Ejemplo n.º 1
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    def test_iclamp_after_sim(self):
        """
        IClamp works in a regular way after simulation run. in this case (amplitude 3 pA)
        we have spike at the soma.

        However IClamp delay is in the absolute time.
        """
        # Record
        rec = Record(self.soma(0.5))

        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)

        # IClamp to soma
        iclamp = IClamp(segment=self.soma(0.5))
        iclamp.stim(delay=25, dur=3, amp=3)

        sim.run(100)
        r = rec.as_numpy(variable="v")

        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()
        iclamp.remove_immediate_from_neuron()

        # Make assertions
        self.assertEqual(4051, r.size)
        self.assertEqual(34.3815, round(r.records.max(), 4))
        self.assertEqual(-75.3247, round(r.records.min(), 4))

        self.assertEqual(330, r.records.argmax())
        # time in ms of max mV value
        self.assertEqual(28, round(r.time[r.records.argmax()], 4))
Ejemplo n.º 2
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    def test_netcon_event_after_sim(self):
        syn = self.cell.add_synapse(source=None, netcon_weight=1.0, mod_name="ExpSyn", delay=1,
                                    seg=self.apic1(0.5))
        # Record
        rec = Record(self.soma(0.5))
        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)

        syn.make_event(50)

        sim.run(100)
        r = rec.as_numpy(variable="v")

        syn.remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        # Make assertions
        self.assertEqual(4051, r.size)
        self.assertEqual(34.4582, round(r.records.max(), 4))
        self.assertEqual(-75.3478, round(r.records.min(), 4))

        self.assertEqual(2159, r.records.argmax())
        # time in ms of max mV value
        self.assertEqual(73.725, round(r.time[r.records.argmax()], 4))
Ejemplo n.º 3
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    def test_netstim_after_sim(self):
        """
        NetStim created after simulation run has no effect, it won't go on this simulation at all.

        However NetStim start is in the absolute time.
        """
        # Record
        rec = Record(self.soma(0.5))
        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)

        # Netstim to synapse
        stim = NetStimCell("stim").add_netstim(start=25, number=10, interval=2)
        self.cell.add_synapse(source=stim, netcon_weight=0.5, mod_name="ExpSyn", delay=1,
                              seg=self.apic1(0.5))
        sim.run(100)
        r = rec.as_numpy(variable="v")

        # Make assertions
        self.assertEqual(4051, r.size)
        self.assertEqual(-67.1917, round(r.records.max(), 4))
        self.assertEqual(-70.0, round(r.records.min(), 4))

        self.assertEqual(3, r.records.argmax())
        # time in ms of max mV value
        self.assertEqual(6, r.time[r.records.argmax()])

        stim.remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()
Ejemplo n.º 4
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    def prepare_da_cells(self, reward_cell, punish_cell):
        # make records for DA cells
        self.reward_cell = reward_cell
        self.punish_cell = punish_cell
        reward_soma = reward_cell.filter_secs("soma")
        punish_soma = punish_cell.filter_secs("soma")

        self.recs_rew_gs = []
        for s in self.reward_cell.syns:
            r = Record(s.point_process, variables="g")
            self.recs_rew_gs.append(r)

        self.recs_pun_gs = []
        for s in self.punish_cell.syns:
            r = Record(s.point_process, variables="g")
            self.recs_pun_gs.append(r)

        self.rec_v_rew = Record(reward_soma(0.5), variables="v")
        self.rec_v_pun = Record(punish_soma(0.5), variables="v")

        reward_syn = reward_cell.add_synapse(source=None,
                                             mod_name="ExpSyn",
                                             seg=reward_soma(0.5),
                                             netcon_weight=0.01,
                                             e=0,
                                             tau=1)
        punish_syn = punish_cell.add_synapse(source=None,
                                             mod_name="ExpSyn",
                                             seg=punish_soma(0.5),
                                             netcon_weight=0.01,
                                             e=0,
                                             tau=1)

        return reward_syn, punish_syn
Ejemplo n.º 5
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    def test_netstim_before_sim(self):
        """
        NetStim run in a regular way before Simulation run, in this cale (netcon weight=1.0)
        we have spike of the soma.

