Here is a little illusion game that you can play online. It illustrates how vision works.

I am reading a book called "Neural Engineering". It is a framework or theory of how the brain can be modeled in terms of Engineering, with theories derived mostly from Electrical Engineering.

Engineering students will have to add these kind of courses to their study programs. It is interesting to see how Engineering is embracing fields that only 10 years ago were considered really far away, such as Biology and Neuroscience.