Will Rodman: At age 3, Caesar has completed puzzles ages 8 and up. He has been displaying cognitive skills that far exceed that of a human counterpart.
Will Rodman: You want me to take him? I can't take care of a monkey.
Robert Franklin: He's not a monkey! He's an ape.
Maurice: Hurt bad?
Caesar: You know signs?
Maurice: Circus orangutan. Careful humans don't like smart ape.
Dodge Landon: Get your stinking paws off me you damn dirty ape!
Steven Jacobs: You used an untested drug on your father. I could end your career with one phone call.
Will Rodman: Let me save you the trouble. I quit.
Chosen answer: No they most certainly did not. That wouldn't remotely be considered a particularly respectful homage! They picked Alzheimers because it's specifically a brain condition, which can then be explored in the movie as a plausible way of explaining the intelligence raising properties of the drug used.
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