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Disturbances of Lower and Higher Visual Capacities Caused by Occipital Damage$
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W. Poppelreuter, J. Zihl, and L. Weiskrantz

Print publication date: 1990

Print ISBN-13: 9780198521907

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780198521907.001.0001

Recovery, training, assessment, overt complaints of visual disorder, and personality changes

Chapter:
(p. 239 ) 6 Recovery, training, assessment, overt complaints of visual disorder, and personality changes
Source:
Disturbances of Lower and Higher Visual Capacities Caused by Occipital Damage
Author(s):

W. Poppelreuter

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198521907.003.0006

During the observation of cases the duality included in this heading must always be kept in mind. Even from pre-war cases of apoplexy it is known that, for example the severe state of paresis and motor aphasia that follows the damaging event can rapidly improve without being treated by special systematic training efforts. This spontaneous improvement may be explained, depending on the anatomical situation in the individual case, as the common result of résorption of haemorrhages, overcoming shock, diaschisis, compensation by the other hemisphere, etc. It is plausible that any or all of these factors may be at work, because of the short time within which the immense improvement takes place. Training and the complicated processes of compensation associated with it can come to light as only slowly and gradually acquired improvements.

Keywords:   visual disorder, apoplexy, motor aphasia, diaschisis, paresis, anatomical situation

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