38+ Thatcher Face Illusion Background. The thatcher illusion has caused quite a stir amongst both scientists and the public. Scientists already knew that faces were difficult to recognize upside down.

Adele S Upside Down Face Is Creepy Because Of The Thatcher Effect Business Insider from i.insider.com

Edmonds and lewis, 2007) and rhesus monkeys (dahl et al., 2010) and is thought to occur because inverting a face disrupts the spatial sequence of features that distinguishes faces from other objects (i.e., an. It is named after the late british prime minister margaret thatcher. Share on facebook share on google+.

In the thatcher illusion as shown in the lower image, only the face shown in the middle panel appears to be funny.

Smith, who explained what the thatcher effect — also known as the thatcher illusion — is. Highly familiar faces were often thought to be processed in a pronounced configural mode, so they seem ideal candidates to be tested in one thatcher study against unfamiliar. The trick is based on something known as the hollow face illusion. In the thatcher illusion as shown in the lower image, only the face shown in the middle panel appears to be funny.