Three visual illusions that reveal the hidden workings of the brain https://t.co/dKhhRDOkQR https://t.co/mRHtbb7Jt5

Three visual illusions that reveal the hidden workings of the brain https://t.co/dKhhRDOkQR http://pic.twitter.com/mRHtbb7Jt5

— Jerry Rosser (@psychologyofjoy) July 29, 2017