Brain complexity
Is the cerebellum in the pigeon larger or smaller than that of the shark?
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If you dissected a shark and a pigeon and compared the ACTUAL size of the cerebellum you would at first say that the shark is larger. However, you have to think of relative sizes. As ...
Solution Summary
This solution compares the complexity of the brain in two different animals. The solution highlights areas about structure that you need to keep in mind when considering the complexity of organisms.
Localization of Mental Functions
In the now famous case of "Phineas Gage", the damage in his prefrontal cortex (in the orbital and medial regions) resulted in a loss of reasoning abilities and an alteration of personality. On the other hand, confabulation (a type of memory disorder) has been associated with damage in different parts of the prefrontal cortex. How do we reconcile these findings to understand the functional localization in the brain?
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