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> Actually, it's surprising that people retained even 25% of their higher
> analytical skills at 300' - I don't know of anyone who won't freely
> admit they're narced out of their mind on air at that depth - I know I
am.
Considering this is interesting - if analytical capability is considered to
be IQ, then you're talking about the average IQ becoming 100. Even if your
IQ is 200 on the surface, you're battin 50. I don't dive w/ people whose
IQ
is 50. Ever.
> The 100' statistic is more surprising, not a single experienced
> diver I've ever met, including myself, thinks they are even minimally
> impaired at that depth. I'd love to take a look at that study, if
> you can find it.
Remember the old Martini rule? Every 50' of depth is like consuming a
martini? Don't know if its that bad but...
> Of course, there is the issue of how well the ability to solve complex
> analytical problems correlates to emergency resonse capability,
> but that's another point entirely...
I don't think so - that is the point. If you have learned responses or
have practiced emergency management for different situations, you can
respond to those situations. The reason we practice emergency management
is to give us the data needed to function in a real emergency. If I have
practiced something over and over, its not an emergency when it happens.
An emergency is something that is dangerous that happens that is not
expected. No matter how much you practice, you cannot come close to
covering every contingency. You can learn enough about your environment to
be able to solve new situations as they come up. But not if your IQ is 50.
> Right. That's why divers who expose themselves to high N2 levels
> should practice emergency management skills until they become an
> almost reflexive response. It's like martial arts - if your
> reaction requires higher processing than at the brain stem, then
> you don't stand a chance in a real combat match - and the only
> way to get to that level of training is practice, practice, practice.
Even martial artists who have practiced enough to attain Mu-Shin have to
use their brain in a match. They have to adapt and overcome whatever
obstacles are put in there way. The fact that they have practiced so much
that the responses seem to be automatic do not make them automatic - the
processors have to function.
> Of course, there are always events which cannot be prepared for,
> but proper, disciplined, regular training (and a healthy fear
> of dying) will cover the 95% range.
No - I don't think so. The space of potential problems is a combinatorial
one - figuring an all contingencies algorithm for this kind of problem
space
is an NP complete problem - you can't do it. The best you can do is train
for the most common problems, and hope that you develop the skills to
handle
the unexpected results. Again, a problem w/ an IQ of 50.
> For example, I would personally never even think about deep air for
> deep penetration or other relatively complex tasks, or for extended
> duration, but for bouncing to the bottom of a pinnacle in calm open
> water, I do, and will continue to, consider air as a viable alternative.
Whole point of this post - what do you do at the bottom of your spike if
the unexpected comes up. I have never understood the taking of a risk
then the option is available to not take the risk.
> Let's do a reality check here: raise your hand if you are a certified
> trimix diver and can honestly say you never went to 170' on air
> before getting advanced certification. Right. I thought so.
So? If I do something stupid out of ignorance, doesn't mean I have to
make a repeat performance when I learn better does it?
--
William E. Sadler e-mail:
wes@we*.co*
POTS Work: 770.465.1199
The only things in the middle of the road are Fax: 770.465.9960
broken yellow lines and squished possums. Home: 770.413.1957
--
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