51 resultados para cognitive development
em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"
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Apert syndrome is characterized by craniosynostosis, symmetric syndactyly and other systemic malformations, with mental retardation usually present. The objective of this study was to correlate brain malformations and timing for surgery with neuropsychological evaluation. We also tried to determine other relevant aspects involved in cognitive development of these patients such as social classification of families and parents' education. Eighteen patients with Apert syndrome were studied, whose ages were between 14 and 322 months. Brain abnormalities were observed in 55.6% of them. The intelligence quotient or developmental quotient values observed were between 45 and 108. Mental development was related to the quality of family environment and parents' education. Mental development was not correlated to brain malformation or age at time of operation. In conclusion, quality of family environment was the most significant factor directly involved in mental development of patients with Apert syndrome.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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This paper aims at presenting an Interactive School Atlas prototype which was developed for cartography and environmental education. The methodology was based on the theoretical study about child mental development of Piaget theory, in order to elaborate strategies that allow the student a better comprehension about the spatial information understanding. It was defined as study case of sixth grade students, because they belong to the Formal Operation stage, in which the children reach the needed mental operations for understanding cartographic key concepts. This Atlas was developed in two stages: cartographic design and Atlas production. The Atlas implementation was developed seeking the use of Multimedia Cartography and animation resources that may attract students and teachers, instigating them to explore the tools and strategies to lead users to a correct interpretation of map contents. The Atlas was implemented by using the Macromedia Flash and Visual Basic softwares and the MapObjects library. Though the map has bot been evaluated yet, one should point out that it was designed according to the theoretical and methodological knowledge of the cognitive development and its relationship to cartographic conceptions, aiming at adapting the product to children cognitive skills.
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Neste trabalho, ao analisar a resposta de Piaget às críticas de Vygotsky, procuramos salientar convergências e divergências teóricas básicas colocadas pelo primeiro em relação ao segundo. Para isso, num primeiro momento, analisamos os esclarecimentos de Piaget sobre a realidade do fenômeno psicológico do egocentrismo cognitivo e linguístico; num segundo momento, analisamos as relações entre as noções científicas e espontâneas na criança. Num terceiro momento, analisamos a posição diferenciada de Piaget sobre os mecanismos que explicam o desenvolvimento e progresso do conhecimento. Concluímos que, na resposta de Piaget a Vygotsky, existe clara diferenciação do seu sistema teórico.
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Esta pesquisa pretendeu estudar o desenvolvimento cognitivo e as explicações sobre a causalidade das doenças em crianças hospitalizadas, particularmente a influência nas explicações da experiência com doenças e da escolaridade. Participaram da pesquisa cinqûenta crianças brasileiras internadas em um hospital público, com diferentes diagnósticos e idade variando entre cinco e nove anos. O desenvolvimento cognitivo e as concepções sobre as causas das doenças foram avaliados dentro de um referencial piagetiano. Como em estudos anteriores, as crianças processaram as informações numa seqüência cognitiva previsível. Entretanto, as crianças internadas mostraram atraso na aquisição da conservação, e explicações com poucos elementos subjetivos, sem referências à própria doença. As causas atribuídas às doenças foram similares às apontadas por crianças de outros países. Foi estatisticamente significativa a relação entre a complexidade das explicações e o número de internações. A maioria da amostra, independente da idade e nível cognitivo, atribuiu o adoecimento à desobediência, possível mecanismo adaptativo ao desamparo, resultado que parece trazer implicações a serem consideradas quando se abordam pacientes infantis.
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Nesta pesquisa investigou-se o nível de informação, percepção, motivos e sentimentos de escolares sobre a doação de sangue. 145 escolares do pré, 2ª, 4ª séries com seis, oito e 10 anos de idade foram submetidos a provas piagetianas, responderam uma entrevista, se posicionaram frente a um dilema. Verificou-se pouca informação e informações errôneas sobre a doação. A escola foi a fonte de informação menos citada. A maioria dos entrevistados tanto na entrevista, como no dilema, justificou a doação de sangue como um ato solidário, permitindo supor que valores como generosidade podem ser adquiridos na fase pré-operatória. Discute-se o papel da escola nos programas de Educação em Saúde voltados a comportamentos que serão emitidos a longo prazo e que beneficiam a coletividade.
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O objetivo deste estudo é analisar o resultado de intervenções psicopedagógicas no desempenho intelectual e em algumas funções cognitivas específicas em crianças provenientes de famílias de baixa renda, expostas a fatores pessoais e sociais adversos, como desnutrição, stress familiar, ambientes doméstico e de estimulação empobrecidos. Foram examinadas 63 crianças, alunas de escola, gratuita e em regime de semi-internato, que recebe crianças consideradas sob risco pessoal e social. Quarenta e três crianças receberam atividades que objetivam ativação cognitiva, durante período mínimo de 1 ano. Vinte crianças eram recém-admitidas. As técnicas da ativação escolhidas foram: método de aprendizagem ativa, com base em Piaget e método de ativação cognitiva para, através de exercícios psicomotores, desenvolver os pré-requisitos para aprendizagem e prevenção de dificuldades escolares, segundo Lambert. A avaliação das funções cognitivas mostrou: nível intelectual insatisfatório em 30% e médio ou superior em 70% e deficiências cognitivas específicas (noção do esquema corporal, percepção viso-motora, percepção de forma e perseveração) em 74%. Maior prevalência de crianças com inteligência superior (p < 0,05) associou-se a dois fatores: 1º: maior tempo de freqüência à escola (de 1 a 3 anos) e 2º: programas de ativação cognitiva. Não foram observadas diferenças entre os 2 grupos em relação à prevalência de alterações das funções cognitivas específicas examinadas. Os resultados demonstram que a recuperação de crianças com as dificuldades descritas é difícil. Exige investigação sistemática sobre os métodos psicopedagógicas selecionados e possivelmente, grande tempo de permanência da criança na escola, além de admissão mais precoce.