        However NetStim start is in the absolute time.
        """
        # Netstim to synapse
        stim = NetStimCell("stim").add_netstim(start=25, number=10, interval=2)
        self.cell.add_synapse(source=stim, netcon_weight=1.0, mod_name="ExpSyn", delay=1,
                              seg=self.apic1(0.5))
        # Record
        rec = Record(self.soma(0.5))
        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)

        sim.run(100)
        r = rec.as_numpy(variable="v")

        stim.remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        # Make assertions
        self.assertEqual(4051, r.size)
        self.assertEqual(34.5205, round(r.records.max(), 4))
        self.assertEqual(-75.3053, round(r.records.min(), 4))

        self.assertEqual(319, r.records.argmax())
        # time in ms of max mV value
        self.assertEqual(27.725, round(r.time[r.records.argmax()], 4))
Ejemplo n.º 6
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    def test_add_netcon_and_make_event_separately(self):
        g1 = self.cell.filter_synaptic_group(mod_name="Exp2Syn", tag="aa")
        nc = g1.add_netcon(source=None)

        exp2syn_rec = Record(g1['Exp2Syn'][0], variables='i')
        expsyn_rec = Record(g1['ExpSyn'][0], variables='i')

        sim = Simulation()
        sim.run(1)
        nc['Exp2Syn'][0].make_event(10)
        nc['ExpSyn'][0].make_event(20)
        sim.run(100)

        exp2syn_np = exp2syn_rec.as_numpy('i')
        stim_time_exp2syn = exp2syn_np.time[(exp2syn_np.records != 0).argmax()]
        expsyn_np = expsyn_rec.as_numpy('i')
        stim_time_expsyn = expsyn_np.time[(expsyn_np.records != 0).argmax()]

        self.assertEqual(12.05, round(stim_time_exp2syn, 4))
        self.assertEqual(22.025, round(stim_time_expsyn, 4))

        # Remove variables and clear NEURON
        nc['Exp2Syn'][0].remove_immediate_from_neuron()
        nc['ExpSyn'][0].remove_immediate_from_neuron()
        nc = {}
        g1.remove_immediate_from_neuron()
        exp2syn_rec.remove_immediate_from_neuron()
        expsyn_rec.remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()
Ejemplo n.º 7
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    def test_record_before_sim(self):
        """
        Record created before simulation run is full of data
        """
        # Record
        rec = Record(self.soma(0.5))

        # IClamp to soma
        iclamp = IClamp(segment=self.soma(0.5))
        iclamp.stim(delay=25, dur=3, amp=3)

        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)
        print(h.t)

        sim.run(100)
        r = rec.as_numpy(variable="v")

        # Make assertions
        self.assertEqual(4051, r.size)
        self.assertEqual(34.3815, round(r.records.max(), 4))
        self.assertEqual(-75.3247, round(r.records.min(), 4))

        self.assertEqual(330, r.records.argmax())
        # time in ms of max mV value
        self.assertEqual(28, round(r.time[r.records.argmax()], 4))
Ejemplo n.º 8
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 def prepare_input_cells(self, input_cells):
     self.rec_inps = []
     for c in input_cells:
         rec_gs = []
         for s in c.syns:
             r = Record(s.point_process, variables="g")
             rec_gs.append(r)
         rec_v = Record(c.filter_secs("soma")(0.5), variables="v")
         self.rec_inps.append((rec_v, rec_gs))
    def setUpClass(cls):
        morpho_path = os.path.join(path, "..",
                                   "commons/morphologies/asc/cell2.asc")

        # Create cell
        cell = Cell(name="cell")
        cell.load_morpho(filepath=morpho_path)
        cell.insert("pas")
        cell.insert("hh")

        soma = cell.filter_secs("soma")
        dend = cell.filter_secs("apic[10]")
        syn = cell.add_synapse(source=None, mod_name="ExpSyn", seg=dend(0.5))

        # Prepare EPSP and AP (IClamp) protocols
        experiment = Experiment(iti=40)
        experiment.add_epsp(num=3,
                            synapse=syn,
                            init=20,
                            interval=20,
                            weight=0.02)
        experiment.add_iclamp(num=3,
                              segment=soma(0.5),
                              init=60,
                              interval=20,
                              dur=3,
                              amp=1.6)
        experiment.build()

