Download Apraxia: The Cognitive side of motor control by Georg Goldenberg PDF

By Georg Goldenberg

Apraxia is a symptom of cerebral lesions that has wondered clinicians and researchers for a few a hundred years. It has engendered many desirable descriptions and a large variety of conflicting theoretical bills.

This publication is the 1st person who provides a accomplished account of scientific and experimental findings on all manifestations of apraxia in addition to of the historical past and the philosophical underpinning of theories on apraxia. The evaluation of up to date proof is illustrated with shiny descriptions of scientific examples. The old half unearths early precursors of the concept that of apraxia within the final 3rd of nineteenth century and resuscitates contributions made within the "holistic" period within the mid twentieth century that experience now mostly fallen in oblivion. They exhibit that the richness of principles on apraxia is far more than a few smooth authors might acknowledge.

Over and past giving an outline of heritage and medical visual appeal of apraxia the publication explores the philosophical fundaments that underlie definitions, classifications, and theories of apraxia. Goldenberg argues that they're finally grounded in a brain as opposed to physique dichotomy that looks as competition among low and high or, respectively, cognitive and motor degrees of motion keep an eye on. by way of touching on historical past and smooth proof to perennial philosophical difficulties the e-book transgresses the subject of apraxia and touches the fundaments of cognitive neuroscience.

This e-book will make interesting studying for these within the fields of neuroscience, neurology, neuropsychology, and developmental psychology

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Additional resources for Apraxia: The Cognitive side of motor control

Sample text

From this double dissociation Liepmann concluded that aphasia and apraxia are independent symptoms of left brain damage. Callosal apraxia A few years after completion of the group study a series of single case studies endorsed the left hemisphere dominance for action control. Together with the neurologist Otto Maas, Liepmann published a short report of a right-handed patient who had suffered a stroke rendering the right limbs plegic (Liepmann & Maas, 1907). He had no aphasia, but was completely unable to write, to copy letters, or to compose words from anagram letters with the left hand.

Middle: In this late version of the diagram (Liepmann, 1920, p. 413) the origin of the fibers connecting the entire cortex with the motor region has become asymmetric as well. They now arise predominantly from the left hemisphere. ) regions. Right: The confinement of the crucial tracts and regions to the left hemisphere makes it possible to show them in a lateral view of the left hemisphere. The convergence of fibers from the entire cortex to the left sensorimotor regions turns into a posterior to anterior stream of action control.

Seen from a distance of more than 100 years and from the top of the large mountain of studies on apraxia accumulated since then, the case of the imperial counselor still remains somewhat of a riddle. , 1978). The quest for replication or re-interpretation of Liepmann’s seminal case is still open. Apraxia, language, and handedness In right-handers the leading role of the left hemisphere for praxis coincides with lefthemisphere dominance for speech and with motor control of the dominant right hand.

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