Reality is created by the brain and uses past experiences to make sense of the world. But Professor Bruce Hood shows things are not always what they seem and demonstrates this with the Ames room and the Ponzo illusion. Bruce shows the brain is decieved by perceptive cues such as railway tracks and checked floors and the Ames Room can make people appear to shrink and grow!

This clip is part of the Christmas Lectures 2011 presented by Professor Bruce Hood - Lecture One: What's in your head?

View the full Lectures on the Ri Channel:
www.richannel.org/christmas-lectures/2011/meet-your-brain