        # Prepare plots
        rec = Record([soma(0.5), dend(0.5)], variables='v')

        # Run
        sim = Simulation(init_v=-70,
                         warmup=20,
                         with_neuron_gui=False,
                         constant_timestep=True)
        sim.run(runtime=100)

        cls.v_soma = rec.as_numpy('v', segment_name=soma(.5).name)
        cls.v_apic = rec.as_numpy('v', segment_name=dend(.5).name)

        syn.remove_immediate_from_neuron()
        soma.remove_immediate_from_neuron()
        dend.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()
        experiment.remove_immediate_from_neuron()
        cell.remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()

        cls.sections_left = len(list(h.allsec()))
Ejemplo n.º 10
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    def test_timestep_constant(self):
        rec = Record(self.soma(0.5))

        sim = Simulation(constant_timestep=True, dt=1)
        sim.run(100)
        r1 = rec.as_numpy('v')

        sim = Simulation(constant_timestep=False, dt=1)
        sim.run(100)
        r2 = rec.as_numpy('v')

        sim = Simulation(constant_timestep=False, dt=10)
        sim.run(100)
        r3 = rec.as_numpy('v')

        sim = Simulation(constant_timestep=False, dt=0.0001)
        sim.run(100)
        r4 = rec.as_numpy('v')

        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        self.assertEqual(101, r1.size)
        self.assertEqual(188, r2.size)
        self.assertEqual(180, r3.size)
        self.assertEqual(189, r4.size)
Ejemplo n.º 11
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 def add_seg(self, seg: Seg, sec_variables='v'):
     if not isinstance(seg, Seg):
         raise TypeError(
             "Param 'seg' must be of type Seg, but provided '%s'" %
             seg.__class__)
     rec = Record(elements=seg, variables=sec_variables)
     self.sec_recs.append(rec)
Ejemplo n.º 12
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 def record(self, sec_name="soma", loc=0.5, variable='v'):
     d = [
         cell.filter_secs(sec_name, as_list=True)[0](loc)
         for cell in self.cells
     ]
     rec = Record(d, variables=variable)
     self.recs[variable] = rec
Ejemplo n.º 13
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 def run_and_get_rec():
     rec = Record(self.soma(0.5))
     iclamp = IClamp(segment=self.soma(0.5))
     iclamp.stim(delay=25, dur=3, amp=3)
     sim = Simulation(init_v=-70, warmup=20)
     sim.run(100)
     return rec
Ejemplo n.º 14
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    def test_warmup(self):
        rec = Record(self.soma(0.5))

        value_error = False
        try:
            sim = Simulation(warmup=-100)
            sim.run(100)
            r1 = rec.as_numpy('v')
        except ValueError:
            value_error = True
        self.assertTrue(value_error)

        sim = Simulation(warmup=100, dt=1)
        sim.run(100)
        r2 = rec.as_numpy('v')

        sim = Simulation(warmup=100, dt=1, warmup_dt=1)
        sim.run(100)
        r3 = rec.as_numpy('v')

        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        self.assertEqual(111, r2.size)
        self.assertEqual(201, r3.size)
Ejemplo n.º 15
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    def test_record_after_sim(self):
        """
        record created after simulation run is empty
        """
        # IClamp to soma
        iclamp = IClamp(segment=self.soma(0.5))
        iclamp.stim(delay=25, dur=3, amp=3)

        # Run
        sim = Simulation(init_v=-70, warmup=20)
        sim.run(1)
        print(h.t)

        # Record
        rec = Record(self.soma(0.5))

        sim.run(100)
        r = rec.as_numpy(variable="v")

        # Make assertion
        self.assertEqual(0, r.size)
Ejemplo n.º 16
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    def add_syn(self,
                syn: Synapse,
                syn_variables=None,
                key_press=None,
                plot=True):
        if not isinstance(syn, Synapse):
            raise TypeError(
                "Param 'syn' must be of type Synapse, but provided '%s'" %
                syn.__class__)
        if plot and syn_variables:
            rec = Record(elements=syn, variables=syn_variables)
            self.syn_recs.append(rec)

        name = key_press
        if name is None:
            name = str(len(self.syns))
        self.syns[name].append(syn)
Ejemplo n.º 17
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def get_cell_with_iclamps_as_synapses(warmup, dur, name, input_size, low=0.08, high=0.1):
    # Create cell
    cell = Cell(name=name)
    soma = cell.add_sec("soma", diam=10, l=10, nseg=5)
    dend = cell.add_sec("dend", diam=5, l=100, nseg=50)
    cell.connect_secs(child=dend, parent=soma)
    cell.insert("hh")

