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Objective: Hydration can favor cognitive functions during childhood and adolescence, helping with daily and school activities. This study aimed to identify possible interactions between hydration and memory in children and adolescents. Methods: This is a systematic review with meta-analysis. The bibliographic search was conducted in the MEDLINE/PubMed, SciELO, LILACS, Web of Science, Embase, and Cochrane Library databases, through a combination of the descriptors: “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”. Results: The search resulted in 816 articles, of which ten were selected for qualitative synthesis and two for the meta-analysis. The results indicated that hydration could not enhance working, visual and visuomotor memories, or visual attention (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). Conclusion: From the obtained results, hydration per se does not reinforce working, visual and visuomotor memories, or visual attention. However, there are still gaps regarding other types of memory and cognitive, motor, nutritional and environmental integration., 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.

Objective: Hydration can favor cognitive functions during childhood and adolescence, helping with daily and school activities. This study aimed to identify possible interactions between hydration and memory in children and adolescents. Methods: This is a systematic review with meta-analysis. The bibliographic search was conducted in the MEDLINE/PubMed, SciELO, LILACS, Web of Science, Embase, and Cochrane Library databases, through a combination of the descriptors: “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”. Results: The search resulted in 816 articles, of which ten were selected for qualitative synthesis and two for the meta-analysis. The results indicated that hydration could not enhance working, visual and visuomotor memories, or visual attention (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). Conclusion: From the obtained results, hydration per se does not reinforce working, visual and visuomotor memories, or visual attention. However, there are still gaps regarding other types of memory and cognitive, motor, nutritional and environmental integration., 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.

Objective: Hydration can favor cognitive functions during childhood and adolescence, helping with daily and school activities. This study aimed to identify possible interactions between hydration and memory in children and adolescents. Methods: This is a systematic review with meta-analysis. The bibliographic search was conducted in the MEDLINE/PubMed, SciELO, LILACS, Web of Science, Embase, and Cochrane Library databases, through a combination of the descriptors: “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”. Results: The search resulted in 816 articles, of which ten were selected for qualitative synthesis and two for the meta-analysis. The results indicated that hydration could not enhance working, visual and visuomotor memories, or visual attention (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). Conclusion: From the obtained results, hydration per se does not reinforce working, visual and visuomotor memories, or visual attention. However, there are still gaps regarding other types of memory and cognitive, motor, nutritional and environmental integration., 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.

Objective: Hydration can favor cognitive functions during childhood and adolescence, helping with daily and school activities. This study aimed to identify possible interactions between hydration and memory in children and adolescents. Methods: This is a systematic review with meta-analysis. The bibliographic search was conducted in the MEDLINE/PubMed, SciELO, LILACS, Web of Science, Embase, and Cochrane Library databases, through a combination of the descriptors: “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”. Results: The search resulted in 816 articles, of which ten were selected for qualitative synthesis and two for the meta-analysis. The results indicated that hydration could not enhance working, visual and visuomotor memories, or visual attention (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). Conclusion: From the obtained results, hydration per se does not reinforce working, visual and visuomotor memories, or visual attention. However, there are still gaps regarding other types of memory and cognitive, motor, nutritional and environmental integration., 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.