Geometric Illusions: Mind-Blowing Tricks and Optical Deceptions

The video explores various perceptual and geometric illusions, explaining how they trick the brain into perceiving different geometric properties. It covers simple illusions like the Delboeuf and Hering illusions, as well as complex ones like the Ponzo illusion. The video also introduces impossible objects such as the Penrose triangle and discusses the psychological basis of these illusions, including the role of afterimages and unconscious inferences.

What is the Kanizsa triangle and how does it create the illusion of a triangle?

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Discuss the Penrose triangle and why it is considered an impossible object.

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How do afterimages occur and what role do photoreceptors play in this phenomenon?

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