The easy way to answer this question is to plug tiny extension to human brain so it grows connections. If it takes over parts of the brain, just iterate on step

The easy way to answer this question is to plug tiny extension to human brain so it grows connections. If it takes over parts of the brain, just iterate on step 1. You can cut off wetware parts as step 2 I guess. Are you going to be left with normal person that transferred to cyborg?