, resulting from damage to certain areas of the brain without any paralysis or damage to normal… …   English World dictionary

  • Apraxia — У этого термина существуют и другие значения, см. Apraxia (значения). Apraxia Жанр Фолк метал Языческий метал NSBM Годы 1995 …   Википедия

  • apraxia — apractic /euh prak tik, ay prak /, apraxic, adj. /euh prak see euh, ay prak /, n. Pathol. a disorder of the nervous system, characterized by an inability to perform purposeful movements, but not accompanied by a loss of sensory function or… …   Universalium

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