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Apraxia

2015
Abstract This is a chapter on Apraxia from the Movement Disorders section of A Manual of Neurological Signs. Most of the chapters contain a description of the sign, associated signs, and cases, supported by clinical videos and figures.
John G. Morris, Padraic J. Grattan-Smith
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Apraxia

1993
Abstract The motor system, which includes the corticospinal system together with motor neurons, is capable of directing muscles to make an almost infinite variety of movements. To perform skilled movements, the brain must acquire the knowledge through experience to program the motor system, so that these movements can be made correctly ...
Kenneth M Heilman   +1 more
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APRAXIA

Archives of Neurology & Psychiatry, 1942
John Hughlings Jackson1observed that certain aphasic patients could not protrude their tongues when requested to do so. They could, however, eat and drink well, and even lick their lips. While Jackson recognized the significance of this disturbance, he did not designate it by any name.
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Apraxia of Language Vs. Apraxia of Speech

1983
Investigations of movement systems in general have consistently included reference to very abstract levels of planning or preparation, where sensory information is considered and where conceptual metaphors abound. At this stage, the nature of scientific characterization rests more at the psychological level than at the physical.
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[Apraxias].

Der Nervenarzt, 2009
Apraxias are deficits in higher motor behaviour that are not primarily caused by elementary deficits of the sensorimotor system, communication problems, or dementia. These patients present with deficits such as imitating meaningful or meaningless gestures and in dexterity or purposeful use of objects.
F, Binkofski, G, Fink
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Apraxia

2020
Ennio De Renzi, Pietro Faglioni
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