    # Make synapses
    iclamp_syns = []
    for i in range(input_size):
        iclamp = IClamp(segment=dend(np.random.rand()))
        syn = iclamp.stim(delay=warmup, dur=dur, amp=UniformDist(low=low, high=high))
        iclamp_syns.append(syn)

    # Make recording
    rec = Record(elements=soma(0.5), variables='v')
    cell.make_spike_detector(seg=soma(0.5))
    return cell, iclamp_syns, rec
Ejemplo n.º 18
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    def test_init_v(self):
        rec = Record(self.soma(0.5))

        sim = Simulation(init_v=-100)
        sim.run(100)
        r1 = rec.as_numpy('v')

        sim = Simulation(init_v=100)
        sim.run(100)
        r2 = rec.as_numpy('v')

        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        self.assertEqual(-100, r1.records[0])
        self.assertEqual(100, r2.records[0])
Ejemplo n.º 19
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    def test_dt(self):
        rec = Record(self.soma(0.5))

        sim = Simulation(dt=10)
        sim.run(100)
        r1 = rec.as_numpy('v')

        sim = Simulation(dt=0.01)
        sim.run(100)
        r2 = rec.as_numpy('v')

        sim.remove_immediate_from_neuron()
        rec.remove_immediate_from_neuron()

        self.assertEqual(11, r1.size)
        self.assertEqual(10001, r2.size)
Ejemplo n.º 20
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from neuronpp.utils.record import Record
from neuronpp.utils.simulation import Simulation

path = os.path.dirname(os.path.abspath(__file__))

if __name__ == '__main__':
    # Prepare cell
    filepath = os.path.join(path, "..",
                            "commons/mods/sigma3syn")
    cell = Cell("cell", compile_paths=filepath)
    soma = cell.add_sec("soma", diam=20, l=20, nseg=10)
    cell.insert('pas')
    cell.insert('hh')

    w = 0.003  # LTP
    #w = 0.0022  # LTD
    syn = cell.add_synapse(source=None, netcon_weight=w, seg=soma(0.5), mod_name="ExcSigma3Exp2Syn")

    # prepare plots and spike detector
    rec_v = Record(soma(0.5), variables="v")
    rec_w = Record(syn, variables="w")

    # run
    sim = Simulation(init_v=-68, warmup=5)
    syn.make_event(5)
    sim.run(runtime=50)

    # plot
    rec_w.plot()
    rec_v.plot()
Ejemplo n.º 21
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    stim = NetStimCell("stim_cell").add_netstim(start=WARMUP + 1,
                                                number=300,
                                                interval=1)
    cell.add_random_synapses_with_spine(source=stim,
                                        secs=cell.secs,
                                        mod_name="Syn4P",
                                        netcon_weight=WEIGHT,
                                        delay=1,
                                        head_nseg=10,
                                        neck_nseg=10,
                                        number=10,
                                        **cell.params_4p_syn)

    # add mechanisms
    cell.make_default_mechanisms()
    cell.make_apical_mechanisms(sections='dend head neck')

    # make plots
    rec_w = Record(cell.filter_point_processes(mod_name="Syn4P",
                                               name="head[0]"),
                   variables="w")
    rec_v = Record(cell.filter_secs(name="head[0]")(1.0), variables="v")

    # init and run
    sim = Simulation(init_v=-70, warmup=WARMUP)
    sim.run(runtime=500)

    # plot
    rec_w.plot()
    rec_v.plot()
Ejemplo n.º 22
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ns_cell = NetStimCell("stim_cell")
ns = ns_cell.make_netstim(start=30, number=5, interval=10)

syns = cell.add_synapses_with_spine(source=ns,
                                    secs=cell.filter_secs("apic"),
                                    mod_name="ExpSyn",
                                    netcon_weight=0.01,
                                    delay=1,
                                    number=100)
soma = cell.filter_secs("soma")

# Create IClamp
ic = IClamp(segment=soma(0.5))
ic.stim(delay=100, dur=10, amp=0.1)

# prepare plots and spike detector
rec_v = Record(soma(0.5), variables="v")
cell.make_spike_detector(soma(0.5))

# run
sim = Simulation(init_v=-65,
                 warmup=20,
                 init_sleep=2,
                 with_neuron_gui=True,
                 shape_plots=[make_shape_plot()])
sim.run(runtime=200, stepsize=1, delay_between_steps=500)

# plot
cell.plot_spikes()
rec_v.plot()
plt.show()
Ejemplo n.º 23
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    # make VecStim
    vs_cell = VecStimCell("vecstim_cell")
    stim2 = vs_cell.make_vecstim(np.array([WARMUP+50]))

