The center of advanced european studies and research (caesar) is an Institute of the Max Planck Society and does research in the field of Neurosciences, Cell Biology, and Biophysics. The research focuses on signal processing in cells, in particular neurons or neuronal networks. 

Caesar uses modern photonic, molecular biological, and chemical methods as well as methods of microtechnology. The focus is put on kinetic, microscopic, and spectroscopic methods to study and control cellular activity.