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Compressed Sensing for Network Networks

Code for "A Compressed Sensing Framework for Efficient Dissection of Neural Circuits." Yonar and Lee et. al. (2019) Nature Methods 16, pages126–133

Compressed Sensing based method for identifying key neurons/units in biological and artificial neural networks

Identify Key Neurons

This part includes the code for the inference of key neurons from behavioral data obtained from optogenetic screen as well as the code for inferring the key neurons in artificial neural network.

Sparse Solution

This script infers key neurons in controlling speed of locomotion in C. elegans neural network using behavioral data and the measurement matrix.

SparseSolution.ipynb

Compressed Sensing on nonlinear Artificial Neural Network

Application of compressed sensing framework on a nonlinear artificial neural network trained to recognize handwritten digits to assess feasibility of the method.

CompressedSensing_ANN.ipynb

This script loads a trained network used in the paper. You can re-train a new model if you wish by uncommenting the corresponding cells.

Robustness Analysis

This part includes the false negative/positive rate simulations and Arch efficiency simulations using corrupted measurement matrices.

Simulations

  • "FalseNegPosRate_Simulatuions.m" calculates the false negative false positive rates in identifying the essential interneurons.
  • "Arch_Efficiency_Simulations.m" obtains 1000 sparse solutions using 1000 corrupt measurement matrices to determine robustness of the solution to variations in the levels of archeorhodopsin expression.

False Neg/Pos Rate Simulations

This code will analyze three measurement matrix sizes by default. To choose just one, change line 7 of run.sh.

Arch Efficiency Simulations

1000 corrupt matrices were used to check robustness of the solution to errors in measurement matrix.


Dependencies

The code is tested in Python 2.7 and 3.6 and Matlab2017b, and on MacOs 10.13 and Ubuntu 16.04

miniconda 4.3 + the libraries below should be enough to run this part. dill==0.2.6
jupyter==1.0.0
Keras==2.1.3
h5py==2.8.0
matplotlib==2.2.2
scikit-learn==0.19.2
seaborn==0.8
tensorflow==1.10.0

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