    # make synapses with spines
    syns_4p, heads = cell.add_synapses_with_spine(source=None, secs=cell.secs, number=100, netcon_weight=WEIGHT,
                                                  mod_name="Syn4PAChDa", delay=1, **cell.params_4p_syn)
    for s, h in zip(syns_4p, heads):
        syn_ach = cell.add_synapse(source=stim1, mod_name="SynACh", seg=h(1.0), netcon_weight=0.1, delay=1)
        syn_da = cell.add_synapse(source=stim2, mod_name="SynDa", seg=h(1.0), netcon_weight=0.1, delay=1)
        cell.set_synaptic_pointers(s, syn_ach, syn_da)

    # add mechanisms
    cell.make_default_mechanisms()
    cell.make_apical_mechanisms(sections='head neck')

    # make plots
    rec_4psyn = Record(cell.filter_point_processes(mod_name="Syn4PAChDa", name="head[0]"), variables="w")

    # init and run
    sim = Simulation(init_v=-70, warmup=WARMUP)
    sim.run(runtime=200)

    # Event delivery
    syns_4p[0].make_event(10)

    sim.run(runtime=200)

    # plot
    rec_4psyn.plot()
Ejemplo n.º 24
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    def test_stim_syns(self):
        gs = self.cell.filter_synaptic_group()

        gs0_exp2syn_rec = Record(gs[0]['Exp2Syn'][0], variables='i')
        gs0_expsyn_rec = Record(gs[0]['ExpSyn'][0], variables='i')

        gs1_exp2syn_rec = Record(gs[1]['Exp2Syn'][0], variables='i')
        gs1_expsyn_rec = Record(gs[1]['ExpSyn'][0], variables='i')

        sim = Simulation()
        sim.run(1)

        gs[0].make_event(10)
        gs[1].make_event(20)

        sim.run(100)

        # Test stim time of synaptic group 1
        gs0_exp2syn_np = gs0_exp2syn_rec.as_numpy('i')
        stim_time_gs0_exp2syn = gs0_exp2syn_np.time[(gs0_exp2syn_np.records != 0).argmax()]

        gs0_expsyn_np = gs0_expsyn_rec.as_numpy('i')
        stim_time_gs0_expsyn = gs0_expsyn_np.time[(gs0_expsyn_np.records != 0).argmax()]

        self.assertEqual(round(stim_time_gs0_exp2syn, 1), round(stim_time_gs0_expsyn, 1))

        # Test stim time of synaptic group 2
        gs1_exp2syn_np = gs1_exp2syn_rec.as_numpy('i')
        stim_time_gs1_exp2syn = gs1_exp2syn_np.time[(gs1_exp2syn_np.records != 0).argmax()]

        gs1_expsyn_np = gs1_expsyn_rec.as_numpy('i')
        stim_time_gs1_expsyn = gs1_expsyn_np.time[(gs1_expsyn_np.records != 0).argmax()]

        self.assertEqual(round(stim_time_gs1_exp2syn, 1), round(stim_time_gs1_expsyn, 1))

        # Test values of mV in soma
        self.assertEqual(31.3285, round(gs0_exp2syn_np.records.max(), 4))
        self.assertEqual(-61.309, round(gs0_exp2syn_np.records.min(), 4))

        # Remove variables and clear NEURON
        gs0_exp2syn_rec.remove_immediate_from_neuron()
        gs0_expsyn_rec.remove_immediate_from_neuron()
        gs1_exp2syn_rec.remove_immediate_from_neuron()
        gs1_expsyn_rec.remove_immediate_from_neuron()
        gs[0].remove_immediate_from_neuron()
        gs[1].remove_immediate_from_neuron()
        sim.remove_immediate_from_neuron()
Ejemplo n.º 25
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cell.insert("hh")

soma = cell.filter_secs("soma")
dend = cell.filter_secs("apic[10]")
syn = cell.add_synapse(source=None, mod_name="ExpSyn", seg=dend(0.5))

# Prepare EPSP and AP (IClamp) protocols
experiment = Experiment(iti=40)
experiment.add_epsp(num=3, synapse=syn, init=20, interval=20, weight=0.02)
experiment.add_iclamp(num=3,
                      segment=soma(0.5),
                      init=60,
                      interval=20,
                      dur=3,
                      amp=1.6)
experiment.build()

