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Shiari
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PostPosted: Mon 15 Feb 2010 9:04    Post subject: Reply with quote

But size *does* matter. Specifically, brain size as proportioned to body size.
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Solid
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PostPosted: Mon 15 Feb 2010 10:11    Post subject: Reply with quote

Not always, if a human brain functions at only 10% and we say find a species whose brain was smaller then ours but worked at full capacity. It is highly possible that species can have a higher intelligence that of a human. I can see what you mean by it, brain size does have some relevance however. I was try to show that despite a false statement on Grave part doesn't mean that she entirely wrong. Even though a dolphin brain isn't the smallest, it proves that brain size doesn't entirely show an animal intelligence.
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Shiari
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PostPosted: Mon 15 Feb 2010 18:50    Post subject: Reply with quote

Solid wrote:
Not always, if a human brain functions at only 10%


This is a common fallacious belief. We do NOT use *only* 10% of our brain. All of our brain is utilised. However, it's just not all used at the exact same time. If very large amounts of the brain all light up at the same time, we call that a seizure.
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Miru
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PostPosted: Mon 15 Feb 2010 19:17    Post subject: Reply with quote

Its not 10% of the brain, its 10% of your capacity for thought...
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Jasriella
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PostPosted: Mon 15 Feb 2010 20:35    Post subject: Reply with quote

Shiari wrote:
ShadowBeyondtheGrave wrote:

Dolphins have the smallest brain in the world and are the smartest animal.


Wait, WHAT? The smallest brain *in the world*? ... They have smaller brains than ants? Than gnats?

Methinks you should actually research before making such absurd claims. >_>


Actually ants technically don't have a brain. Most (if not all insects and bugs in general) don't have a brain at all. What they do have is a cerebral ganglion, which technically is not a brain though is often referred to as one.
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Solid
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PostPosted: Mon 15 Feb 2010 20:41    Post subject: Reply with quote

Shiari wrote:
Solid wrote:
Not always, if a human brain functions at only 10%


This is a common fallacious belief. We do NOT use *only* 10% of our brain. All of our brain is utilised. However, it's just not all used at the exact same time. If very large amounts of the brain all light up at the same time, we call that a seizure.


Alright, alright, I was trying to show Graves point. Nothing else, and I'd rather not get into this to much. Partly because animal biology is not my strong suit. Laughing

Thanks for the righting my wrong with the 10% crap.
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SkieFireYokana
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PostPosted: Mon 15 Feb 2010 23:38    Post subject: Reply with quote

Also note that scientists are looking into spindle neurons as being an explanation for the great apes' and humans' intelligence: we have considerably more than any other primate, and they're thought to be what permits quick social thought on, say, whether someone is feeling pleasure or pain. And if we're going by that rationale, then whales take the spotlight, since not only do they have more than we do, they have more proportional to their brain size and they have had them in their brains for more of their evolutionary history. Convergent evolution at its finest: two separate species as different as whales and humans have near-identical structures in their brains. Dolphins, interestingly, don't have them--as far as I'm aware--so this doesn't account for their intelligence. I haven't kept up on this hypothesis, but last I heard it was suggested that they evolved another method.

Also, to refute that dolphins' brains are any smaller than those of humans... look here. That's just after about a minute of looking around. So, like Solid, animal biology is not my strong suit... but please reaffirm your claims before making them, because I have a habit of checking them.

EDIT: Also, since I provided an unsupported claim above and criticized someone for making one exactly the same way, here. Note that I stand corrected on the point that dolphins do not have spindle neurons: this is why I prefer that claims be supported.
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Miru
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PostPosted: Tue 16 Feb 2010 2:19    Post subject: Reply with quote

I commonly use about 30% of my brain, its what causes my migraines.
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