17 SEP 2013 by ideonexus
Neurons are Domesticated Cells
You really don't have to worry about one part of your laptop going rogue and trying out something on its own that the rest of the system doesn't want to do. No, they're all slaves. If they're agents, they're slaves. They are prisoners. They have very clear job descriptions. They get fed every day. They don't have to worry about where the energy's coming from, and they're not ambitious. They just do what they're asked to do and do it brilliantly with only the slightest tint of comprehension. Y...
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But they are also slightly feral. Neurons compete with one another, the brain works by neural pruning, natural selection. Cells that don't get used are allowed to die. Thus, neurons are motivated to survive, to have some independence.
04 APR 2013 by ideonexus
The BRAIN Initiative
As humans, we can identify galaxies light years away, we can study particles smaller than an atom. But we still haven’t unlocked the mystery of the three pounds of matter that sits between our ears. (Laughter.) But today, scientists possess the capability to study individual neurons and figure out the main functions of certain areas of the brain. But a human brain contains almost 100 billion neurons making trillions of connections. So Dr. Collins says it’s like listening to the strin...
1 Text of Obama's comments on the initiative itself.
