That not Dementia. Thats MK Ultra. He (Joe) was fine until the speech ended. Then the "tape" inside his head ended and he was open to more programming. A "Glitch"
Britney's "keywords" are "spasm" and "weird." Al Roker's keywords were "Holy Ghost"
For what its worth, there were reports that the barber inside the shop where Britney cut her hair off heard Britney say "now they can't put electrodes on/in my head anymore…" Scary stuff.