Angus Chadwick, Mark CW van Rossum, Matthew F Nolan
A new model for phase precession accounts for theta sequence generation, suggests critical roles for interneurons, and predicts circuit properties to optimise memory storage.
A close approximation to the successor representation is learnt by a simple spike-time-dependent learning rule between cells undergoing theta phase precession.
A computational framework and analysis of rodent CA1 data reveals that theta oscillations sequentially sweep through the past, present, and future at a spatial scale that varies with the characteristic speed of the animal.
A mouse virtual reality system is presented which allows normal spatial behavior and place, grid and head-direction cell firing patterns in 2-D arenas, and is compatible with electrophysiology and multi-photon imaging.
Angus Chadwick, Mark CW van Rossum, Matthew F Nolan
Independent coding without synaptic coordination explains complex sequences of population activity observed during theta states and maximizes the number of distinct environments that can be encoded through population theta sequences.