2009
DOI: 10.1093/arclin/acp063
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Is the N-Back Task a Valid Neuropsychological Measure for Assessing Working Memory?

Abstract: The n-back is a putative working memory task frequently used in neuroimaging research; however, literature addressing n-back use in clinical neuropsychological evaluation is sparse. We examined convergent validity of the n-back with an established measure of working memory, digit span backward. The relationship between n-back performance and scores on measures of processing speed was also examined, as was the ability of the n-back to detect potential between-groups differences in control and Parkinson's diseas… Show more

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Cited by 183 publications
(133 citation statements)
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“…Thus, the task could be considered to be more similar to forward than to backward recall. Previous research comparing n-back with forward and backward recall, and simple and complex span, also reject the notion that the findings in Experiment 2 reflect increased similarity in basic task demands between n-back and backward recall (e.g., Gevins & Smith, 2000;Jaeggi et al, 2010;Miller, Price, Okun, Montijo & Bowers, 2009;Oberauer, 2005;Shelton, Elliott, Hill, Calamia & Gouvier, 2009). Thus, we would claim that the results indicate a greater role for visuospatial support during backward digit recall.…”
Section: Discussionmentioning
confidence: 65%
“…Thus, the task could be considered to be more similar to forward than to backward recall. Previous research comparing n-back with forward and backward recall, and simple and complex span, also reject the notion that the findings in Experiment 2 reflect increased similarity in basic task demands between n-back and backward recall (e.g., Gevins & Smith, 2000;Jaeggi et al, 2010;Miller, Price, Okun, Montijo & Bowers, 2009;Oberauer, 2005;Shelton, Elliott, Hill, Calamia & Gouvier, 2009). Thus, we would claim that the results indicate a greater role for visuospatial support during backward digit recall.…”
Section: Discussionmentioning
confidence: 65%
“…Apesar de a literatura evidenciar baixa especificidade da tarefa quanto à função cognitiva medida (Miller et al, 2009), os dados mostrados neste estudo evidenciam que a tarefa se comporta conforme o ciclo desenvolvimental da MT. Tendo em vista as demandas de pesquisa na área da psicologia por instrumentos adaptados para nossa população, mais estudos que investiguem o desempenho da população brasileira em tarefas neuropsicológicas internacionalmente reconhecidas e populares por sua acurácia experimental como a Tarefa N-back auditiva são de fundamental relevância.…”
Section: Tabela 2 Médias De Acertos E Erros De Acordo Com Grupo Etáriounclassified
“…Os resultados dessa tarefa são analisados de diferentes formas: por meio de desenhos de análises paramétricas que comparam os níveis 1-back, 2-back e 3-back (Dobbs & Rule, 1989), por meio do somatório de acertos em todos os níveis, assumindo um valor único como medida de MT (Nebes et al, 2000), ou, ainda, pela análise do índice de acurácia e o tempo de reação (Miller, Price, Okun, Montijo, & Bowers, 2009). Algumas investigações sugerem seguir em níveis além do 3-back (Nebes et al, 2000).…”
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