You know your 6ft tall friend hasn't turned into a hobbit just because they’re standing 50 yards away.

Ever wonder why you don’t freak out when a car drives away and "shrinks" to the size of a toy? Or why your white sneakers still look white at a dim house party? That’s at work.

Your brain "subtracts" the lighting so a red apple looks red whether it's under a blue fluorescent bulb or golden sunset.

A rectangular door is still a rectangle in your mind, even when it’s swung open at a sharp angle.

#Psychology #Perception #BrainPower #ScienceFacts #VisualIllusion Key Takeaways for Your Post Perceptual Constancy – Intro Psych Blog (F19)_Group 9

A piece of white paper looks white to you in a dark room, even if it’s technically reflecting less light than a piece of coal in the sun.