From Primitive Parts, A Highly Evolved Human Brain
from NPR's Morning Edition on 9 August
http://www.npr.org/templates/transcript/transcript.php?storyId=129027124
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Two great analogies by Dr. David Linden
"If there were a giant with her head in Baltimore and her toe off the coast of South Africa, and she was bit by a great white shark on the toe on Monday, she wouldn't feel it until Wednesday, and she wouldn't jerk her toe until Saturday."
"[Brain evolution]" is like adding scoops to an ice cream cone. So, if you imagine the lizard brain as a single-scoop ice cream cone, the way you make a mouse brain out of a lizard brain isn't to throw the cone and the first scoop away and start over and make a banana split; rather, it's to put a second scoop on top of the first scoop."
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