# Prepare plots
rec = Record([soma(0.5), dend(0.5)], variables='v')

# Run
sim = Simulation(init_v=-70,
                 warmup=20,
                 with_neuron_gui=False,
                 constant_timestep=True)
sim.run(runtime=100)

rec.plot()
v_soma = rec.as_numpy('v', segment_name=soma(.5).name)
v_dend = rec.as_numpy('v', segment_name=dend(.5).name)
Ejemplo n.º 26
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                     spine_number=10,
                     spine_secs_names="apic",
                     spine_seed=13)

soma = cell.filter_secs("soma")
syns = cell.filter_complex_synapses(tag="combe")

# Prepare STDP protocol
stdp = Experiment()
stdp.make_protocol("3xEPSP[int=10] 3xAP[int=10,dur=3,amp=1.6]",
                   start=1,
                   isi=10,
                   epsp_synapse=syns[0],
                   i_clamp_section=soma)

# Prepare plots
v_soma_rec = Record([soma(0.5), syns[0].parent], variables='v')
cai_head0_rec = Record(syns[0].parent, variables='cai')

# Run
sim = Simulation(init_v=-70,
                 warmup=20,
                 with_neuron_gui=True,
                 constant_timestep=False)
sim.run(runtime=100, debug=True)

# Plot
cai_head0_rec.plot()
v_soma_rec.plot()
v_soma_rec.to_csv("vrec.csv")
Ejemplo n.º 27
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                                  netcon_weight=0.1,
                                  delay=1)
        cell.set_synaptic_pointers(s, syn_ach, syn_da)
        cell.group_synapses(tag="input_syn", synapses=[s, syn_ach, syn_da])

    # add mechanisms
    cell.make_default_mechanisms()
    cell.make_apical_mechanisms(sections='dend head neck')

    soma = cell.filter_secs("soma")

    syns = cell.filter_synaptic_group()
    syn4p = syns[0]['Syn4PAChDa']
    synach = syns[0]['SynACh']

    rec_syn = Record(syn4p, variables="w stdp_ach ach_stdp ACh ACh_w")
    rec_soma = Record(soma(0.5), variables="v")

    sim = Simulation(init_v=-80, warmup=WARMUP, warmup_on_create=True)

    event = 0
    inter = 5
    for i in range(10):
        for syn in syns:
            syn['Syn4PAChDa'][0].make_event(event)
            syn['SynACh'][0].make_event(event)
            event += inter

    sim.run(runtime=150)

    # plot
Ejemplo n.º 28
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# 2) Recommended synapse
syn1 = cell.add_synapse(source=stim,
                        seg=soma(0.5),
                        netcon_weight=0.01,
                        mod_name="Syn4P",
                        delay=1)

# 3) Event synapse
syn2 = cell.add_synapse(source=None,
                        seg=soma(0.5),
                        netcon_weight=0.01,
                        mod_name="Syn4P",
                        delay=1)

# prepare plots
rec_v = Record(soma(0.5), variables="v")

# run
sim = Simulation(init_v=-55, warmup=20)

# Making external events to the synapse
syn2.make_event(10)
syn2.make_event(20)
syn2.make_event(30)
syn2.make_event(40)

# Example of online update of the graph, however sim.run(runtime=1000) can be call in a single run
for i in range(1000):
    sim.run(runtime=1)
    rec_v.plot(animate=True)
Ejemplo n.º 29
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    soma = cell.filter_secs("soma")

    # Netstim to synapse
    stim = NetStimCell("stim").add_netstim(start=WARMUP,
                                           number=REPS,
                                           interval=interval)
    syn = cell.add_synapse(source=stim,
                           netcon_weight=WEIGHT,
                           mod_name="Syn4P",
                           delay=1,
                           seg=cell.filter_secs('apic[1]')(0.5))

    # IClamp to soma
    iclamp = IClamp(segment=cell.filter_secs("soma")(0.5))
    for i in range(REPS):
        start_t = WARMUP + delta_t + i * interval
        iclamp.stim(delay=start_t, dur=DUR, amp=AMP)

    # Record
    rec = Record([s(0.5) for s in cell.filter_secs("apic[1],apic[50]")])

    # Run
    sim = Simulation(init_v=-70, warmup=WARMUP, dt=DT)
    total_time = REPS * interval + COOL_DOWN
    sim.run(total_time)

    # Plot
    rec.plot(position="merge")
    plt.show()