Mind-Bending Hollow Face Illusion 🤯👤

Learnsthis on Instagram: "The hollow-face illusion (or hollow-mask illusion) is a classic optical trick where the inside of a concave mask is perceived as a normal, convex face. How the Illusion Works Brain Expectation: Your brain is biologically hardwired to expect faces to be convex (protruding outwards). This "top-down" knowledge is so strong that it overrides "bottom-up" sensory data, like shadows and depth cues, which should tell you the mask is hollow. The "Following" Effect: As you move p