[Multisite study for norming and standardizing neuropsychological instruments in healthy people for Spanish population: methods and characteristics of Normacog project].

Abstract:

INTRODUCTION:Many neuropsychological tests used in Spain have been normed on Spanish-speaking persons in the USA and South America. In addition, the normative samples often span limited age or educational ranges, potentially decreasing their representativeness of the population, the interpretation of test results, and clinical decisions based on them. This study is part of the Normacog project which seeks to standardize neuropsychological instruments in a representative sample of Spanish society. AIM:To present the normalization methodology undertaken in the Normacog project and the sociodemographic characteristics of participants and Spanish population. SUBJECTS AND METHODS:Seven hundred and eleven participants aged 18-90 years were recruited from different geographical regions in Spain. Their sociodemographic characteristics, medical history, habits, native language, bilingualism and handedness were taken into account. Each participant completed 19 tests that assess a wide variety of cognitive domains such as verbal and visual memory, executive functions, processing speed or naming and verbal fluency. RESULTS:The final normative sample mirrors the population of Spain in age, education, and sex distributions. CONCLUSIONS:This article describes the normalization methodology and the characteristics of participants included in the multicenter Normacog study. This study seeks to standardize and normalize neuropsychological instruments, taking into account the sociodemographic characteristics of Spanish population. The Normacog project will provide normative data that are appropriate to our cultural environment, and essential for using these measures to form reliable clinical and diagnostic inferences. TITLE:Estudio multicentrico de normalizacion y estandarizacion de instrumentos neuropsicologicos en personas sanas para poblacion española: metodologia y caracteristicas del proyecto Normacog. :Introduccion. Muchos de los instrumentos neuropsicologicos utilizados en España se han normalizado en poblacion hispanohablante procedente de Estados Unidos y Sudamerica, con grupos de edad y caracteristicas restrictivas. Utilizar este tipo de normas disminuye potencialmente su representatividad, la interpretacion de los resultados y las decisiones clinicas. Este estudio se enmarca dentro del proyecto Normacog, con el fin de estandarizar instrumentos neuropsicologicos en una muestra representativa de la sociedad española. Objetivo. Presentar la metodologia de normalizacion llevada a cabo en el proyecto Normacog y las caracteristicas sociodemograficas de la poblacion española y de los participantes incluidos en el estudio. Sujetos y metodos. Se reclutaron 711 participantes (rango: 18-90 años) de diferentes areas geograficas de España, incluyendo los datos sociodemograficos, medicos, habitos habituales, lengua materna, bilinguismo y dominancia manual. Cada participante completo 19 instrumentos que evaluaban un amplio rango de dominios cognitivos, como memoria verbal y visual, atencion, funciones ejecutivas, velocidad de procesamiento o fluidez y denominacion verbal. Resultados. La muestra final normativa refleja las caracteristicas sociodemograficas y la representatividad de la poblacion española de acuerdo con los rangos de edad, educacion y sexo. Conclusiones. Se describe la metodologia de normalizacion y las caracteristicas de la muestra incluida en el estudio multicentrico Normacog, mediante el cual se llevara a cabo la estandarizacion y normalizacion de instrumentos neuropsicologicos, teniendo en cuenta las caracteristicas sociodemograficas propias de la poblacion española. El proyecto Normacog proporciona datos normativos adecuados a nuestro medio cultural, y es esencial para poder realizar un diagnostico clinico y neuropsicologico fiable.

journal_name

Rev Neurol

journal_title

Revista de neurologia

authors

del Pino R,Peña J,Schretlen DJ,Ibarretxe-Bilbao N,Ojeda N

subject

Has Abstract

pub_date

2015-07-16 00:00:00

pages

57-65

issue

2

eissn

0210-0010

issn

1576-6578

pii

rn2014481

journal_volume

61

pub_type

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