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Step 1: Unlock the secrets of the brain
Step 2: Instill some firkin ethics in the administration [hard!]
Step 3: Figure out the minimum-invasion method of hacking the brain
Step 4: Initiate rehab programs similar to this.

::rolls up sleeves:: Shouldn't be hard to get right to it, yes?

Step 3 is already possible without even requiring direct interfacing (which I think would be the preferable way to go about it where possible). It's step 2 that's going to be the major hurdle x_x