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Reviewing the limb apraxia concept: From definition to cognitive neuropsychological models

Revisando o conceito da apraxia de membros: da definição aos modelos da neuropsicologia cognitiva

Abstract

Apraxia is a disorder of learned skilled movements, in the absence of elementary motor or sensory deficits and general cognitive impairment such as inattention to commands, object-recognition deficits or poor oral comprehension. The first studies on apraxia were performed between the late 19th and early 20th centuries, however controversy remains in praxis literature concerning apraxia types, neuroanatomical and functional correlates, as well as assessment and treatment of apraxia. Thus, a critical review of the literature was conducted searching the literature for evidence contributing to a more detailed description of apraxia and its clinical patterns, physiopathology and clinico-anatomical correlations, as well as apraxia assessment.

Key words:
apraxias; neuropsychology; apraxia; ideomotor

Resumo

A apraxia é um distúrbio da realização de gestos ou atos motores aprendidos sem que haja anormalidades em canais sensoriais aferentes ou motores eferentes, deterioração intelectual, nem alteração de atenção ou de compreensão dos comandos verbais. Os estudos sobre a apraxia iniciaram-se entre o fim do século XIX e início do século XX, no entanto, a literatura ainda apresenta controvérsias no que se refere à classificação desse quadro, seus substratos neuroanatômicos e funcionais, bem como suas formas de avaliação e tratamento. Assim, o presente estudo realizou uma revisão crítica da literatura visando buscar evidências científicas que contribuam para melhor delinear a apraxia e suas formas de manifestação clínica, sua fisiopatologia e as correlações anátomofisiológicas, bem como suas formas de avaliação.

Palavras-chave:
apraxias; neuropsicologia; apraxia ideomotora

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Publication Dates

  • Publication in this collection
    Jul-Sep 2010

History

  • Received
    15 Nov 2009
  • Accepted
    12 Mar 2010
Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento R. Vergueiro, 1353 sl.1404 - Ed. Top Towers Offices, Torre Norte, São Paulo, SP, Brazil, CEP 04101-000, Tel.: +55 11 5084-9463 | +55 11 5083-3876 - São Paulo - SP - Brazil
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