"...We can gain insights into the origin and nature of aesthetic judgment. For example, neurobiological monitoring...[has] shown that the brain is most aroused by patterns in which there is about a 20 percent redundancy of elements..."

[joseph berg]

"...We can gain insights into the origin and nature of aesthetic judgment.
For example, neurobiological monitoring...[has] shown that the brain is
most aroused by patterns in which there is about a 20 percent redundancy of
elements..."

http://harvardmagazine.com/2012/05/on-the-origins-of-the-arts