content: There are a number of drugs that help with Parkinson's disease. FYI they do things similar to the amphetamine series of stimulants but are not stimulants. I am not a true expert, but i expect that if it had progressed enough that the drugs were wearing off in the middle if the day, her behavior would be radically altered. Instead what we see is that she is fairly normal, does something bizarre for a few seconds, does something unusual for a few more seconds, and then goes back to normal.