Though it could be argued that both papers were trying to figure out why glucose = bad (the first, testing perceived sweetness, and the second, glycemic response)
I dunno. I’ve only read the abstract [1], but I feel like the second paper was like, “glucose = bad because of glycemic response? Nope!” And the first paper was just like, “glucose = bad”
That is, the earlier paper noticed that consuming glucose/sucrose-containing beverages reduced cognitive performance compared to consuming beverages with no glucose, and the later paper was trying to figure out why. And to figure out why, the second paper compared glucose and isomaltulose (glucose-containing saccharides with different glycemic responses) to see whether a sugar’s predicted glycemic response could account for the differences in cognitive performance noticed in the earlier study between beverages with glucose and those without.
[1] This second paper’s abstract doesn’t mention glucose vs. no glucose’s effects on cognitive performance like the earlier paper does.
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