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      Evidências de validade do Instrumento de Avaliação Neuropsicológica Breve Neupsilin Translated title: Validity evidences of Neupsilin Brief Neuropsychological Assessment Instrument

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          Abstract

          Objetivou-se fornecer evidências de validade do Neupsilin. Participaram 102 homens e mulheres, de 18 a 40 anos de idade, divididos em três grupos de acordo com a escolaridade: baixa, intermediária e alta. Foram aplicados os instrumentos Neupsilin, Matrizes Progressivas de Raven − Escala Geral e Inventário Beck de Depressão e avaliados os hábitos de leitura e escrita. Por intermédio do teste de Análise de Variância, encontrou-se diferença significativa entre os três grupos nas tarefas: Ordenamento Ascendente de Dígitos, Processamento de Inferências e Fluência Verbal. A influência do nível de escolaridade foi significativa em dezenove tarefas. Memória, Linguagem e Praxias apresentaram correlação alta com o Raven. O Neupsilin correlacionou-se moderadamente com hábitos de leitura e escrita. Os resultados indicaram evidências de validade a partir da diferenciação nos escores em virtude da escolaridade, da correlação entre Neupsilin e Raven (validade convergente) e entre Neupsilin e freqüência de hábitos de leitura e escrita (validade concorrente).

          Translated abstract

          The aim was to present validity evidences of the Neupsilin. Hundred two men and women, from 18 to 40 years old, were selected according to the groups distributed by years of formal study: low-education, middle-education, and high-education. They answered Neupsilin, Raven Progressive Matrices ─ General Scale, and the Beck’s Depression Inventory. Variance Analysis test indicated significant difference among the three groups in the tasks: Digit Ordering, Processing of Inferences and Verbal Fluency. Education influence was significant in 19 tasks. Memory, Language and Praxis presented the strongest correlations with Raven. Neupsilin presented moderate correlation with the reading and writing practice. The results indicated validity evidences by: (1) differentiation in the scores due to the education; (2) correlation between Neupsilin and Raven (convergent validity) and between Neupsilin and reading and writing practice (concurrent validity).

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          What one intelligence test measures: a theoretical account of the processing in the Raven Progressive Matrices Test.

          The cognitive processes in a widely used, nonverbal test of analytic intelligence, the Raven Progressive Matrices Test (Raven, 1962), are analyzed in terms of which processes distinguish between higher scoring and lower scoring subjects and which processes are common to all subjects and all items on the test. The analysis is based on detailed performance characteristics, such as verbal protocols, eye-fixation patterns, and errors. The theory is expressed as a pair of computer simulation models that perform like the median or best college students in the sample. The processing characteristic common to all subjects is an incremental, reiterative strategy for encoding and inducing the regularities in each problem. The processes that distinguish among individuals are primarily the ability to induce abstract relations and the ability to dynamically manage a large set of problem-solving goals in working memory.
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              Neural mechanisms of general fluid intelligence.

              We used an individual-differences approach to test whether general fluid intelligence (gF) is mediated by brain regions that support attentional (executive) control, including subregions of the prefrontal cortex. Forty-eight participants first completed a standard measure of gF (Raven's Advanced Progressive Matrices). They then performed verbal and nonverbal versions of a challenging working-memory task (three-back) while their brain activity was measured using functional magnetic resonance imaging (fMRI). Trials within the three-back task varied greatly in the demand for attentional control because of differences in trial-to-trial interference. On high-interference trials specifically, participants with higher gF were more accurate and had greater event-related neural activity in several brain regions. Multiple regression analyses indicated that lateral prefrontal and parietal regions may mediate the relation between ability (gF) and performance (accuracy despite interference), providing constraints on the neural mechanisms that support gF.
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                Author and article information

                Journal
                arbp
                Arquivos Brasileiros de Psicologia
                Arq. bras. psicol.
                Universidade Federal do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                1809-5267
                June 2008
                : 60
                : 2
                : 101-116
                Affiliations
                [01] Rio Grande do Sul RS orgnameUniversidade Federal do Rio Grande do Sul Brasil
                [02] Rio Grande do Sul RS orgnamePontifícia Universidade Católica do Rio Grande do Sul Brasil
                Article
                S1809-52672008000200011 S1809-5267(08)06000211
                bc9a43ea-bdd6-4f15-8b59-ebae91ae5d39

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 22 September 2008
                : 05 August 2008
                : 18 November 2007
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 52, Pages: 16
                Product

                SciELO Periódicos Eletrônicos em Psicologia

                Categories
                Artigos

                Neuropsychological assessment,Validity evidences,Education,Avaliação neuropsicológica,Evidências de validade,Educação

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