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Scatterplots of a relationship between water intake during a school day and cognitive performance in the corsi block-tapping task. (A) No association for score and water amount below cut-off (n = 131). Non-linear positive association for longest path and water amount below cut-off (n = 129). (B). No association for score/longest path and percentage of estimated water intake below cut-off (n = 92/n = 90).
