It appears that one dose of the shrooms had positive effects observable for several weeks. That is very encouraging and hints at this being a practical treatment. (The word "transient" in the original title sets us up for disappointment, conjuring up the image of an experiment in which Alzheimer's symptoms are suspended for 20 minutes).

Questions linger about the long term use; what happens to someone who has been taking this dose, say, every two weeks for a year, or five years? Does even the second dose work as well as the first?