The brain uses previous activity in order to adapt to an ever changing environment. This history
dependence adaptation takes place at all scales of organization of the nervous system. The objective of this theory
project is to develop a shared formalism that can be applied to multiple history dependent phenomena, from the
biochemical reactions that underlie synaptic plasticity, to the emergent patterns in complex neural networks. At
the core of this formalism is the recognition that most models of neuronal activity are based on the classical