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Project: Intelligence Amplification

 
 
sine
06:32 / 18.05.07
Okay, the summary was a bit of teaser maybe, but here's the idea that just struck me while I was trying to fall asleep: what existing science and local 'Lither ingenuity can we employ to make ourselves smarter? I suspect very few among us would turn down a few extra ticks on the IQ scale, despite what we might otherwise think about the value of standardized testing. I'm thinking in the practical here - I want to build something, and I want your help, and I want to make sure the whole kit-and-caboodle stays in the public domain.

Off the bat I'm drifting, on account of my background, to magnetic solutions, but I'm curious about some of the developments in low voltage direct currents as well. I'm willing to wager that this crew could assemble a great deal of useful data on the subject (yes, I'm looking at you here grant). I know this little forum doesn't get quite the same traffic as some of the other neighbourhoods on Barbelith, and it engages in even fewer practical projects, but this one seems to me like the sort of thing we might productively rally behind.

I tentatively suggest we don't spend too much time quibbling over what precisely constitutes intelligence on the whole - let's agree on two or three relatively discrete faculties and concentrate our efforts on those: perhaps short term memory, long term recall and problem-processing speed? Maybe the ability and talent for abstraction as well? I'm open to suggestions.

I'm going to start seeing what I can dig up on the field - I know there've been some surprising announcements in the field over the past decade, most ignored. I'm eager to see what we can turn up.

Thoughts? Links? Denouncements? Theories?
 
 
grant
13:34 / 18.05.07
Hmm. Everything I've read about that's coming immediately to mind has been chemical. I'm not sure exactly how the mechanisms work, either, on the cellular (or synaptic) level. (I'm not even sure I'm using the right language -- I mean the electrical charges traveling between nerve cells.)
 
 
Closed for Business Time
14:43 / 18.05.07
There seems to be loads of stuff on rTMS and tDCS (and the two combined, as here for example - although that particular study is concerned with motor learning more than higher mental functions. SO far, the overall picture (admittedly a bit sketchy) suggests that these two techs can be used to regulate neuronal plasticity and cortical excitability and thereby induce long-term potentiation and/or -depression. This study suggests an enhanced accuracy of working memory in a sequential letter task using tDCS, but a worsening after rTMS.. This article suggests tDCS can improve declarative memory when applied during slow-wave sleep phases.
And this review of the field of cognitive enhancement from famed transhumanists Nick Bostrom and Anders Sandberg is neat.

Ag. There's shitloads. But I struggle to make heads and tails of it. Where to start? How many meters of cabling?

PS: All articles subscription only. Although I'd be happy to dl and forward to anyone without access.
 
 
grant
18:44 / 21.05.07
It'd be nice to know what neurological mechanisms are actually responsible for things like long term memory and problem solving.

Any pointers on that?

Wikipedia just says "mechanisms not well understood."
 
 
Closed for Business Time
19:21 / 21.05.07
IMhumbleO, I believe Wikipedia is right on that. In general, long-term potentiation and l-t depression of synaptic strength is held to be the basis for both learning and memory, but even those phenomena are not fully understood, and the names indeed obscure the fact that there are many varieties of LTP and LTD. The wiki article seems quite good, link here.

Or? Anyone with information to the contrary, please submit your genius here.
 
 
Closed for Business Time
14:22 / 24.05.07
An interesting article on TMS in New Scientist in which researchers demonstrate local neurogenesis/LTP in rodents. We're getting there. We, as in they.
 
 
jentacular dreams
18:13 / 24.05.07
Many of you may know this already, but apparently (and it's new to me) nicotine enhances both learning and memory.

But smoking still isn't cool, kids.
 
 
Ilhuicamina
18:55 / 24.05.07
Headmice: nicotine also apparently reduces attention capacity.

I'm a smoker myself. Oy.

sine: you're clearly talking about a "gadget" of some sort. Something like a Cerebro helmet. Previous respondents are already way over my head, but I suspect most gadget-based attempts to do this will be not unlike hitting yourself in the head with a bat. As a sort of counterpoint: isn't it likelier that we can achieve "intelligence amplification" at the software level rather than the hardware level? (To mangle a metaphor. Yes, I know the brain isn't a computer...)
 
 
Drachir
13:09 / 05.08.07
Centrophenoxine is a cognitive enhancer: _ Link
Increased nerve fiber density could lead to permanent changes in brain microstructure?

Trans-Cranial Magnetic Stimulation is another possibility: Link

Only non medical research one I have been able to find are sold to alter states of consciousness : Link

This one uses cranial electrotherapy stimulation for the treatment of depression : Link

Before long our giant, throbbing heads could be used to dominate small moons and entrap hapless shiny suited space explorers.

: R
 
  
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