Tampering with the brain of a modern man was significantly different from tampering with that of a caveman's.
The cavemen around him had an average IQ of seventy, at least that was what he figured. Even though the standard IQ tests from back on Earth could not be properly applied to the people around him, the fact of the matter was that cavemen were significantly less intelligent than he was.
Jimmy was an educated man. He used to be an Electrical Engineering student, and not to mention, his cognitive capabilities followed him from Earth, even if his current body wasn't the ideal example of an evolved, intelligent human. He was smart, and likewise, the sleeping clone in front of him was smart as well.
