CuriousFerret
Posts: 68
Joined: 10/16/2012
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You on the other hand seem hell bent on taking the word of a theoretical scientist as pat. When they have a rat brain operated robot, that's pretty pat.
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And yet you still insist on saying the two brains are the same. They work in the same way. The human brain has some considerable differences in its structure, though, and it has both a much greater overall mass and much greater proportional mass.
Then there are other issues, such as mutations in the genes for different dopamine receptors. The cat brain has about the same receptors, right? But the issue is that their dopamine receptor D2 does something very weird. It gives them their urge to lick themselves. I'm really not kidding. Well, it's a good thing it does this because cats actually need this behavior to control their body temperature. However, I would love to know why it does this in cats specifically. Actually, it might have been D5 or D1 because it doesn't really make sense that it would be a receptor from the D2-like family...I read that article 5 years ago or something, so I can't be sure.
Genes and behavior gets even weirder. The body makes this protein called the disheveled-1 protein. If you disrupt it in mice, it inhibits their social behavior. Where they would usually organize themselves into a pile when they sleep, if you knock the gene out, they tend to disperse. Well, in humans, problems in the same gene don't have that effect, but problems in this gene are implicated in some incredibly rare diseases.
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And as for your brain link, it was a rat brain. I cannot stress this enough, we are talking about human brains aren't we? I could discover all there is to know about a rat brain right now, and still have no clue how the human brain works. The way they work is all but identical. There is a considerable amount of variation between the two species, though. For example, while corticosterone seems to be an amazingly important hormone in rodents and many non-mammalian species, it serves only as an intermediate corticosteroid in humans. How weird is that, right?
Nevertheless, rodents serve as excellent simple models for how the human body and mind work. That's why they're so widely used in research. The way their brains and bodies are put together, at a basic level, is more like ours than any living creature that is remotely commensurate with them in terms of convenience as lab specimens.
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I mentioned trepanning, it was one of the earliest forms of brain exploration. They thought that by drilling holes in the skull, we could cure brain related illnesses. Well, you also promised me pyramid hats.
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When the practice was used, every doctor was positive this was the correct choice. Were they correct, was simply drilling a hole into the skull going to fix insanity or cerebral palsy, hell no. Whether you want to admit it or not, evolution and simple common sense, explains more than the theory that I like carrots because I was genetically predisposed to.
I'm going to get back to working on my Latin.
< Message edited by CuriousFerret -- 10/23/2012 6:52:20 AM >
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