This web exhibit was first built in 2000 by Patricia Anne Kinser, Haverford College, under the direction of Paul Grobstein, Bryn Mawr College. The updated version of Comparative Neuroanatomy and Intelligence is now online at http://serendip.brynmawr.edu/exchange/brains. This old version has been archived in place, and will continue to be available for teachers and students who are using it.

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Compare Brain and Body Sizes

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The Neuron- Up Close and Personal

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What is the relationship between brain and body size??

In this table, all the animal heads are approximately in proportion to each other (and each respective brain is in relation to its owner). Can you look at this table and make any observations about brain and body size?

human brain
human
baboon brain
baboon
monkey brain
monkey
camel brain
camel
dolphin brain
dolphin
kangaroo brain
kangaroo
cat brain
cat
raccoon brain
raccoon
rabbit brain
rabbit
squirrel brain
squirrel
frog brain
frog

(You can look again at this chart to see the approximate values for brain/body lengths and weights)

What if all these animals had the same body size?

What if all these animals had the same brain size?

Why should I care about this kind of comparison??

Huh? Can we start over?




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