sscxemodelexamples

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README.rst

A universal workflow for creation, validation, and generalization of detailed neuronal models: demo
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Introduction
---------

The biophysically detailed electrical neuron model (e-model) is one of the central tools in neuroscience. Here we present a demo of the single neuron e-model creation, validation, and generalization described in `A universal workflow for creation, validation, and generalization of detailed neuronal models (Reva, Rossert et al) `_.

This demo is built on the example of L5PC of the SSCx in juvenile rat.

Structure of the codebase
~~~~~~~~~~~~~~~~~~~~~~~~~

.. image:: diagram.svg
	:width: 100%
	:align: center

The figure offers a visual representation of the codebase, showcasing its structure. Orange circles indicate the reproducible interactive Python notebooks (ipynb files), while blue circles represent the Python modules (py files). Pink circles correspond to the json files, which contain parameters for all cell types in the SSCx.

Although the demonstration primarily focuses on the L5PC example, we still provide the `configuration for all other cell types `_, `morphologies  `_ and the `mechanisms `_ as resources for the community.


Citation
--------
When you using methods or code from this repository for your research, we ask you to cite the following publication:

A universal workflow for creation, validation, and generalization of detailed neuronal models" (Reva, Rossert et al).

.. code-block::

	@article{reva2023universal,
		title={A universal workflow for creation, validation, and generalization of detailed neuronal models},
		author={Reva, Maria and R{\"o}ssert, Christian and Arnaudon, Alexis and Damart, Tanguy and Mandge, Darshan and Tuncel, An{\i}l and Ramaswamy, Srikanth and Markram, Henry and Van Geit, Werner},
		journal={Patterns},
		publisher={Elsevier},
		doi={10.1016/j.patter.2023.100855},
		url={https://doi.org/10.1016/j.patter.2023.100855},
		issn={2666-3899},
		year={2023}
	}

Pipeline
---------

.. image:: figures/pipeline.png

Figure illustrating all steps of the pipeline in detail. The pipeline consists of four steps: (1) feature extraction, (2) optimization, (3) validation, and (4) generalization.

1. E-feature extraction
~~~~~~~~~~~~~~~~~~~~~~~

The `feature_extraction `_ folder contains data and code that show how to the electrical features (e-features) are extracted from the voltage traces.

E-features are extracted for six L5PCs, their traces are located in the `feature_extraction/input-traces `_ folder.

The `requirements.txt `_ at the main directory needs to be installed to run the `feature-extraction.ipynb `_::

    pip install -r requirements.txt

2. Optimization
~~~~~~~~~~~~~~~

The `optimization `_ folder contains tools and codes necessary to run and display the result of the canonical e-model optimization.

Install the `requirements.txt `_ at the main directory and run `Minimal_cADpyr_L5TPC_Optimization.ipynb `_ to visualize the results of the optimization.

Prior to launching the notebook, one needs to compile e-model' mechanisms by running::

    sh compile_mechanisms.sh

The `optimization/opt_module `_ folder contains tools and data necessary for the optimization such as morphology, mechanisms, checkpoints, and config files.

3. Validation
~~~~~~~~~~~~~
Two types of validation were performed for the optimized L5PC e-model.

The visualization of the bAP/EPSP validations can be found in `validation.ipynb `_ notebook.

The morphologies for these validations are located in the `input/morphologies `_ folder.

To run bAP/EPSP validations use::

  python main.py att_conf.json

The `requirements.txt `_ at the main directory needs to be installed and the mechanisms need to be compiled with::

  nrnivmodl mechanisms

Somatic validations are located in the `somatic_validation `_ folder.

Note that this is the only step that does not use the ``requirements.txt`` in the main directory.

`somatic-val-requirements.txt `_ needs to be installed and the mechanisms need to be compiled with the following command before running the notebooks::

  nrnivmodl mechanisms

First, e-features for the validations have to be extracted from the chosen patch clamp protocol. To extract e-features use `feature-extraction.ipynb `_, the results of this extraction can be found in the `somatic_validation/L5TPC `_ folder. To run and visualize results of the somatic validation run `somatic-validation.ipynb `_.

4. Generalization
~~~~~~~~~~~~~~~~~

Once again the `requirements.txt `_ at the main directory needs to be installed.

The generalization of the canonical L5PC e-model to a number of morphologies is done with `BluePyMM `_.

To run a generalization use the `model-management.ipynb `_ notebook in `/model_management/mm_run_minimal `_ directory.

The morphologies used in the step can be found in the `/model_management/mm_run_minimal/morphologies/ `_ folder.


Testing
-------

Each step is of the pipeline contains tests.
Before running the notebooks, we recommend running the tests to make sure you will get the expected results.

To run the tests, simply execute the following command::

	make tests

Compiling all mechanisms
------------------------

Instead of manually compiling the mechanisms for each step of the pipeline, the following command can be used for compiling all mechanisms before running the notebooks::

	make compile-all-mechanisms

Requirements
------------

For the exact reproducibility of paper results, we recommend `NEURON>=7.8.0,<8.0.0` and repository code release version `1.0.1 `. Users with other versions may encounter some small discrepancies in results.
The `requirements.txt `_ at the main directory should be used for all steps except for the somatic validations.
Install `somatic-val-requirements.txt `_ before running the somatic validation notebooks or tests.


Funding
-------
This project/research was supported by funding to the Blue Brain Project, a research center of the cole polytechnique fdrale de Lausanne (EPFL), from theSwiss governmentsETH Boardof the Swiss Federal Institutes of Technology.

License
-------

This work is licensed under `Creative Commons (CC BY) 4.0 `_

For MOD files for which the original source is available on ModelDB, any specific licenses on mentioned on ModelDB, or the generic License of ModelDB apply.

Copyright (c) 2023-2024 Blue Brain Project/EPFL

.. |build| image:: https://github.com/BlueBrain/SSCxEModelExamples/actions/workflows/python-app.yml/badge.svg
                :target: https://github.com/BlueBrain/SSCxEModelExamples/actions/workflows/python-app.yml
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	:alt: license

.. |doi| image:: https://img.shields.io/badge/DOI-10.1016/j.patter.2023.100855-blue
                :target: https://doi.org/10.1016/j.patter.2023.100855

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