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Cortical anomalies associated with visuospatial processing deficits
ISAACS EB; EDMONDS CJ; CHONG WK
ANN NEUROL , 2003, vol. 53, n° 6, p. 768-773 Doc n°: 109162 Localisation : Documentation IRR Descripteurs : AJ112 - PATHOLOGIQUE Children born preterm provide a fruitful population for studying structure-function relationships because they often have specific functional deficits in the context of normal neurological status. We selected a group of preterm adolescents with deficits in judgment of line orientation. Despite their very low birth weight, all were neurologically normal with no consistent abnormalities on conventional magnetic resonance imaging. However, voxel-based morphometric analysis of their magnetic resonance imaging scans showed areas of decreased gray matter and increased white matter most prominently in right ventral extrastriate cortex, close to an area previously implicated in the line orientation task. We suggest that these anomalies of cortical architecture relate to impaired performance on the line orientation task. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 2003227260 |
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