From the sound of it, there doesn't seem to be any compelling reason
to prefer it to regular fish oil - the toxic part seems bad (have the
krill oil manufacturers put in place the same filtering processes as
the fish oil people?), it's probably more expensive since it's much
more obscure, and there's a lack of any studies about any benefits or
how it compares to fish.
--
gwern
http://www.gwern.net
Heading "Additional Game Modes", about 2/3 of the way down the page.
god bless all
*PEACE*
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I'm curious to see how they respond.
Jonathan
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Dual n-back training improves performance on a particular type of IQ
test and on simple tests of working memory.
We don't know exactly why performance on that IQ test improves. Some
people suspect that it's because that test was timed, and dual n-back
training makes you think faster, but doesn't affect your ability to
comprehend complexity. Others think that it directly improves your
ability to comprehend complexity. The data that we currently have
cannot tell the difference between these two ideas.
In any case, it improves your cognitive ability in some way.
In addition to the three studies that have been published so far,
there are also a lot of anecdotal reports that have been posted on
this email list. Some of the users have found no noticeable effects,
but most of those who post here have noticed effects. That doesn't
mean that it works, of course. Those who have noticed effects report
that it has improved their reading speed and retention ability, their
concentration and focus, their academic performance, and their
performance on standardized tests like the GMAT and LSAT.
This suggests that the cognitive improvements which dual n-back
training produces are probably useful improvements.
Dual n-back training is young, so there's still a lot of uncertainty
about all of this. It's possible that it doesn't work at all, and that
the first three studies were simply false and the anecdotal reports
are simply due to the placebo effect. We certainly don't know what
exactly dual n-back training changes in the brain. But given the
evidence we currently have, the probability that it is helpful is
pretty good.
Is that simple enough?
Jonathan
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