How the system works is that the bus stop diffuses the sense of panic. For instance, if a delusional patient decided that she needed to go home immediately because her children were all alone and waiting for her, the attendant didn’t need to restrain her or talk her out of it, she simply said, “Oh, well, there’s the bus stop.” Thus, the patient would go sit and wait. Knowing that she was on her way home, she would relax and, given her diminished cognition, she would eventually forget why she was there. Staff can then approach the patients and tell them that the bus is delayed and invite them in for refreshments while they wait. Five minutes later they have completely forgotten they wanted to leave.This system has become so successful that many nursing homes throughout Germany and Europe have built these “fake bus stops”.
via theiacp.org