%From "A biophysical model of striatal microcircuits suggests delta/theta-rhythmically interleaved gamma and beta
% oscillations mediate periodicity in motor control"
%Julia A. K. Chartove, Michelle M. McCarthy, Benjamin R. Pittman-Polletta, Nancy J. Kopell
%Department of Mathematics & Statistics, Boston University, Boston, MA
%
%This runfile simulates a single model striatal fast spiking interneuron.
% Define equations of cell model (same for all populations)
eqns={
'dV/dt=Iapp+@current; monitor functions;';
};
numcells = 1
% Create DynaSim specification structure
spec=[];
T0 = 4000; %run length of simulation
%somatic compartment
spec.nodes(1).name = 'soma';
spec.nodes(1).size = numcells;
spec.nodes(1).equations = eqns;
spec.nodes(1).mechanism_list = {'somaGolombK','somaGolombKdr','somaInput','somaGolombNa','somaLeak'};
spec.nodes(1).parameters = {'v_IC',-90, 'Tfinal', T0, 'Iapp',0};
%dendritic compartment
spec.nodes(2).name = 'dend';
spec.nodes(2).size = numcells;
spec.nodes(2).equations = eqns;
spec.nodes(2).mechanism_list = {'dendGolombK','dendGolombKdr','dendGolombNa','dendInput','dendLeak','dendiMultiPoissonExp'};
spec.nodes(2).parameters = {'v_IC',-90, 'Tfinal', T0, 'Iapp',0};
%conductances between compartments
spec.connections(1).direction = 'soma->dend';
spec.connections(1).mechanism_list = {'somaDendiCOM'};
spec.connections(1).parameters = {'gCOM', .5};
spec.connections(2).direction = 'dend->soma';
spec.connections(2).mechanism_list = {'dendSomaiCOM'};
spec.connections(2).parameters = {'gCOM', .5};
% "Vary" parameters, aka parameters to be varied -- run a simulation for all combinations of values
%in this example: vary tonic input, but maintain baseline DAergic conditions (no additional input) and other default values
vary={
'(dend)', 'tonic', [7:14]; %applied current
'(soma,dend)', 'DA', [0]; %dopamine level (baseline)
'(dend)', 'rate', [0]; %poisson noise input rate
'(soma,dend)', 'gd', [6]; % D current conductance
'(dend)', 'tau_i', [1]; %poisson noise input amplitude
'(soma,dend)', 'gl', [0.25]; %leak current conductance
'(soma-dend,dend-soma)', 'gCOM', [0.5]; %compartmental conductance
};
% Set simulation parameters
cluster_flag = 0;
overwrite_flag = 0;
save_data_flag = 1;
save_results_flag = 1;
verbose_flag = 1;
compile_flag = 0;
disk_flag = 0;
downsample_factor = 10;
% local run of the simulation,
% i.e. in the interactive session you're running this same script in
[~,~]=dsSimulate(spec,...
'save_data_flag',save_data_flag,'study_dir','single_cell',...
'cluster_flag',cluster_flag,'verbose_flag',verbose_flag,...
'overwrite_flag',overwrite_flag,'tspan',[0 T0],...
'save_results_flag',save_results_flag,'solver','rk4',...
'compile_flag',compile_flag,...
'copy_run_file_flag',1, 'copy_mech_files_flag',1, ...
'disk_flag',disk_flag,'downsample_factor',downsample_factor,...
'vary',vary, 'dt', .01, ...
'plot_functions',{@dsPlot,@dsPlot,@dsPlot,@dsPlot},...
'plot_options',{{'plot_type','waveform','format','png'},...
{'plot_type','rastergram','format','png'},...
{'plot_type','density','format','png'},...
{'plot_type','power','format','png',...
'freq_limits',[0 100]}});