Document Detail

Acquired procedural dyscalculia associated to a left parietal lesion in a child.
MedLine Citation:
PMID:  10925710     Owner:  NLM     Status:  MEDLINE    
We report the case of an 11-year-old boy who developed an anarithmetia in association with a left temporo-parietal tumor. His oral and written language were normal as well as his ability to judge magnitudes, process numbers, read operation signs and retrieve number facts. He had a specific difficulty in performing the procedures of subtraction, especially when it involved borrowing. These skills had been mastered before the present illness. This case shows that the components of calculation can be dissociated by brain lesions sustained during childhood, while arithmetic abilities are being acquired, thus reinforcing findings from developmental dyscalculias, that suggest a modular organisation of those skills during development.
I P Martins; J Ferreira; L Borges
Publication Detail:
Type:  Case Reports; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence     Volume:  5     ISSN:  0929-7049     ISO Abbreviation:  Child Neuropsychol     Publication Date:  1999 Dec 
Date Detail:
Created Date:  2000-08-28     Completed Date:  2000-08-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9512515     Medline TA:  Child Neuropsychol     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  265-73     Citation Subset:  IM    
Language Research Laboratory, Centro de Estudos Egas Moniz, Hospital de Sta Maria, Lisboa, Portugal.
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MeSH Terms
Brain Neoplasms / diagnosis*,  physiopathology,  surgery
Follow-Up Studies
Learning Disorders / diagnosis*,  physiopathology
Neoplasm Recurrence, Local / diagnosis,  physiopathology,  surgery
Neuropsychological Tests
Oligodendroglioma / diagnosis*,  physiopathology,  surgery
Parietal Lobe / physiopathology*,  surgery
Postoperative Complications / diagnosis,  physiopathology,  surgery
Problem Solving / physiology*

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

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