Thatcher Effect shows how the human brain perceives other people's faces

Effect Thatcher (Thatcher illusion) - a phenomenon in which it is difficult to detect local changes in the upside down portrait photos, despite the fact that the correct location of the photo, these changes are obvious. The effect is named in honor of British Prime Minister Margaret Thatcher in the photo is the first time this effect has been demonstrated.





The effect is illustrated overturned portraiture, in which the eyes and mouth are in the normal position. Photos seem to us quite normal, but if they turn over the wrong position of eyes and mouth immediately apparent. This proves that the brain perceives the image holistically based on the structural relationship between the facial features, but does not remember individually their shape and location.









via factroom.ru