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SoullessAutomaton comments on Ask LessWrong: Human cognitive enhancement now? - Less Wrong
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I stumbled on this critique of the Jaeggi et al. results which, while not conclusively damning, makes me somewhat suspicious of the reported effect on fluid intelligence.
Do you know of any further studies that have shown the same results?
The Klingberg group in Sweden have done somewhat similar experiments, with positive results in children with or without ADHD. See their publications: http://www.klingberglab.se/pub.html
Yes, I found their work while crawling cites as I mentioned earlier. They seemed to deal with improving working memory capacity, as opposed to fluid intelligence. These may be related, but aren't the same thing. Did I overlook any publications that were about intelligence instead?
Thank you. I didn't know of this critique and it seems pretty serious. No, I don't know of any followup studies.
After crawling cites a bit from Wikipedia and other sources it seems like there are, at least, studies indicating successful improvements in working memory capacity from cognitive training. The DNB task is incredibly demanding on working memory, so it seems likely it is successful at least for improving that.
Furthermore it seems that some researchers suspect deep connections between working memory capacity and fluid intelligence, so there's still a plausible connection here--which makes the methodological issues even more frustrating.