Document Detail

Apraxia of the left limbs in a case of callosal disconnection: the contribution of medial frontal lobe damage.
MedLine Citation:
PMID:  3987307     Owner:  NLM     Status:  MEDLINE    
A 40 year old right-handed woman suffered hemorrhage from an anterior cerebral artery aneurysm. CT scan showed destruction of the anterior two thirds of the corpus callosum, both cingulate gyri, and the white matter underlying the medial frontal lobes. The left limbs displayed apraxia on verbal command, in imitation, and in actual object use. There were antagonistic actions of both hands, and the patient accused her left hand of disobeying her. We interpret the leftsided apraxia as resulting from a lack of interhemispheric transfer combined with a deficit in ipsilateral motor control stemming from damage to the left supplementary motor area. Right frontal lobe damage may have impaired the motor learning capacity of the right hemisphere and thus its ability to compensate for the lack of left hemisphere motor control.
G Goldenberg; A Wimmer; F Holzner; P Wessely
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Cortex; a journal devoted to the study of the nervous system and behavior     Volume:  21     ISSN:  0010-9452     ISO Abbreviation:  Cortex     Publication Date:  1985 Mar 
Date Detail:
Created Date:  1985-06-14     Completed Date:  1985-06-14     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0100725     Medline TA:  Cortex     Country:  ITALY    
Other Details:
Languages:  eng     Pagination:  135-48     Citation Subset:  IM    
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MeSH Terms
Apraxias / etiology,  physiopathology*
Cerebral Hemorrhage / complications
Corpus Callosum / physiopathology*
Frontal Lobe / physiopathology*
Functional Laterality / physiology*
Hand / physiology
Motor Skills / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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