An experiment on a simpleton turns him into a genius. When he discovers what has been done to him he struggles with whether or not what was done to his was right.
As the story of a personality in crisis, it works.
– Roger Ebert,
Chicago Sun-Times,
23 Oct 2004
rotten:
I'm told by someone whose opinion I respect that the novel was very moving and very sad. The movie is not. It's science-fiction without gadgets, a horror film without thrills.