Alzheimer; News from the web:

As Alzheimer’s causes more brain cells to die, it takes away the individual’s judgment and ability to reason that the image in front of them is his or her own reflection.

Mirrors or reflective surfaces can cause a great deal of uneasiness for those with Alzheimer’s disease because they don’t understand they are seeing a reflected image of themselves. A mirror presents an unknown person, perhaps someone from an earlier period of life, a younger version of the person or even a stalker or someone threatening from the past.

Read all about it HERE