For me, when I read an engaging book it's like my brain is seeing a movie of the events, complete with color, motion and even sometimes audio. There's nothing i

For me, when I read an engaging book it's like my brain is seeing a movie of the events, complete with color, motion and even sometimes audio. There's nothing in my field of vision but my brain is stimulated in the same ways. I also experience this when recalling vivid memories.