I'm only on DNB - 7 atm. This is because I shook things up a bit by
changing the "letter" sounds to "piano" sounds as well as increasing
"lure trials" from 12.5% to 35%.
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Piano sounds - Musical training has demonstrated that it can increase
verbal WM and hearing to an extent by augmenting auditory
discrimination capabilities. Thus, I personally think that the
increase results from a perceptual (low-level cognitive ability -
discrimination of sounds) and maintenance (high-level cognitive
ability - e.g. rehearsal of sounds) perspective. Hence, using piano
sounds is likely to be more beneficial than most other sound
modalities in BW, particularly the default setting, "letters".
Lure trials - I chose to increase the "lure trials" (interference
settings - tricky stimulus generation) because research directed at
demonstrating a correlation between intelligence and the n-back task
generally revealed a stronger correlation as the lure trials increased
(e.g. those with higher intelligence scores scored higher than those
of lesser scores on higher "lure trial" settings).
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I recommend the implementation of both changes for those users that
are achieving high n-levels (6+) (Jelani Sims in particular = n-12,
come on now it's time to crank it up a notch or two), but beware, it
is quite tough (it's supposed to be anyway!).
On Jun 4, 10:25 am, Jelani Sims <
gouki...@gmail.com> wrote:
> I've been doing DNB since the group started, I haven't noticed anything out
> of the ordinary in terms of cognition. But I never took a before and after
> IQ test and I haven't really done anything that I found mentally difficult
> before. So it's very hard for me to gauge mental improvements with nothing
> for me to base it on. I also changed my diet, started mindfulness meditation
> and exercising around the same time I started DNB, in an overall attempt to
> delay brain decline. Making it even more difficult to attribute anything
> directly to DNB. What I can say is I have been stuck on 12 for 4 months now,
> each level was increasingly more difficult to pass and 12 seems to be some
> sort of temporary plateau.
>
> On Fri, Jun 3, 2011 at 5:34 PM, The.Fourth.Deviation. <
davidsky...@gmail.com