Physiological illusions
Physiological illusions are illusions that use colors and placement to confuse your eyes and they make you see things happening in the picture when really nothing is happening at all. I will show you some examples below
As you can see the one on the left makes it look like the white dots are appearing and disappearing but really nothing is happening at all. It uses colors and the placement of the dots. The one on the right the dots are disappearing but when you look at the plus it will looks like there is a green dot that is eating the pink dots but there is actually no green in the whole illusion. All it is is he pink and the background colors that are messing up your brain because blended together they look like a light green.