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TIPO DE MATERIAL Y OLVIDO A CORTO PLAZO EN PACIENTES ALZHEIMER Y ANCIANOS SANOS
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TIPO DE MATERIAL Y OLVIDO A CORTO PLAZO EN PACIENTES ALZHEIMER Y ANCIANOS SANOS
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Journal Article
TIPO DE MATERIAL Y OLVIDO A CORTO PLAZO EN PACIENTES ALZHEIMER Y ANCIANOS SANOS
2002
Overview
Este estudio comparó el rendimiento de 10 pacientes Alzheimer con el de 20 ancianos sanos en la tarea de Brown-Peterson y comprobó si el bajo rendimiento de los pacientes puede explicarse por el tipo de material empleado (palabras frente a sílabas sin sentido; categorías naturales frente a artificiales). Se examinó también el posible deterioro de los Alzheimer en esta tarea con una evaluación posterior al cabo de 6 meses (retest). Los resultados mostraron que los Alzheimer rindieron peor que los ancianos sanos en los tres intervalos examinados, pero no se encontró una interacción significativa entre grupo e intervalo, por un lado, ni grupo y tipo de material, por otro. Esta ausencia de interacciones indicó que la tasa de olvido fue similar en los dos grupos y que el tipo de material no perjudicó al rendimiento de los Alzheimer. Tampoco se encontraron diferencias significativas entre test y retest en esta tarea. Type of material and short-term forgetting in Alzheimer disease and ageing. This study examined whether the low performance of 10 Alzheimer patients in the Brown-Peterson task could be explained by the type of material used (words versus nonsense syllables; and natural versus artificial categories) that differed from 20 elderly controls. Performance of the Alzheimer group with these two materials was also examined six months later. Our data showed that Alzheimer had a lower performance in the three retention intervals than controls but a significant interaction between group and interval or group and material were not found. This indicated that the rate of forgetfulness was similar in the two groups and that the type of material did not deteriorate the performance of the Alzheimer group. No difference was obtained between test and retest in this task.
Publisher
Colegio Oficial de Psicólogos (PSICODOC)
Subject
