CA1 network model for place cell dynamics (Turi et al 2019)

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Biophysical model of CA1 hippocampal region. The model simulates place cells/fields and explores the place cell dynamics as function of VIP+ interneurons.
1 . Turi GF, Li W, Chavlis S, Pandi I, O’Hare J, Priestley JB, Grosmark AD, Liao Z, Ladow M, Zhang JF, Zemelman BV, Poirazi P, Losonczy A (2019) Vasoactive Intestinal Polypeptide-Expressing Interneurons in the Hippocampus Support Goal-Oriented Spatial Learning Neuron
Model Information (Click on a link to find other models with that property)
Model Type: Realistic Network;
Brain Region(s)/Organism: Hippocampus; Mouse;
Cell Type(s): Hippocampus CA1 pyramidal GLU cell; Hippocampus CA1 basket cell; Hippocampus CA1 basket cell - CCK/VIP; Hippocampus CA1 bistratified cell; Hippocampus CA1 axo-axonic cell; Hippocampus CA1 stratum oriens lacunosum-moleculare interneuron ; Hippocampal CA1 CR/VIP cell;
Channel(s): I A; I h; I K,Ca; I Calcium; I Na, leak; I K,leak; I M;
Gap Junctions:
Receptor(s): GabaA; GabaB; NMDA; AMPA;
Simulation Environment: NEURON; Brian;
Model Concept(s): Place cell/field;
Implementer(s): Chavlis, Spyridon [schavlis at]; Pandi, Ioanna ;
Search NeuronDB for information about:  Hippocampus CA1 pyramidal GLU cell; GabaA; GabaB; AMPA; NMDA; I A; I K,leak; I M; I h; I K,Ca; I Calcium; I Na, leak;
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
Created on Thu Mar 22 15:18:16 2018

@author: spiros
import sys
def spiketimes_path_load(learning):
    import pickle, os
    import numpy as np

    os.system('mkdir -p '+fsave)
    my_list = ['Control','No_VIPcells','No_VIPCR', 'No_VIPCCK', 'No_VIPPVM', 'No_VIPNVM', 'No_VIPCRtoBC','No_VIPCRtoOLM' ]
    nruns       = 5
    trials      = 7
    Npyramidals = 130
    for ntrial in range(1, trials+1):
        print "TRIAL: "+str(ntrial)
        spiketimes_all = {}
        path_all       = []
        for nrun in range(1, nruns+1):
            print "RUN: "+str(nrun)

            ### Load PATH and SPIKETIMES of Pyramidal npyr
            # Load of path -- different for each run
            if learning=='prelearning':
                pathd = '../make_inputs_linear_track/runs_produced_by_python_prelearning/run_'+str(nrun)
                pathd = '../make_inputs_linear_track/runs_produced_by_python_speed_pos/run_'+str(nrun)
            path = np.loadtxt(pathd+'/path.txt','int',delimiter=',')
            Aspiketimesdict = {}
            for npyr in range(Npyramidals):
                Aspiketimes = {}
                for case in my_list:
                    cond  = '../Simulation_Results'+inum+'/'+learning+'/'+case
                    fileload = cond+'/Trial_'+str(ntrial)+'/Run_'+str(nrun)+'/spiketimes_pvsoma_.pkl'
                    if os.path.isfile(fileload):
                        with open(fileload, 'rb') as f:
                        spiketimes = spiketimes_load[npyr]
                        #remove first entry -- aka pyramidal number
                        spiketimes  = spiketimes[1:]
                        spiketimes  = [x for x in spiketimes if x < path.shape[0]]
                        print "File does not exist."

                    Aspiketimes[case] = spiketimes
                Aspiketimesdict['Pyramidal'+str(npyr)] = Aspiketimes
            spiketimes_all['Run'+str(nrun)] = Aspiketimesdict
        with open(fsave+'path_all_trial_'+str(ntrial)+'.pkl', 'wb') as handle:
            pickle.dump(path_all, handle, protocol=pickle.HIGHEST_PROTOCOL)   
        with open(fsave+'spiketimes_all_trial_'+str(ntrial)+'.pkl', 'wb') as handle:
            pickle.dump(spiketimes_all, handle, protocol=pickle.HIGHEST_PROTOCOL)      

learning = sys.argv[1]

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