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1.
An. psicol ; 35(3): 405-416, oct. 2019. tab
Artigo em Inglês | IBECS | ID: ibc-190028

RESUMO

The present case-control, double-blind, and prospective study investigated the effects of Numeracy Music Training (NMT) on cognitive skills of primary school children. Participating in the study were 42 children aged 8 to 10 years divided into two groups: Low Achievement in Math (n = 21), and Average Achievement in Math (n = 21). The children underwent two evaluations before and after NMT, where cognitive tests and behavior scales were applied that assessed variables such as school performance, IQ, working memory, numerical cognition, anxiety and stress. NMT was developed in eight group sessions and aimed to stimulate the systems of numerical cognition and integrate basic musical knowledge, and symbolic representations. After the intervention, through musical training, the children in both groups showed significant improvements in school performance, systems of numerical cognition and working memory, as well as the reduction of manifestation of mathematics anxiety


El presente estudio caso-control, doble ciego, y prospectivo investigó los efectos del entrenamiento musical numérico (NMT; Numeracy Musical Training), sobre habilidades cognitivas en niños de enseñanza primaria. Participaron 42 niños de 8 a 10 años divididos en dos grupos: con Bajo Rendimiento Aritmético (N= 21), y con Rendimiento Aritmético Medio (N = 21). Los niños pasaron por dos evaluaciones, antes y después de la realización del NMT, en las cuales se aplicaron pruebas cognitivas y escalas de comportamiento, que evaluaban variables como: rendimiento escolar, CI, memoria operativa, cognición numérica, ansiedad y estrés. El NMT fue desarrollado en ocho sesiones colectivas y tuvo como objetivo estimular los sistemas de la cognición numérica e integrar conocimientos musicales básicos y representaciones simbólicas. Después de la intervención por medio del entrenamiento musical los niños de ambos grupos obtuvieron mejoras significativas en el rendimiento académico, en los sistemas de la cognición numérica y en la memoria operativa, así como una disminución de la manifestación de ansiedad a las matemáticas


Assuntos
Humanos , Masculino , Feminino , Criança , Baixo Rendimento Escolar , Matemática/educação , Método Duplo-Cego , Cognição/fisiologia , Musicoterapia/métodos , Discalculia/psicologia , Estudos de Casos e Controles , Estudos Prospectivos , Música/psicologia , Memória de Curto Prazo/fisiologia
2.
Span. j. psychol ; 19: e36.1-e36.14, 2016. tab
Artigo em Inglês | IBECS | ID: ibc-160252

RESUMO

This study analyzed the cognitive functioning underlying arithmetical difficulties and explored the predictors of arithmetic achievement in the last three grades of Spanish Primary Education. For this purpose, a group of 165 students was selected and divided into three groups of arithmetic competence: Mathematical Learning Disability group (MLD, n = 27), Low Achieving group (LA, n = 39), and Typical Achieving group (TA, n = 99). Students were assessed in domain-general abilities (working memory and PASS cognitive processes), and numerical competence (counting and number processing) during the last two months of the academic year. Performance of children from the MLD group was significantly poorer than that of the LA group in writing dictated Arabic numbers (d = -0.88), reading written verbal numbers (d = -0.84), transcoding written verbal numbers to Arabic numbers (-0.75) and comprehension of place value (d = -0.69), as well as in simultaneous (d = -0.62) and successive (d = -0.59) coding. In addition, a specific developmental sequence was observed in both groups, the implications of which are discussed. Hierarchical regression analysis revealed simultaneous coding (β = .47, t(155) = 6.18, p < .001) and number processing (β = .23, t(155) = 3.07, p < .01) as specific predictors of arithmetical performance (AU)


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Assuntos
Humanos , Masculino , Feminino , Criança , Logro , Desenvolvimento Infantil/fisiologia , Cognição/fisiologia , Discalculia/fisiopatologia , Conceitos Matemáticos , Memória de Curto Prazo/fisiologia , Espanha
3.
Span. j. psychol ; 15(3): 952-966, nov. 2012.
Artigo em Inglês | IBECS | ID: ibc-105677

RESUMO

The aim of this study was to evaluate if children with Developmental Dyscalculia (DD) exhibit a general deficit in magnitude representations or a specific deficit in the connection of symbolic representations with the corresponding analogous magnitudes. DD was diagnosed using a timed arithmetic task. The experimental magnitude comparison tasks were presented in non-symbolic and symbolic formats. DD and typically developing (TD) children showed similar numerical distance and size congruity effects. However, DD children performed significantly slower in the symbolic task. These results are consistent with the access deficit hypothesis, according to which DD children’s deficits are caused by difficulties accessing magnitude information from numerical symbols rather than in processing numerosities per se (AU)


El objetivo de este estudio fue evaluar si los niños con Discalculia del Desarrollo (DD) presentan un déficit general en la representación de las magnitudes o un déficit específico en la conexión de las representaciones simbólicas con sus correspondientes magnitudes análogas. La DD fue diagnosticada mediante una tarea aritmética con control del tiempo de reacción. Las tareas experimentales de comparación de magnitudes se presentaron en formato no-simbólico y simbólico. Los resultados muestran que en los discalcúlicos la representación numérica parece estar intacta, lo cual se expresa en efectos de distancia numérica y congruencia de la magnitud, similares a los que exhiben los niños con un desarrollo típico. Las diferencias respecto a este grupo se encuentran solo en la velocidad de procesamiento en las tareas simbólicas. Se concluye que los datos se ajustan a la hipótesis del déficit en el acceso, por lo que las dificultades de los niños discalcúlicos parecen producto de un trastorno en la conexión entre las representaciones simbólicas y las análogas y no en la representación numérica per se (AU)


Assuntos
Humanos , Masculino , Feminino , Criança , Discalculia/psicologia , Tempo de Reação/fisiologia , Psicologia Experimental/métodos , Psicologia Experimental/tendências , Dissonância Cognitiva , Ciência Cognitiva/métodos , Discalculia/epidemiologia , Discalculia/prevenção & controle , Discalculia/fisiopatologia , Psicologia Experimental/organização & administração , Psicologia Experimental/normas , Inquéritos e Questionários , Análise de Variância , 28599
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