CA1 pyr cell: Inhibitory modulation of spatial selectivity+phase precession (Grienberger et al 2017)

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Accession:225080
Spatially uniform synaptic inhibition enhances spatial selectivity and temporal coding in CA1 place cells by suppressing broad out-of-field excitation.
Reference:
1 . Grienberger C, Milstein AD, Bittner KC, Romani S, Magee JC (2017) Inhibitory suppression of heterogeneously tuned excitation enhances spatial coding in CA1 place cells. Nat Neurosci 20:417-426 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Neuron or other electrically excitable cell; Realistic Network;
Brain Region(s)/Organism: Hippocampus;
Cell Type(s): Hippocampus CA1 pyramidal cell;
Channel(s):
Gap Junctions:
Receptor(s): NMDA;
Gene(s):
Transmitter(s):
Simulation Environment: NEURON; Python;
Model Concept(s): Active Dendrites; Detailed Neuronal Models; Place cell/field; Synaptic Integration; Short-term Synaptic Plasticity; Spatial Navigation; Feature selectivity;
Implementer(s): Milstein, Aaron D. [aaronmil at stanford.edu];
Search NeuronDB for information about:  Hippocampus CA1 pyramidal cell; NMDA;
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GrienbergerEtAl2017
morphologies
readme.txt
ampa_kin.mod *
exp2EPSC.mod
exp2EPSG.mod
exp2EPSG_NMDA.mod
gaba_a_kin.mod *
h.mod
kad.mod *
kap.mod *
kdr.mod *
km2.mod
nas.mod
nax.mod
nmda_kin2.mod
nmda_kin3.mod
nmda_kin5.mod *
pr.mod *
vecevent.mod *
batch_EPSP_attenuation.sh
batch_place_cell_r_inp.sh
batch_place_cell_record_i_syn.sh
batch_place_cell_single_compartment.sh
batch_place_cell_subtr_inh.sh
batch_place_cell_subtr_inh_shifted.sh
batch_place_cell_subtr_inh_vclamp.sh
batch_process_i_syn_files.sh
batch_rinp.sh
batch_spine_attenuation_ratio.sh
build_expected_EPSP_reference.sh
build_expected_EPSP_reference_controller.py
build_expected_EPSP_reference_engine.py
consolidate_i_syn_files.py
consolidate_tracked_spine_data.py
fit_parameter_exponential_distribution.py
function_lib.py
optimize_AMPA_KIN.py
optimize_dendritic_excitability_020416.py
optimize_GABA_A_KIN.py
optimize_NMDA_KIN2.py
parallel_branch_cooperativity.sh
parallel_branch_cooperativity_no_nmda.sh
parallel_clustered_branch_cooperativity_nmda_controller_110315.py
parallel_clustered_branch_cooperativity_nmda_engine_110315.py
parallel_EPSP_attenuation_controller.py
parallel_EPSP_attenuation_engine.py
parallel_EPSP_i_attenuation_controller.py
parallel_EPSP_i_attenuation_engine.py
parallel_expected_EPSP_controller.py
parallel_expected_EPSP_engine.py
parallel_optimize_branch_cooperativity.sh
parallel_optimize_branch_cooperativity_nmda_kin3_controller.py
parallel_optimize_branch_cooperativity_nmda_kin3_engine.py
parallel_optimize_EPSP_amp_controller.py
parallel_optimize_EPSP_amp_engine.py
parallel_optimize_pr.sh
parallel_optimize_pr_controller_020116.py
parallel_optimize_pr_engine_020116.py
parallel_rinp_controller.py
parallel_rinp_engine.py
parallel_spine_attenuation_ratio_controller.py
parallel_spine_attenuation_ratio_engine.py
plot_channel_distributions.py
plot_NMDAR_kinetics.py
plot_results.py
plot_spine_traces.py
plot_synaptic_conductance_facilitation.py
process_i_syn_files.py
record_bAP_attenuation.py
simulate_place_cell_no_precession.py
simulate_place_cell_single_compartment.py
simulate_place_cell_single_compartment_no_nmda.py
simulate_place_cell_subtr_inh.py
simulate_place_cell_subtr_inh_add_noise.py
simulate_place_cell_subtr_inh_add_noise_no_na.py
simulate_place_cell_subtr_inh_no_na.py
simulate_place_cell_subtr_inh_no_nmda_no_na.py
simulate_place_cell_subtr_inh_r_inp.py
simulate_place_cell_subtr_inh_rec_i_syn.py
simulate_place_cell_subtr_inh_shifted.py
simulate_place_cell_subtr_inh_silent.py
simulate_place_cell_subtr_inh_vclamp.py
specify_cells.py
                            
