Lésions pariétales droites, négligence spatiale et référentiel égocentrique [Right parietal lesions, unilateral neglect and egocentric reference]. Bartolomeo, P., Chokron, S., & Degos, J. Revue Neurologique, 156(2):139–143, 2000. abstract bibtex Using a proprioceptive "straight-ahead" pointing task, we determined the position of the subjective sagittal middle in thirty unselected patients with unilateral vascular lesions in the right hemisphere and twenty-two normal controls. Patients with extensive right parietal damage (n=16) showed an ipsilesional (rightward) deviation of their egocentric reference, whereas patients with lesions that substantially spared the right parietal lobe (n=14) showed a contralesional (leftward) deviation. No significant correlation emerged between the position of the egocentric reference and the performance on a neglect battery. These results can help explain some dissociations between left neglect signs and ipsilesional deviation of the egocentric reference, and raise some questions about the links among lesion location, neglect signs and egocentric frame of reference.
@article{bartolomeoLesionsParietalesDroites2000,
title = {Lésions pariétales droites, négligence spatiale et référentiel égocentrique [{Right} parietal lesions, unilateral neglect and egocentric reference]},
volume = {156},
abstract = {Using a proprioceptive "straight-ahead" pointing task, we determined the position of the subjective sagittal middle in thirty unselected patients with unilateral vascular lesions in the right hemisphere and twenty-two normal controls. Patients with extensive right parietal damage (n=16) showed an ipsilesional (rightward) deviation of their egocentric reference, whereas patients with lesions that substantially spared the right parietal lobe (n=14) showed a contralesional (leftward) deviation. No significant correlation emerged between the position of the egocentric reference and the performance on a neglect battery. These results can help explain some dissociations between left neglect signs and ipsilesional deviation of the egocentric reference, and raise some questions about the links among lesion location, neglect signs and egocentric frame of reference.},
number = {2},
journal = {Revue Neurologique},
author = {Bartolomeo, P. and Chokron, S. and Degos, J.-D.},
year = {2000},
keywords = {\#nosource, ⛔ No DOI found},
pages = {139--143},
annote = {Nous avons déterminé la position de la référence égocentrique chez 30 patients porteurs d’une lésion cérébrale hémisphérique droite isolée d’origine vasculaire, en utilisant une tâche de pointage « droit devant » proprioceptif. Les résultats montrent que chez les patients porteurs d’une lésion pariétale étendue (n=16) il existe une déviation ipsilésionnelle (vers la droite) de la position de la référence égocentrique. Par ailleurs, les patients exempts d’une lésion pariétale étendue (n=14) montrent une déviation contralésionnelle (vers la gauche) de la position de cette référence. Aucune corrélation significative ne fut retrouvée entre la position de la référence égocentrique et les résultats obtenus à une batterie de tests de négligence. Ces données permettent de discuter les hypothèses référentielles de la négligence spatiale unilatérale et plus particulièrement le lien entre lésion pariétale, référentiel égocentrique et organisation de l’espace.},
annote = {PAPERS},
}
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No significant correlation emerged between the position of the egocentric reference and the performance on a neglect battery. 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Patients with extensive right parietal damage (n=16) showed an ipsilesional (rightward) deviation of their egocentric reference, whereas patients with lesions that substantially spared the right parietal lobe (n=14) showed a contralesional (leftward) deviation. No significant correlation emerged between the position of the egocentric reference and the performance on a neglect battery. These results can help explain some dissociations between left neglect signs and ipsilesional deviation of the egocentric reference, and raise some questions about the links among lesion location, neglect signs and egocentric frame of reference.},\n\tnumber = {2},\n\tjournal = {Revue Neurologique},\n\tauthor = {Bartolomeo, P. and Chokron, S. and Degos, J.-D.},\n\tyear = {2000},\n\tkeywords = {\\#nosource, ⛔ No DOI found},\n\tpages = {139--143},\n\tannote = {Nous avons déterminé la position de la référence égocentrique chez 30 patients porteurs d’une lésion cérébrale hémisphérique droite isolée d’origine vasculaire, en utilisant une tâche de pointage « droit devant » proprioceptif. Les résultats montrent que chez les patients porteurs d’une lésion pariétale étendue (n=16) il existe une déviation ipsilésionnelle (vers la droite) de la position de la référence égocentrique. Par ailleurs, les patients exempts d’une lésion pariétale étendue (n=14) montrent une déviation contralésionnelle (vers la gauche) de la position de cette référence. Aucune corrélation significative ne fut retrouvée entre la position de la référence égocentrique et les résultats obtenus à une batterie de tests de négligence. 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