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Flowers for Algernon

by Daniel Keyes
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When do you realize Charlie's intelligence is not permanent in Flowers for Algernon?

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*I just had this thought--If you are reading this in high school, you may be reading an abridged version of the story from your literature book-- in which case, you may not have the scene with Dr. Nemur's presentation from "Progress Report 13."   Check and see if you have...

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*I just had this thought--If you are reading this in high school, you may be reading an abridged version of the story from your literature book-- in which case, you may not have the scene with Dr. Nemur's presentation from "Progress Report 13."   Check and see if you have the full version of Keye's story or not--because it will make a difference for your answer.  

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Charlie, and the reader as well, both begin to have an inkling that his intelligence may not be permanent as he listens to Dr. Nemur's presentation in "Progress Report 13."  Charlie even realizes that Nemur did not take into account his rapid rise in intelligence, and that now, Charlie may even regress into a lower IQ than before the experiment.  Charlie becomes so upset that he releases Algernon from his cage, and then takes the mouse with him to New York.  

Keyes also reinforces his foreshadowing as Charlie begins to take note of Algernon's agressive tendencies.  Algernon's reversion is a huge warning sign that the same fate may be in store for Charlie.  

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