In order for a human brain to “see” something external, the data patterns captured by the eyes must be associated with related patterns stored in memory. When they match, the mind accurately perceives things. Thus, prior education greatly influences the correctness of what people see…or are blind to.

“I’m related to George Washington,” an acquaintance announced after searching his genealogical record. He also believes he is closely related to chimpanzees. Though he doesn’t really look like either, all three do share a lot of similar features.