suzanne smith (suzannes at vir.com) wrote:
:kspencer at s.psych.uiuc.edu (Kevin Spencer) wrote:
: >
: > jps at phantom.com (Jeffrey Soros) writes:
: >
: > >At present I'm looking for information that describes the differences and
: > >similarities between human brains and those of chimps and other
: > >primates. I'm particularly interested in instances where the human brain
: > >would NOT be considered superior. Any info or suggested avenues for
: > >research would be tremendously appreciated.
: I would imagine that the motor cortex of chimps is "better"
: developed than that of human brains, as would be the cerebellum for
: the same reason. I am referring particularly to the
: dexterity of the lower limbs.
There is probably more motor cortex dedicated to the hindlimb in chimps.
A better example is that the chip has a larger tail representation.
: In fact, anywhere you see dramatical behavioral differences between
: humans and chimps you would expect to see a correlated difference
: in cortical function. And in terms of your novel, you could
: probably work it so that what we would perceive as a "disadvantage"
: in fact turns out to be an advantage for a given scenario. For
: example, having a smaller prefrontal cortex makes a chimp less
: likely to contemplate the moral implications of a particular action
: than a human would in the same circumstance. Hence, the chimp
: saves the day by making a more timely decision .... etc.
Excellent point.
: Similarly, although it does not have to do so much with innate
: anatomical differences but rather with the upbringing, chimps are
: less likely (although I don't have references for you) to confuse
: the size of two lengths as humans do when the "arrows" at the tip
: of the line point in different directions. I.e. we would say
: that line A is shorter than B whereas a chimp would not:
: >------< line A
:: <------> line B
I think you are wrong here. If you have a reference, I would like
to see it. We are about to use a similar "compelling" optical
ilusion on a rhesus monkey.
: Ray
:rbourgeois at dawsoncollege.qc.ca
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Andrew Mitz, Biomedical Eng., National Institutes | Opinions are mine alone
of Health Animal Center, Poolesville, MD | arm at helix.nih.gov
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