There are a lot of regulatory concerns with these technologies due to this fear. Deep Brain Stimulation implants see the patient growing steadily accustomed to

There are a lot of regulatory concerns with these technologies due to this fear. Deep Brain Stimulation implants see the patient growing steadily accustomed to greater levels of stimulation - withdrawing the stimulation triggers deep existential depression. This isn't as significant of a concern with a patient who has chronic untreatable major depression. But there is a legitimate fear that these implants could be used to disastrous effects on healthy individuals.