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added files and simulation scripts for Hagen et al (submitted)
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Espen Hagen
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Files and data used for the study: | ||
================================== | ||
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Hagen E, Fossum JC, Pettersen KH, Alonso JM, Swadlow HA, Einevoll GT. | ||
"Focal local field potential (LFP) signature of the single-axon monosynaptic | ||
thalamocortical connection" (submitted) | ||
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Files: | ||
====== | ||
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initialize_simulations.py: | ||
Defines parameters, initializes simulations, creates jobscripts, submits to | ||
cluster queue using the Slurm job manager. Adapt accordingly. | ||
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lfp_simulation.py: | ||
Main simulation procedure used for the LFP predictions | ||
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create_figures.py: | ||
Produce figures from simulation output | ||
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tools.py: | ||
Auxiliary function declarations and classes used by the above scripts | ||
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morphologies/*.hoc: | ||
morphology files converted to NEURON's HOC language | ||
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add_spines.hoc: | ||
HOC language file for modifying surface area dependent on spine density | ||
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data/*: | ||
Files with the experimental stLFPs from previous studies by | ||
Swadlow et al. (2002) and Stoelzel et al. (2008) | ||
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README.txt: | ||
This file | ||
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Workflow: | ||
========= | ||
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In order to generate all simulated data, the workflow is as follows: | ||
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- put all files on a compute cluster ideally running the Slurm job manager. | ||
If the cluster is using a different setup, adapt initialize_simulations.py | ||
accordingly. Make sure that all Python dependencies are met, installing | ||
various packages from Python package index for example | ||
(pip install <package-name> --user) | ||
- run initialize_simulations.py: | ||
$ python initialize_simulations.py | ||
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The script will delete all simulation output and corresponding files by | ||
default, create different parameter files with different md5 hashes | ||
in the subfolder "parameters" using the Neurotools.parameterspace module, | ||
jobscripts will be put in the folder "jobs". The script will also send all | ||
jobs to the queue before terminating. The folder "logs" should when jobs | ||
start contain various output for each job. The folder "savedata" should | ||
contain simulated data for each parametercombination. | ||
- Make sure no jobs are running with "squeue -u $USER" | ||
- Run the script create_figures.py to produce all figures | ||
$ python create_figures.py | ||
pdf images will be stored in this folder. | ||
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License: | ||
======== | ||
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Copyright (C) 2016 Espen Hagen | ||
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This program is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License as published by | ||
the Free Software Foundation, either version 3 of the License, or | ||
(at your option) any later version. | ||
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This program is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
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You should have received a copy of the GNU General Public License | ||
along with this program. If not, see <http://www.gnu.org/licenses/>. |
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// -------------------------------------------------------------- | ||
// Spines | ||
// -------------------------------------------------------------- | ||
// Based on the "Folding factor" described in | ||
// Jack et al (1989), Major et al (1994) | ||
// note, this assumes active channels are present in spines | ||
// at same density as dendrites | ||
spine_dens = 1 | ||
// just using a simple spine density model due to lack of data on some | ||
// neuron types. | ||
spine_area = 0.83 // um^2 -- K Harris | ||
proc add_spines() { local a | ||
is_spiny = 1 | ||
if (strcmp($s1,"dend") == 0) { | ||
forall { | ||
ifsec "dend" { | ||
a = 0 | ||
for (x,0) { | ||
a = a + area(x) | ||
} | ||
F = (L*spine_area*spine_dens + a)/a | ||
//print F | ||
L = L * F^(2/3) | ||
for (x,0) { | ||
diam(x) = diam(x) * F^(1/3) | ||
} | ||
//original algorithm; | ||
//a = 0 | ||
//for (x) print x | ||
//for(x) print diam(x) | ||
//for(x) a=a+area(x) | ||
//F = (L*spine_area*spine_dens + a)/a | ||
//L = L * F^(2/3) | ||
//for(x) diam(x) = diam(x) * F^(1/3) | ||
//for(x) print diam(x) | ||
} | ||
} | ||
} | ||
define_shape() | ||
} | ||
add_spines("dend") |
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