Sequences and Modularity of Dynamic Attractors in Inhibition-Dominated Neural Networks

Presented at: Neuroscience 2021
C.E. Credits: P.A.C.E. CE Florida CE
Speaker
  • Professor and Co-Associate Head of Graduate Studies, Department of Mathematics Pennsylvania State University
    BIOGRAPHY

Abstract

Threshold-linear networks (TLNs) display a wide variety of nonlinear dynamics including multistability, limit cycles, quasiperiodic attractors, and chaos. Over the past few years, we have developed a detailed mathematical theory relating stable and unstable fixed points of TLNs to graph-theoretic properties of the underlying network. These results enable us to design networks that count stimulus pulses, track position, and encode multiple locomotive gaits in a single central pattern generator circuit.

Learning Objectives: 

1. What types of attractors that can be encoded in inhibition-dominated neural networks? Can multiple dynamic attractors coexist in the same network?

2. What neural network functions or computations can be performed by threshold-linear networks? Give two examples.
 


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