Bottom-up design is an approach to information processing that involves piecing together components and systems to form grander, more inclusive overall schemes.  Bottom-up processing is how we are able to form a single perception of reality from multiple sources of sensory input.  Though this design is one typically involved in synthesis I prefer to apply it to my artistic research process.  My research involves specific and in-depth study of a multitude of seemingly unrelated concepts; really, they are just ideas and information I find interesting.  Once I have assimilated the information I can use it.  Through contemplation I find the unseen connections between the random pieces, and gradually, a larger structure emerges- or rather, my understanding makes me able to perceive the more complex system.