When you drive a car, you have to execute several actions at the same time, and also pay attention to traffic. For this to take place, most of your actions are performed automatically. These are laid down in a separate memory in a specific part of the brain: the corpus striatum.
A lot of people think antidepressants are worthless. Is psychotherapy better than an antidepressant? There is no evidence for this. It seems to me that antidepressants suffer a disadvantage in our perception as compared to psychotherapy, in that their mechanism of action is quite invisible and not instinctively comprehensible.