Amelia is watching her baby sister shake a rattle. As long as the rattle is being shaken, all Amelia sees is a blur of color. She can only make out the shape of the rattle when the rattle stops moving. The "blurred" image that Amelia sees as long as the rattle is moving results from the way in which:

a. flashbulb memories are formed
b. iconic memory works
c. episodic memory is encoded
d. rehearsal occurs in short-term memory

B