Male gaze/default male and seeing Jesus in a piece of toast:
www.thetimes.co.uk/article/seeing-tricky-dicky-in-a-pepper-its-sex-bias-m7zpczjxg
'It is as if our brain treats male as the default category and then needs extra information to change its mind and see a basic facial representation as female.
The big question, said Wardle, is why would this be? She and her colleagues are looking to repeat the work on children, to see if they respond differently — indicating part of the effect may be explained by social conditioning. There is also a suggestion that it could be hardwired.'