According to Paula Spencer Scott, "Participating in the arts can help people with Alzheimer's and related diseases forget what's lost and enrich what's left". This is from the article, "Tapping the Creative Brain", published in the newspaper, Parade: Stay Healthy, page 12, on August 13, 2017.
The arts, which may include anything creative from painting to dancing, help people with Alzheimer's and dementia communicate and brings them out of isolation.
As dementia affects the brain, it can awaken right brain creativity. Because these people live in the present, they are more open to and less self-critical of these artistic abilities, i.e., their inner artist is safe to emerge.
One withdrawn unhappy woman with dementia was described as "her lights are off" by her doctor. She was encouraged to revisit an old passion, painting. The woman was enlivened and created hundreds of beautiful paintings.
I cared for Mom for seven years and learned so much from my experiences with her and Alzheimer's.