Part 1:  Email Cheryl a brief summary of the pros and cons of block and
event-related designs, using specific examples from the data you played
with in class.  End with a statement about when you might want to use
a block design and when you might want to use an event-related design.

Part 2:  What kind of pulse sequence do you usually use to run an fMRI
experiment?  What makes it a *functional* MRI experiment? How do you
control the temporal resolution and duration of each scan?