The article discusses installation art and its potential contribution to a transdisciplinary research practice, in which not only artistic, but also aesthetic theoretical approaches could play a central role. However, as the article shows, this firstly requires a change in perspective concerning the way we approach art. Secondly, it entails changes to a common understanding of aesthetic theory and, thereby, philosophy. A term of central significance in this context is the notion of aisthesis. The article will illustrate these thoughts through (...) the examples of Bruce Nauman, Ilya Kabakov, and Arnold Berleant. (shrink)