Unlike the T series Terminators, the I series are not factory built machines. Skynet decided that the best way for one of its terminators to act human was to start out with a human and add technological enhancements where necessary. The I-950 starts out as a baby with a neural net processor attached to its brain, providing an uplink to Skynet. To condition it physically, it is coaxed with holographic toys to crawl until it is exhausted. After four years, it is given an injection that rapidly ages it to maturity to finish its training. In an effort to blend in better with humans, the I-950 is allowed to feel emotions, but the range is limited by one of its cybernetic implants. Because it is far more human than machine, dogs are not alerted to its presence, and the infiltrator can go undetected for extremely long periods of time inside a resistance base.