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The beam of light that flips a switch that turns on the brain

August 15th 2007 01:57
turning on the brain
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It sounds like a science-fiction version of stupid pet tricks: by toggling a light switch, neuroscientists can set fruit flies a-leaping and mice a-twirling and stop worms in their squiggling tracks.


And this is the house that Jack built? It sounds a bit like it doesn't it?

The New York Times brings us this information. Scientists are trying to solve the mystery of what goes wrong in the brain when to all intents and purposes it has not been damaged.

I thought if I provided you with a couple of pictures this would help you to decide if you want to go further with your reading. It is not for the faint of heart.

But some, at least, do want to know about these things, be it a lot or a little.


Light switch to brain
Fibre optics



Brain turn on
Brain gets going





brain research
brain research




Turn off the light
turn off the light



Such research benefits could extend beyond the realm of neuroscience: The Stanford group has sent DNA copies of the “on” and “off” light-switch genes to more than 175 researchers eager to try them in all stripes of electrically excitable cells, from insulin-releasing pancreas cells to heart cells.


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5 Comments. [ Add A Comment ]

Comment by Kleonaptra

August 15th 2007 02:36
YES my god yes - these studies are the beginnings of magic joining hands with science. Im utterly fascinated. Im trying to work out the link in genetics with submissive and active genes in each generation and this work with the brain is down the same road....These switches are turned on manually yet they have discovered an artificial way...Astounding.

Comment by katyzzz

August 15th 2007 02:44
Kleo,

Manually, like scratching your head or something,it's so good to see you, when are you going to get up off that floor?

Don't think too hard, it'll put you to sleep, you know.

katyzzz....glad you liked the post.

Comment by Louie

August 15th 2007 06:32
A personal trainer once told me if you turn the light on waking up isnt as hard...does that count?

Comment by katyzzz

August 15th 2007 07:21
EEEERRRR Louie,

I'm not sure, but it sounds feasible.

Nowadays I don't have much trouble waking up, but I don't really like getting up in the dark but I do turn the light on when stumbling around in the dark, does that count?

They say that people suffering from depression should get out in the sun, and there is such a thing as winter depression.

Are we on target with this one, somehow I don't think so, but we're not arguing are we?

katyzzz

Comment by katyzzz

August 15th 2007 07:24
And Louie, are you a leaping a twirling or a stop squiggling one? Just wondered.

katyzzz

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