I’ve been meaning to post this for a while. Here are a couple of excellent art-related videos on Youtube.
Vilayanur Ramachandran on Neurobiology and Aesthetics (Skip to 21m:45s):
Roger Scruton on Beauty (6 parts):
Denis Dutton: A Darwinian theory of beauty:
There is a great wealth of information online these days, but so much of it is hard to find. If anyone else has recommendations, please post them in the comments.