Há relação funcional entre hidratação e memória em crianças e adolescentes? Uma meta-análise.
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Resumo
Objetivo: A hidratação pode favorecer as funções cognitivas durante a infância e adolescência, auxiliando as atividades cotidianas e escolares. Portanto, objetivou-se identificar as possíveis interações entre a hidratação e memória em crianças e adolescentes. Métodos: Trata-se de uma revisão sistemática com meta-análise. A busca foi realizada nas bases de dados MEDLINE/PubMed, SciELO, LILACS, Web of Science, Embase e Cochrane Library, por meio da combinação dos descritores: “hydration” AND “memory”; “hydration” AND “memory” AND “child”; “hydration” AND “memory” AND “children”; “organism hydration status” AND “memory”; “organism hydration status” AND “memory” AND “child”. Resultados: A estratégia de busca resultou inicialmente em 816 artigos, dos quais 10 foram selecionados para a síntese qualitativa e dois para a meta-análise. Os resultados indicaram que apenas hidratação não foi capaz de potencializar as memórias de trabalho, visual, visuomotora e atenção visual (Line Tracing Task, MD 0.67, 95% CI -0.87 to 2.22; Indirect Image Difference, MD 0.32, 95% CI -0.75 to 1.40; Letter Cancellation, MD 1.68, 95% CI -0.81 to 4.17). Conclusão: A partir dos resultados obtidos, apenas a hidratação per si não fortalece as memórias de trabalho, visual e visuomotora e a atenção visual. Entretanto, ainda há lacunas sobre outros tipos de memória e a integração cognitiva, motora, nutricional e ambiental.
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