Abstract and conceptual art inspires higher reasoning, and activates various areas of the brain, allowing for new cognitive associations and thought processes. In a way, it's a workout for our minds and emotions, at the same time freeing it of constraints.
This was for a photography challenge, and it instilled a new respect for artists who create in these styles. Even within seeming chaos or randomness, there are elements necessary to tie them together. Not easy to achieve, I found.