There are different types of mind control. Brainwashing is one and what you're stating is just another type of mind control.
Well, according to the wikipedia
Brainwashing (also known as mind control, menticide, coercive persuasion, thought control, thought reform, and re-education) is the concept that theYou must be registered to see the linkscan be altered or controlled by certainYou must be registered to see the linkstechniques. Brainwashing is said to reduce its subject’s ability toYou must be registered to see the linkscritically or independently,You must be registered to see the linksto allow the introduction of new, unwanted thoughts and ideas into the subject’s mind,You must be registered to see the linksas well as to change his or her attitudes, values, and beliefs
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I think that it is quite similar to what Martin The Geico Gecko and I have stated.
But, at the same time, I think that you are correct too. Their common sense perception is changed, because the influence caused by the serum he took. It is never implied if the effect over her minds could ver wear of.