The document discusses how the brain and vision system can create optical illusions like the Kanizsa Triangle, where three pacmen shapes seem to partially overlap and form a triangle that does not actually exist. It recommends the book "Visual Intelligence: How We Create What We See" by Donald D. Hoffman for more insight into how the brain constructs our visual reality.

1. The Kanizsa Triangle
Watch as your brain
Creates a “fiction”
Right before your eyes

16. For more insight into how your brain
And your vision system
Create things
Visual Intelligence:
How We Create What We See
by Donald D. Hoffman