@Prometheus2

What and how much exactly do these unique perceptions of beauty of individuals have in common and why? — Prometheus2

Dr. V.S. Ramachandran, Director of the Center for Brain and Cognition and Distinguished Professor with the Psychology Department and Neuroscience Program at the University of California.

In this 1 hour long talk, dr Ramachandran explains in his typical humorous way how strucures in the brain give rise to our experience of beauty and aestetics. I think this is what you are looking for.