How the Brain Recognizes Faces (IMAGE) Goethe University Frankfurt Caption The black and white transitions which indicate shadow borders (red arrow) and those which are object edges (green arrow) are marked on the left Mooney face. The middle image shows an upside-down image lit from above, while the image on the right is inverted and lit from below. Credit GU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.