Motion aftereffect is the perception of non existent motion after being exposed to a stimulus. This is caused by fatiguing the neurons which were stimulated by the illusion. This causes the neurons to over-compensate as the brain attempts to keep up. This over compensation continues to take place after the original stimulus has ended thus causing an illusion. I found this illusion to have worked well and I thought I would be a cool video to share.
I hope you enjoy, P.S. reading out loud is not necessary.