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1.
Rev. CES psicol ; 13(2): 113-128, maio-ago. 2020. tab
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1155348

ABSTRACT

Resumen Las dificultades del aprendizaje constituyen una de las principales causas de fracaso escolar; su aparición temprana puede evidenciarse en las habilidades gnósico-práxicas que soportan los procesos de lectura y escritura. Objetivo: Describir las habilidades gnósicas y práxicas en niños escolares, de 9 a 12 años de edad, asociadas a la presencia o no de dificultades en la lectura y/o la escritura. Participantes: 53 niños de una institución pública del municipio de Sabaneta-Colombia, divididos en dos grupos, uno compuesto por 16 niños con dificultades en la lectura y/o escritura y, el otro, por 37 niños sin dificultades en estos procesos. Resultados: La comparación intergrupos evidenció diferencias estadísticas (valor p y tamaño del efecto) significativas en aspectos cruciales para el proceso de lectura y escritura: la formación de imágenes visoconstruccionales y la velocidad, la planeación y la coordinación motora, evaluadas a partir de las tareas gnósico-práxicas de Sucesión de números y letras (WISC-IV) y Tapping (BANETA). Adicionalmente, se hallaron diferencias estadísticas en las subpruebas de Esterognosia, y correlaciones significativas entre Tapping y la velocidad al escribir palabras (BANETA). Conclusión: Las habilidades gnósico-práxicas no son plenamente los procesos predominantes en las diferencias intergrupos, si bien las habilidades motoras se vinculan con los procesos de aprendizaje y las dificultades que en ellos puedan presentarse, como lo sugieren las correlaciones dadas entre la subprueba de velocidad motora y el proceso de escritura. Adicionalmente, la velocidad de procesamiento y la memoria operativa se presentan como procesos transversales a las habilidades gnósico-práxicas y de lectura y escritura.


Abstract Learning disabilities constitute one of the main causes of school failure; their early manifestation may be evidenced in the gnosis-praxis skills that support reading and writing processes. Objective: To describe the performance of gnosis-praxis skills in school children (aged from 9 to 12 years old), associated to the existence or not of reading and/or writing difficulties. Participants: 53 children of a public school in Sabaneta - Colombia, divided into two groups, one consisting of 16 children with difficulties in reading and/or writing and, the other, by 37 children without difficulties in these processes. Results: The intergroup comparison showed significant statistical differences , in crucial aspects for reading and writing process: the visoconstructional image formation, speed, planning and motor coordination, obtained from the gnosis - praxis tasks of Letter-Number Sequencing (WISC-IV) and Tapping (BANETA). Additionally, statistical differences were found in the subtests of Stereognosis (BANETA) and significant correlations between Tapping and the speed rate in writing words. Conclusion: Gnosis - praxis skills are not the predominant processes in intergroup differences, even though motor skills are linked to learning process and the difficulties they may arise, as suggested by the correlations given between the motor speed subtest and the writing process. In addition, processing speed and operational memory are shown as crosscutting processes in gnosis-praxis, reading and writing skills.

2.
Dement. neuropsychol ; 4(3)set. 2010.
Article in English | LILACS | ID: lil-560267

ABSTRACT

This strict localizationism had and still has its importance for the development of Neurosciences, since the analysis of changes in mental processes resulting from brain damage became the basis for understanding the brain organization. The human parietal cortex is a highly differentiated structure, consisting of citoarchitectonically defined subareas that are connected to other cortical and subcortical areas. Patients with lesions in the parietal cortex develop various types of neuropsychological manifestations, depending on the specific location of the lesion and the corresponding hemisphere and these lesions in this lobe do not cause modal specific disturbances. The establishment of homologies between the parietal region in humans and primates can be of great contribution in trying to unravel the various functions and complexity of this area.


O localizacionismo estrito teve e ainda tem a sua importância para o desenvolvimento da Neurociência, uma vez que a análise de mudanças nos processos mentais resultantes de danos cerebrais se tornou a base para a compreensão da organização cerebral. O córtex parietal humano é uma estrutura altamente diferenciada, composta por subáreas histologicamente definidas que estão ligadas a outras áreas corticais e subcorticais. Pacientes com lesões no córtex parietal desenvolvem vários tipos de manifestações neuropsicológicas, dependendo do local específico da lesão e do hemisfério correspondente, mas estas lesões não causam perturbações modais específicas. O estabelecimento de homologias entre a região parietal em seres humanos e os primatas podem ser de grande contribuição na tentativa de desvendar as diversas funções e complexidade desta área.


Subject(s)
Humans , Apraxias , Cerebral Cortex , History , Neuropsychology , Parietal Lobe
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