Neurobiology Assessment (CNS)
Directions:  Treat this set of questions as a take-home assessment.  You are to give very complete and detailed answers.  I should not have to guess at what you mean.  Your answers should serve as explanations to someone who has never formally studied neurobiology.  Responses are to be typed (diagrams may be attached).

Note: The answers to these questions require you to expand upon what you have already learned.  This is not simply a regurgitation of material covered.  You will have to look in chapters in your text other than the few we covered dealing with the CNS.

1. The spinal cord can be described as a two way street (ascending and descending).  Give a specific example of the source, destination, and type of signal that might each be sent from the "up" and "down" pathways.

2. Convolutions are the foldings of the brain that give it the appearance of a bunch of noodles.  What is t [he advantage of your brain being configured this way?

3. In what ways is the cerebellum similar to the cerebrum?

4. What are the four generalizations of the cerebral cortex made by your book?

5. The general interpretation area of the brain involves translating one type of "knowing" into another.  An example of this is supplied in your text. Give another.

6. What is the limbic system and what is its role in behavior?  What are the main  structures which comprise this system?

7.   Mammals, say a dog or cat, for example, exhibit a number of behaviors.  Which behaviors can you say with certainty are in their "nature" and which were shaped by the environment?

8. Describe some influences (at least 2, but shoot for 3) that make it so difficult to differentiate between a physiological cause of a behavior or physical trait and an environmental cause?

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