>im doing a report on echolocation for my biology class . . . My
>thesis statement is certain areas of the brain should be enlarged to
>determine dolphin echolocation. . .is this a good assumption or
>should I change it?
Not only that, but other areas not used are reduced. Back in the
1980s a student of mine, Kendal Morris, and I produced an
illustration for a children's book for National Geographic
(Dolphins, our friends in the sea) which compared the brains of a
chimp, a dolphin, and a rabbit with particular areas of the brain
color-coded, including areas for smell and hearing.
You have a good assumption. Your statement is a bit awkward though.
The word 'determine' doesn't seem right here. I would try something
like: because dolphins use a sophisticated form of bio-sonar, it
would be expected that certain areas of the brain used for processing
sound would be enlarged relative to other parts of the brain compared
with other higher mammals.
I hope this helps.
Cheers,
Pieter Folkens
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