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No presente artigo, além de lançar mão de informações da literatura, como comumente se faz, peço licença e me autorizo a emitir sobre avaliação escolar, minhas próprias idéias e opiniões, fruto de muitos anos de investigação, vivência em salas de aula, problemas e reflexão.
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Autism constitutes one of the most important pathologies of the pervasive developmental disorders (PDDs). It has early age-onset and is characterized by delay and deviance of social, communicative and cognitive development. Today, the presence of genetic factors in its etiology is well known, with familial recurrence of autism and other psychiatric conditions. Autism does not have usual Mendelian inheritence and presents genetic heterogeneity. Strong association has been found between autism and the fragile X syndrome (FMR-1 gene) and with tuberous sclerosis (Bourneville's syndrome). However, many different chromosomal abnormalities were recently described in autistic patients, mainly of chromosome 7 and 15. There are some genes on 15q11-q13 whose products have expression in the central nervous system, mainly synapses, which are subunits of neurotransmitters or ion channels (UBE3A, GABRA5, GABRB3, GABRG3, CHRNA7 e ITO). Some regions of chromosome 7 also have important developmental genes, as EN-2 and HOXA, which act on central nervous system formation. There seems then to exist genes associated with autism etiology on chromosomes 7,15 and X. The detailed study of these chromosomes can produce knowledgment about the biological mechanisms involved in this disturbance.
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The Pervasive Developmental Disorders (PDDs) constitute a group of behavioral and neurobiological impairment conditions whose main features are delayed communicative and cognitive development. Genetic factors are reportedly associated with PDDs and particular genetic abnormalities are frequently found in specific diagnostic subgroups such as the autism spectrum disorders. This study evaluated cytogenetic and molecular parameters in 30 youths with autism or other PDDs. The fragile X syndrome was the most common genetic abnormality detected, presented by 1 patient with autism and 1 patient with PPD not-otherwise specified (PPD-NOS). One girl with PDD-NOS was found to have tetrasomy for the 15q11-q13 region, and one patient with autism exhibited in 2/100 metaphases an inv(7)(p15q36), thus suggesting a mosaicism 46,XX/46,XX,inv(7)(p15q36) or representing a coincidental finding. The high frequency of chromosomopathies support the hypothesis that PDDs may develop as a consequence to chromosomal abnormalities and justify the cytogenetic and molecular assessment in all patients with PDDs for establishment of diagnosis.
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Iron deficiency is the commonest nutritional deficiency in the world. Although it affects adults, particularly women of reproductive age and during gestation, the most vulnerable group is children under two years of age. It affects mainly people living in developing countries, who have less access to balanced diets and health services and are exposed to precarious sanitary conditions. Iron deficiency has an impact on the immunity, adult work capacity and the cognitive development of children. Combating and preventing iron deficiency is one of the priorities in promoting public health. The strategies to achieve this end include the evaluation and correction of iron deficiency in pregnant women, the encouragement of breast feeding, oral iron supplementation in premature and newborn babies of low birth-weight, food enrichment and mobilization of the community.
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Severe disabled children have little chance of environmental and social exploration and discovery, and due this lack of interaction and independency, it may lead to an idea that they are unable to do anything by themselves. This idea is called learned helplessness and is very negative for the child cognitive development and social development as well. With this entire situation it is very likely that the self-steam and mood of this child. Trying to help these children on this situation, educational robotics can offer and aid, once it can give them a certain degree of independency in exploration of environment. The system developed in this work allows the child to transmit the commands to a robot. Sensors placed on the child's body can obtain information from head movement or muscle pulses to command the robot to carry the tasks. Also, this system can be used with a variety of robots, being necessary just a previous configuration. It is expected that, with the usage of this system, the disabled children have a better cognitive development and social interaction, balancing in a certain way, the negative effects of their disabilities. © 2011 IEEE.
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Severely disabled children have little chance of environmental and social exploration and discovery. This lack of interaction and independency may lead to an idea that they are unable to do anything by themselves. In an attempt to help children in this situation, educational robotics can offer and aid, once it can provide them a certain degree of independency in the exploration of environment. The system developed in this work allows the child to transmit the commands to a robot through myoelectric and movement sensors. The sensors are placed on the child's body so they can obtain information from the body inclination and muscle contraction, thus allowing commanding, through a wireless communication, the mobile entertainment robot to carry out tasks such as play with objects and draw. In this paper, the details of the robot design and control architecture are presented and discussed. With this system, disabled children get a better cognitive development and social interaction, balancing in a certain way, the negative effects of their disabilities. © 2012 IEEE.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Ciências da Motricidade - IBRC