090808homework - Homework due 9/9/08 Name _ Fields, D.R....

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Homework due 9/9/08 Name ________________________________ Fields, D.R. (April 2004) The other half of the brain. Scientific American. 54-61 1. What did Marion Diamond find to be unusual about the anatomy of Einstein’s Brain? What might this suggest about the role of glia in brain functioning? 2. What type of naturally occurring event in the brain activates Glia cells (i.e. causes calcium entry into the glia cell)? (calcium entry is a signal that increases intracellular metabolism in all cells of the body). How long after this event do glia show activation? 3. What evidence is there that an activated astrocyte (experiencing Ca++ influx) can communicate this activation to other astrocytes? 4. How does an action potential from an axon initially activate astrocytes (what is the messenger)? How can one block the ability of axons to activate astrocytes? How does one astrocyte communicate with another astrocyte? 5.
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This note was uploaded on 11/03/2009 for the course BIOS 177 taught by Professor Nyby during the Spring '09 term at Lehigh University .

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090808homework - Homework due 9/9/08 Name _ Fields, D.R....

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