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Atividade física, reserva cognitiva e estado cognitivo em idosos

Authors: Coutinho, Bárbara Magalhães da Silva Salvador;

Atividade física, reserva cognitiva e estado cognitivo em idosos

Abstract

Introdução: Vários estudos apontam no sentido de um papel significativo da actividade física no envelhecimento. Procurou-se avaliar este papel de forma objectiva, bem como compará-lo com o papel da reserva cognitiva. Metodologia: Recorreu-se a uma amostra de conveniência de 39 sujeitos, saudáveis, com idade entre os 65 e os 86 anos. Para além de uma entrevista clínica breve, aplicou-se o CRIq, o Digit-Symbol, o Digit Span Inverso e o Stroop. Recorreu-se ao coeficiente de correlação de Pearson e a regressões lineares. Resultados: Não se observaram correlações significativas entre os resultados nas provas que avaliavam os mecanismos cognitivos e a actividade física. A reserva cognitiva foi o único contribuidor para a cognição. Conclusões: Sugerem-se, para estudos futuros, medidas mais objectivas de actividade física, bem como recorrer a uma amostra mais ampla e representativa da população.

Introduction: Several studies point towards physical activity having a positve and meaningful role in aging. This study aimed to assess this role objectively, as well as compare its contribution to aging with cognitive reserve’s role. Method: Our convenience sample was composed of 39 healthy subjects, with ages between 65 and 86. After a brief clinical interview, ch subject completed the CRIq, the Digit Symbol Substitution test, inverse Digit-Span and Stroop Test. We used Pearson’s correlation coeficiente and multiple regression analysis. Results: No significative correlations were found between any od the cogntiive measures and the physical activity measures. Cognitive reserve was, on this study, the only contributor to cognition. Conclusions: For future studies, we suggest more objective measures for physical acvitiy, as well was a wider and more representative sample.

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Portugal
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Keywords

Reserva cognitiva, Criq, Healthy aging, Cognition, Envelhecimento saudável, Physical activity, Actividade física, Cognitive reserve, Cognição, Ypas, Domínio/Área Científica::Ciências Médicas::Ciências da Saúde

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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