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Characterization of event-related potential of visual-spatial working memory in patients with ischemic white matter lesions / 医学研究生学报
Journal of Medical Postgraduates ; (12)2003.
Artículo en Chino | WPRIM | ID: wpr-594802
ABSTRACT

Objective:

Executive dysfunction is a typical characteristic of vascular cognitive impairment(VCI),with subcortical ischemia as its pathological basis.The aim of this study was to investigate the characteristics of event-related potential of visual-spatial working memory based on ischemic white matter lesions,and offer more electrophysiological evidence for the evaluation of VCI.

Methods:

We included in this study 24 patients with ischemic white matter lesions(13 mild and 11 severe cases) and 12 elderly healthy controls,and induced event-related potentials(ERP) of visual-spatial working memory from the delayed matching-to-sample task in all the participants.

Results:

Three waves were identified N330,P420 and late negative component. On the two-ball-load,the N330 amplitude in the middle frontal,right frontal and occipital lobe was significantly smaller in the mild and severe lesion groups(P

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Journal of Medical Postgraduates Año: 2003 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Journal of Medical Postgraduates Año: 2003 Tipo del documento: Artículo