Eyes take in visual info, must have a memory process that takes previous patterns, match, appropriate response. Stages of recognition: break down pattern into its parts, the elemental features of the person or object, look at it as a whole. Is there damage between the link between the parts and as a whole. Video: he can see parts but not as a whole. Knows he s looking at a bunch of lines but he can t put them together. Looks the same to him because they have the same parts ex: upside down t and up right t. Breaks it down into parts, then put it together as a whole- larry would fail to put it back together. John can build something up, doesn t know what it is. Something that distinguishes our faces is the distance between our features. Improve our theories of mind, make a model with 3 see 5 on scan, and realize more complex.