[The efficacy of a formula for estimating premorbid intelligence in the Spanish population]. / Eficacia de una formula de estimacion de la inteligencia premorbida en la poblacion española.

INTRODUCTION: An important aim of neuropsychological assessment is to identify impairment in higher cognitive or intellectual, functioning. In order to achieve this task the assessment of premorbid intellectual ability becomes crucial. The estimation of premorbid cognitive functioning will allow us to assess level of cognitive deterioration but also best cognitive functioning that can be expected in rehabilitation. Estimating premorbid cognitive ability is also crucial in forensic practice and for research purposes. Methods that allow the estimation of premorbid intelligence have been developed. Estimates derived from these methods are typically based on one or both of the following sources of information: (a). life history variables (b). measures of current cognitive functioning that are highly correlated with intellectual functioning and that are relatively unaffected by brain damage. OBJECTIVE: To present a method of estimating premorbid intelligence in Spanish population. SUBJECTS AND METHODS: The method we present has been developed applying linear regression models to the standardization sample of the WAIS III in Spanish population. The model is based exclusively on demographic and socio educational variables, allowing estimation free of the influence of neurological lesions squeal. CONCLUSIONS: The efficiency of the method we present is similar to that of other methods widely used in other countries.

Eficacia de una fórmula de estimación de la inteligencia premórbida en la población española / The efficacy of a formula for estimating premorbid intelligence in the spanish population

Introducción. Un objetivo importante de la evaluación neuropsicológica es la identificación de déficit en las funciones cognitivas o intelectuales superiores. Para conseguir este objetivo, es crucial la estimación de la inteligencia premórbida (IPM). La estimación del funcionamiento cognitivo premórbido nos va a permitir la evaluación del deterioro cognitivo, pero también el máximo grado de funcionamiento que se pude conseguir en la rehabilitación. La estimación de la IPM es también crucial en la práctica forense y de investigación. Se han desarrollado diferentes métodos para estimar la IPM. Las estimaciones se derivan de una de las dos fuentes de información que exponemos a continuación, o de ambas: a) variables de historia de vida; b) medidas de funcionamiento cognitivo actual que tienen una alta correlación con el funcionamiento intelectual global y que no se alteran, relativamente, por las lesiones cerebrales. Objetivo. Presentar un método de estimación de la IPM en la población española. Sujetos y métodos. El método presentado se ha desarrollado con modelos de regresión lineal en la muestra de estandarización del WAIS-III en la población española normal. El modelo se basa exclusivamente en variables demográficas y socioeducacionales, lo que permite una estimación que no se ve afectada por las secuelas de las lesiones neurológicas. Conclusión. La eficacia del método presentado es similar a la de otros métodos ampliamente utilizados en otros países (AU)

Introduction. An important aim of neuropsychological assessment is to identify impairment in higher cognitive or intellectual, functioning. In order to achieve this task the assessment of premorbid intellectual ability becomes crucial. The estimation of premorbid cognitive functioning will allow us to assess level of cognitive deterioration but also best cognitive functioning that can be expected in rehabilitation. Estimating premorbid cognitive ability is also crucial in forensic practice and for research purposes. Methods that allow the estimation of premorbid intelligence have been developed. Estimates derived from these methods are typically based on one or both of the following sources of information: (a) life history variables (b) measures of current cognitive functioning that are highly correlated with intellectual functioning and that are relatively unaffected by brain damage. Objective. To present a method of estimating premorbid intelligence in Spanish population. Subjects and methods. The method we present has been developed applying linear regression models to the standardization sample of the WAIS-III in Spanish population. The model is based exclusively on demographic and socio-educational variables, allowing estimation free of the influence of neurological lesions squeal. Conclusion. The efficiency of the method we present is similar to that of other methods widely used in other countries (AU)

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