E-Mail IMAGE: Not only do we see faces in everyday objects, our brains even process them for emotional expression. view more Credit: University of Sydney It's so commonplace we barely give it a second thought, but human brains seem hardwired to see human faces where there are none - in objects as varied as the moon, toys, plastic bottles, tree trunks and vacuum cleaners. Some have even seen an imagined Jesus in cheese on toast. Until now scientists haven't understood exactly what the brain is doing when it processes visual signals and interprets them as representations of the huma...