Not totally sure why Alzheimers requires a poster (and it wouldn't be great as an educational tool) - BUT, I think the design is very powerful. The darkness and the way the word trails off into nothin (Beauty Design Poster)
This is using the Gestalt principle where we are using positive and negative space. The negative space of the coffee cup is actually a person talking and the top of the coffee cup comes out to be a thought bubble.
The meaning of the word "missing" is portrayed frm the absences of stem of the letter "i". By leaving the titles, it portrays that a part of the letter has been removed, reinforcing the meaning of "missing".