I can't speak to the truth of that, but the conclusion the author tries to draw from it: "and hence how designers of e-learning materials need to avoid creatin

I can't speak to the truth of that, but the conclusion the author tries to draw from it: "and hence how designers of e-learning materials need to avoid creating cognitive overload." is totally ridiculous. His conclusion might be true, but unless he wants to posit the number of these consciousness bits expended on parts of e-learning software it doesn't follow from the premise.