👁‍🗨️
Visual Illusions
AP Psychology · Sensation & Perception
Perceptual Processing

Illusions reveal the heuristics (rules of thumb) our brain uses to interpret ambiguous 2D retinal images as a 3D reality through Top-Down processing.

Select Illusion
Müller-Lyer Illusion
Ponzo (Railway) Illusion
Ebbinghaus (Titchener)
Tags
PerceptionTop-Down ProcessingGestaltOptical Illusion
Müller-Lyer Illusion
Which horizontal line is longer?
Adjust Fin Angle
Slide to bend the arrows in or out to create/destroy the illusion.
Converging Depth
Adjust the track convergence to simulate linear perspective depth.
Context Size
Adjust the size of the surrounding context circles.