TITLE K-A channel from Klee Ficker and Heinemann
: modified to account for Dax A Current ----------
: M.Migliore Jun 1997

NEURON {
    SUFFIX kap
    USEION k READ ek WRITE ik
    RANGE gkabar,gka,ik
    RANGE ninf,linf,taul,taun
    RANGE vhalfn,vhalfl
    GLOBAL lmin,nscale,lscale
}

UNITS {
    (mA) = (milliamp)
    (mV) = (millivolt)
    (mol) = (1)
}

PARAMETER {
    temp    = 24                    (degC)
    gkabar                          (mho/cm2)

    vhalfn  = 11                    (mV)
    a0n     = 0.05                  (/ms)
    zetan   = -1.5                  (1)
    gmn     = 0.55                  (1)
    pw      = -1                    (1)
    tq      = -40                   (mV)
    qq      = 5                     (mV)
    nmin    = 0.1                   (ms)
    nscale  = 1

    vhalfl  = -56                   (mV)
    a0l     = 0.05                  (/ms)
    zetal   = 3                     (1)
    lmin    = 2                     (ms)
    lscale  = 1

    q10     = 5
}

STATE {
    n
    l
}

ASSIGNED {
    v           (mV)
    ik          (mA/cm2)
    ninf
    linf
    taul        (ms)
    taun        (ms)
    gka         (mho/cm2)
    qt
    celsius     (degC)
    ek          (mV)
}

INITIAL {
    rates(v)
    n=ninf
    l=linf
}        

BREAKPOINT {
    SOLVE states METHOD cnexp
    gka = gkabar*n*l
    ik = gka*(v-ek)
}

DERIVATIVE states {
    rates(v)
    n' = (ninf-n)/taun
    l' = (linf-l)/taul
}

FUNCTION alpn(v(mV)) {
    LOCAL zeta
    zeta=zetan+pw/(1+exp((v-tq)/qq))
    alpn = exp(zeta*(v-vhalfn)*1.e-3(V/mV)*9.648e4(coulomb/mol)/(8.315(joule/mol/degC)*(273.16(degC)+celsius)))
}

FUNCTION betn(v(mV)) {
    LOCAL zeta
    zeta=zetan+pw/(1+exp((v-tq)/qq))
    betn = exp(zeta*gmn*(v-vhalfn)*1.e-3(V/mV)*9.648e4(coulomb/mol)/(8.315(joule/mol/degC)*(273.16(degC)+celsius)))
}


FUNCTION alpl(v(mV)) {
    alpl = exp(zetal*(v-vhalfl)*1.e-3(V/mV)*9.648e4(coulomb/mol)/(8.315(joule/mol/degC)*(273.16(degC)+celsius)))
}

FUNCTION betl(v(mV)) {
    betl = exp(zetal*(v-vhalfl)*1.e-3(V/mV)*9.648e4(coulomb/mol)/(8.315(joule/mol/degC)*(273.16(degC)+celsius)))
}

PROCEDURE rates(v (mV)) { :callable from hoc
    LOCAL a,qt
    qt=q10^((celsius-temp)/10(degC))
    a = alpn(v)
    ninf = 1/(1 + a)
    taun = betn(v)/(qt*a0n*(1+a))
    if (taun<nmin) {taun=nmin}
    taun=taun/nscale

    a = alpl(v)
    linf = 1/(1 + a)
    taul = 0.26(ms/mV)*(v+50)
    if (taul<lmin) {taul=lmin}
    taul=taul/lscale
}

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