Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...

further details and examples of stimuli are shown in Fig ... observers correctly perceived an object undergoing rigid oscillatory motion, in synchrony with their own head movements.

Dr. Filipek answers the question: 'Examples Of Repetitive Motion/Behaviors?' Oct. 23, 2008 -- Question: What are some examples of repetitive motion/behaviors characteristic of someone with autism?

They are made from flat layers of material; some of these are rigid and hold their shape ... "I'm sure people have seen in examples of origami - you can use folding to create fantastically ...