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Theses

Développement des fonctions exécutives chez l’enfant du nord-est du Brésil

Abstract : Currently, the neuropsychological assessment of executive functions (EF) has been the object of increasing research interest. In Brazil, the number of publications regarding both EF neuropsychological tests and scientific productions, has increased substantially. Despite advances, there is still remarkable dissatisfaction with the validation and standardization of available EF measures, as well as a lack of specific batteries for the evaluation of EF in the pediatric population in Brazil. This limitation hinders the characterization of the typical development of EF in Brazilian children and limits the knowledge about the semiology of EF disorders in children. Considering this scenario, this thesis aims to provide Brazilian researchers and professionals with a battery of psychometric tests developed in France and simultaneously adapted to different cultures, namely, Lebanon, Morocco, Tunisia, Ecuador and Brazil: the Child Executive Functions Battery (CEF-B). This study consisted of a continuation of the translation and adaptation process initiated at the master's level. The main objectives of the thesis were designed through three complementary perspectives: developmental, cultural and clinical. From a clinical perspective, we aimed to analyze the psychometric properties of the Brazilian version of the CEF-B and to characterize the development profile of EF in children in the Northeast of Brazil. In addition, we performed a critical analysis of the instruments available for clinical evaluation of EF in the Brazilian pediatric population. Regarding cultural and development objectives, this study also aimed to analyze the impact of socio-demographic factors (such as gender and type of school) on EF development. To achieve the proposed objectives, this study was carried out with children from 7 to 12 years old with typical development of three cities in Rio Grande do Norte. The sample was divided into six age groups and each group was composed of approximately 40 children, homogeneously distributed by sex and type of school. A global effect of age was found for most of the EF measures evaluated. Gender effect was mostly non-significant, except for 4 of the 12 tasks. There was a significant effect of socioeconomic status on 8 tasks, all in favor of private school children. Exploratory factorial and correlation analysis showed a 4-factor EF structure, corroborating the theoretical distribution considered in the French CEF-B. Regarding the psychometric properties, a satisfactory retest and internal consistency reliability coefficients were found. In addition, data on the effect of age suggested good developmental validity of the battery. Although normative data are still lacking for other regions of Brazil, we believe that the next steps of this research will allow the clinical use of the CEF-B. These future investigations will provide clinical neuropsychologists with an improved theoretical basis for child executive development and tools for better identifying executive disorders in the pediatric population.
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Amanda Bernardo Guerra. Développement des fonctions exécutives chez l’enfant du nord-est du Brésil. Psychologie. Université d'Angers; Universidade federal do Rio Grande do Norte (Natal, Brésil), 2020. Français. ⟨NNT : 2020ANGE0049⟩. ⟨tel-03561499⟩

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