Estimation of a Large-Scale Generalized Volterra Model for Neural Ensembles with Group Lasso and Local Coordinate Descent

Robinson, Brian ;   Song, Dong ;   Berger, Theodore

Tags Brain physiology and modeling – Neural dynamics and computationNeural signals – Nonlinear analysisBrain physiology and modeling – Neuron modeling and simulation

Estimation of neural models based on observed spike timing faces challenges as the amount of recorded units increases, especially when…

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Sparse Generalized Volterra Model of Human Hippocampal Spike Train Transformation for Memory Prostheses

Song, Dong ;   Robinson, Brian ;   Hampson, Robert ;   Marmarelis, Vasilis ;   Deadwyler, Sam ;   Berger, Theodore

Tags Brain physiology and modeling – Neural dynamics and computationBrain physiology and modeling – Cognition, memory, perceptionNeural signals – Nonlinear analysis

In order to build hippocampal prostheses for restoring memory functions, we build multi-input, multi-output (MIMO) nonlinear dynamical models of…

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