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ApraxiaThe Cognitive side of motor control$
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Georg Goldenberg

Print publication date: 2013

Print ISBN-13: 9780199591510

Published to Oxford Scholarship Online: September 2013

DOI: 10.1093/acprof:oso/9780199591510.001.0001

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Communicative gestures: Pantomime of tool use

Communicative gestures: Pantomime of tool use

(p.152) Chapter 10 Communicative gestures: Pantomime of tool use
Oxford University Press

In right-handed patients defective pantomime is strictly bound to left-hemisphere damage and is always associated with aphasia. Conversely, there are patients with aphasia and intact pantomime, but when only patients with severe global aphasia are considered, sparing of pantomime is very rare. The intrahemispheric location of lesions interfering with pantomime is less clear. Pantomime can be spared in patients with extensive parietal lobe damage. Support for the proposal that the crucial lesions are in the inferior frontal region is not unequivocal. Pantomime is not identical to running the motor program of real use empty handed. It is a creative act, resulting in a demonstration of the tool and its use that other people can understand. The creation of pantomime is based on the combination of a limited number of distinctive features of manual action and the tool.

Keywords:   apraxia, pantomime of tool use, communication, language, asymbolia, aphasia, parietal lobe, broca’s area, gestures

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