Would cybernetic intellectual implants cause a human to go insane?

Recently I asked if hooking a processor, RAM and hard drive to a human brain is possible. Looks like it could be in a few decades, my question is if a human brain could handle this. The aim would be to improve the brain, but might the brain be overwhelmed by such rapid thinking, resulting in unwanted results such as insanity or brain death? I don't need an answer on the technology involved, just on the brains ability to withstand such changes.

Would cybernetic intellectual implants cause a human to go insane?
I don't know much about this subject but i can imagine the brain just shutting down, yet the human body is very adaptive as well. I would have to say that implemented RAM in the brain would be too much of a change, and the body would fight it as an intruder, would possibly screw up neurotransmitters.

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