On Tue, Aug 28, 2012 at 8:09 AM, Platonist Guitar Cowboy <
multiplecit...@gmail.com> wrote:

> Finally we have the whole story and truth:
> Direct link to PDF in question:
> http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&ved=0CDMQFjAD&url=http%3A%2F%2Finfam.antville.org%2Ffiles%2Fpnas%2F&ei=A7o8UNPENsil0AWCh4CAAg&usg=AFQjCNEnTJj8p7H1m6w40c3PXKIOgjQgQA
> Link to abstract:
> http://www.pnas.org/content/early/2012/08/22/1206820109.abstract
> Thank God Lewis Carroll, Victor Hugo and Alexander Dumas; such jazz greats
> as Louis Armstrong, Cab Calloway, Duke Ellington and Gene Krupa; and the
> pattern continues right up to modern-day artists and musicians such as the
> Beatles, the Rolling Stones, the Eagles, the Doobie Brothers, Bob Marley,
> Jefferson Airplane, Willie Nelson, Buddy RIch, Country Joe & the Fish, Joe
> Walsh, David Carradine, David Bowie, Iggy Pop, Lola Falana, Hunter S.
> Thompson, Peter Tosh, the Grateful Dead, Cypress Hill, Sinead O'Connor,
> Black Crowes, etc.
> Of course, smoking marijuana only enhances creativity for some and not for
> others. But so glad to have proof, that they all had to pay for their sins
> in terms of neuropsychological decline.
> It makes you dumb. Science has spoken. Dumb, lazy pot smokers
> under-performing in IQ-Tests. Nothing beats long-term evidence and a sample
> size of 1000.
> :) Good science.

Interesting paper.  One thing thing that stood out was that while most
sub-test scores showed declines, there was a general increase in picture
completion tests.  I wonder if other brain regions/functions might
similarly be enhanced, such as musical talent, creative writing, etc. Which
some of the people above are noted for and which IQ tests do not measure.
Also, I am not sure we can take this result as proof of causation.  It does
convincingly show a correlation, but the authors of the paper might not
have accounted for all confounding factors.  Perhaps abstainers care more
about their health and maintaining it, for example, and not only smoke less
or not at all but exercise more and/or eat better.


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