Pallis reported in detail the case of a man with a right posterior cerebral artery infarct, who told him: I found out all faces were alike. I couldn’t tell the difference between my wife and my daughters. Later I had to wait for my wife or mother to speak before recognizing them. My mother is 80 years old … I have difficulty in recognizing certain kinds of food on my plate, until I have tasted or smelled them. I can tell peas or bananas by their size and shape