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Working memory tasks & persistent activity
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Classroom Contents
Deep Learning of Dynamical Systems for Mechanistic Insight and Prediction in Psychiatry
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- 1 Intro
- 2 What is a dynamical system?
- 3 Attractor states in state space
- 4 Working memory tasks & persistent activity
- 5 Memory patterns as attractor states
- 6 Limit cycles ...
- 7 Limit cycles in motor behavior
- 8 Action/ thought sequences as "heteroclinic channels"
- 9 Altered dynamics in psychiatric states
- 10 Dynamical systems as a central layer of convergence
- 11 Recurrent Neural Network → time series
- 12 Making RNN deep in time
- 13 Piecewise-Linear (PL) RNN
- 14 Line-attractor regularization
- 15 Performance on ML benchmarks
- 16 Line-attractors and solving long-range tasks
- 17 Sequential MNIST benchmark
- 18 Generative PLRNN for dynamical systems
- 19 Reconstructing dynamical systems
- 20 Statistical inference for small data: Expectation.Maximization
- 21 Expectation-Maximization Algorithm
- 22 Statistical inference for big data: Sequential VAE & SGVB
- 23 Simple ahead prediction errors may be meaningless
- 24 Reconstructing DS benchmarks
- 25 Reconstructing DS: Lorenz system
- 26 Enforcing line attractor directions helps to capture multiple time scales
- 27 Inferring PLRNN from fMRI data
- 28 Does PLANN really capture measured dynamics?
- 29 Example 1. Unstable neuronal representations in schizophrenia
- 30 Example 2: Inference of dynamical systems from mobile data
- 31 Prediction of medical intervention effects
- 32 Take home's
