The study, published in the journal Psychological Science, compared how well more than 300 students retained information after taking notes on 15-minute TED Talks either by hand or with a laptop. Across three different experiments, the researchers found that taking notes with a laptop can be detrimental to learning. Both groups performed about the same when recalling facts from the lectures half an hour later, but longhand note-takers were much better at recalling concepts.
I’ve known this to be true for myself for a very long time and from other past studies (hence the reason I do it). Nice to see it continue to be validated by science.