Using modern portfolio theory, investors can build portfolios that maximize return for a given level of risk or minimize risk for a desired level of return. Since its introduction by Henry ...

Plate tectonics is geology’s Theory of Everything. The realisation in the 1960s that Earth’s crust is made of fragments called plates—and that these plates can grow, shrink and move around ...

which are formalized using a general theory that includes non-linear resonance and Hebbian plasticity. First, we review the developmental literature on musical rhythm, highlighting several ...

How the brain performs this nonlinear operation remains elusive. Hebbian assemblies are one possibility whereby strong recurrent excitatory connections boost neuronal activity. However, such Hebbian ...

Drawing upon the ideas of context reinstatement and multiple trace theory, we argue that memory retrieval is ... the formation of a cellular assembly for a specific engram through Hebbian plasticity ...