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Video Clips of Professor Richard Gregory on YouTube

Early years and influences

Cambridge 1947-1967 – Doing what I liked at the Applied Psychology Unit

Behaviourism – a maze of dead ends

Perception – inspired by the man who was born blind

The Necker cube and other illusions

Eye and Brain, 1st edition 1966; 6th edition 1998

Edinburgh 1967–1970 – the birth of artificial intelligence

Bristol University 1970 - science for kids and the Bristol Exploratory

Perceptions – Dalmation dogs and the image in the eye

Perceptions – where are colours?

Perceptions – signal to noise ratio

Perceptions – the creative nature of perception

Size Scaling – perspective and the Ponzo illusion

Size Scaling – the moon landing and the honorary colonel

Parallel Processing – eye and brain convergence

Illusions – departure from the truth

Illusions – the blind spot controversy

Illusions – flipping images and the hollow face

Illusions – Kanizsa and the ghost

Illusions – Bayesian theory and the probability of perception