The Hollow-Face illusion is perhaps one of the coolest pieces of visual trickery known to mankind, and its awesomeness is only equaled by its simplicity. When a concave (hollow) face mask is ...

Stephen Fry and the panelists on the BBC show QI are struck by the strange motions of the inverted face of Albert Einstein demonstrating the Hollow Face Illusion, and a little side-variation of the ...

Rockville, Md. – A person's prior knowledge of the geometry of faces affects his or her ability to estimate distance and complete visually guided reaching tasks according to a study published in the ...

We’ve written about the Hollow Face Illusion before. It will get you every time. But in order to be fooled by something that shouldn’t be, you need to know how things should be. There is a class of ...

Patients with schizophrenia are able to correctly see through an illusion known as the 'hollow mask' illusion, probably because their brain disconnects 'what the eyes see' from what 'the brain thinks ...

Explore the fascinating world of visual illusions, including the mesmerizing Paper Dragon illusion and the Hollow Face Illusion. There's a lot of interest in visual illusions at the moment thanks to ...

Telling the front from the back of a mask can be more difficult than it seems. Thanks to an effect called the hollow-mask illusion, the brain can have trouble deciding if the image is convex or ...

(CBS News) I love magic tricks and optical illusions. A few months back I showed you an amazing, must-see one involving water, some sound and a change in the way the camera perceived what was ...