- I've heard who have taken LSD are not fooled by this illusion. Is this true? : r/LSD
- Journey: Making a Hollow-Mask Illusion
- File:Hollow-face-illusion.gif - Commons
- Hollow-face illusion,artwork - Stock Image T478/0503 - Science Photo Library
- Optical illusion tricks your brain into thinking the face is inside out | Mail Online
- Hollow-Face - Wikipedia
- feat. Sam Martin (Original Mix) by Armin van Buuren, Sam Martin, AVIRA on Beatport
- Schizophrenics see through illusion | New Scientist
- The rotating mask - YouTube
- Einstein Face Illusion - Extraordinary Optical Illusion - Grand
- Hollow-Face - Wikipedia
- Optical illusion of a 'hollow mask' reveals shocking truths about the way your brain is wired - what see? | The US Sun
- Six-Month-Old Infants Perceive the Hollow-Face | Scholar
- Disruptions in neural connectivity associated with reduced susceptibility to a depth inversion illusion youth at ultra high risk for - ScienceDirect
- Face Mask - YouTube
- hollow mask illusion. The masks the left are (convex)... | Download Scientific Diagram
- Abby Wardill on Twitter: little mask illusion makeup this evening. by the Mimi Choi! ♡ #makeup #illusion # https://t.co/E8iwyPCV3z" / Twitter
- Category:Hollow mask illusions Commons
- The Rotating Mask - Signs Of A-typical - Psychology Network
- The Optical Illusion Explained
- Brains Fooled by Optical Illusion | WIRED
- BBC Two - Series I, I-Spy, Illusions With an Einstein
- Optical Mask Makeup is Going Viral on Reddit Photos Allure
- Hollow Illusion - YouTube
- Hollow Illusion - YouTube
- Schizophrenics see through illusion | New Scientist