Affiliation:
1. Neurology & Neurorehabilitation Center, Department of Internal Medicine, Luzerner Kantonsspital & Department of Clinical Research, University of Bern, 6000 Luzern 16, Switzerland.
2. Laboratoire d’Etude des Mécanismes Cognitifs (EA 3082), Université Lyon 2, Lyon, France
Abstract
SUMMARY Apraxia is a cognitive-motor disorder affecting gestural communication and tool use, and is seen in various neurodegenerative disorders. Apraxia is a major feature of the corticobasal syndrome associated with nonlevodopa-responsive, typically asymmetric parkinsonism. Mild apraxia may also be seen in Parkinson’s disease, at least in later stages of the disease. Furthermore, patients with Alzheimer’s disease or posterior cortical atrophy are prone to develop apraxia during their disease course. However, apraxia may be difficult to dissect from other motor (e.g., dystonia and bradykinesia in corticobasal syndrome) or cognitive (e.g., dysexecutive or semantic memory deficits in Alzheimer’s disease) dysfunction. Therefore, the ecological significance of apraxia in neurodegenerative disorders may not always be obvious. Although treatment protocols for apraxia have been developed in stroke, there is little information on the management of apraxia in neurodegenerative disorders. Owing to their progressive nature, benefits from therapeutic interventions are certainly limited, although some capacity of motor learning may be preserved, at least in earlier disease stages. In advanced cases, management of apraxia should focus on compensatory measures, for instance, on adapting the patient’s environment to their needs, particularly when related to safety and comfort.
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2 articles.
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