def _activate_hln(self, sim, block_interval, firing_rate): next_block_tstart = (block_interval[1] + 1) * sim.dt # The next time-step next_block_tstop = next_block_tstart + sim.nsteps_block * sim.dt # The time-step when the next block ends # This is where you can use the firing-rate of the low-level neurons to generate a set of spike times for the # next block psg = PoissonSpikeGenerator() psg.add(node_ids=[0], firing_rate=firing_rate, times=(next_block_tstart, next_block_tstop)) self._spike_events = psg.get_times(0) # Update firing rate of bladder afferent neurons for gid in self._high_level_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t) # If pressure is maxxed, update firing rate of EUS motor neurons # Guarding reflex press_change = self._prev_glob_press - self._glob_press if self._glob_press > press_thres or press_change > change_thres: psg = PoissonSpikeGenerator() psg.add(node_ids=[0], firing_rate=150, times=(next_block_tstart, next_block_tstop)) self._spike_events = psg.get_times(0) for gid in self._eus_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t)
def single_proc(): print('--NEW VERSION--') psg = PoissonSpikeGenerator(population='v1', seed=10) psg.add(node_ids=np.arange(N), firing_rate=30.0, times=3.0) tmph5 = tempfile.NamedTemporaryFile(suffix='.h5') mem = memory_usage((write_sonata, (tmph5.name, psg))) print(max(mem)) tmph5 = tempfile.NamedTemporaryFile(suffix='.h5') start = timer() write_sonata(tmph5.name, psg) print(timer() - start) print('--OLD VERSION--') psg = PoissonSpikeGenerator(population='v1', seed=10, buffer_dir='tmp_spikes') psg.add(node_ids=np.arange(N), firing_rate=30.0, times=3.0) tmph5 = tempfile.NamedTemporaryFile(suffix='.h5') mem = memory_usage((write_sonata_old, (tmph5.name, psg))) print(max(mem)) tmph5 = tempfile.NamedTemporaryFile(suffix='.h5') start = timer() write_sonata_old(tmph5.name, psg) print(timer() - start)
def _activate_hln(self, sim, block_interval, firing_rate): next_block_tstart = (block_interval[1] + 1) * sim.dt # The next time-step next_block_tstop = next_block_tstart + sim.nsteps_block*sim.dt # The time-step when the next block ends # This is where you can use the firing-rate of the low-level neurons to generate a set of spike times for the # next block if firing_rate != 0.0: psg = PoissonSpikeGenerator() psg.add(node_ids=[0], firing_rate=firing_rate, times=(next_block_tstart/1000.0, next_block_tstop/1000.0)) if psg.n_spikes() <= 0: io.log_info(' _activate_hln: firing rate {} did not produce any spikes'.format(firing_rate)) else: self._spike_events = psg.get_times(0) # Update firing rate of bladder afferent neurons for gid in self._high_level_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t) else: io.log_info(' _activate_hln: firing rate 0') # If pressure is maxxed, update firing rate of EUS motor neurons # Guarding reflex # press_change = self._prev_glob_press - self._glob_press # if self._glob_press > press_thres or press_change > change_thres: # psg = PoissonSpikeGenerator() # eus_fr = self._glob_press*10 + press_change*10 # Assumption: guarding reflex # # depends on current pressure # # and change from last pressure # psg.add(node_ids=[0], firing_rate=eus_fr, times=(next_block_tstart, next_block_tstop)) # self._spike_events = psg.get_times(0) # for gid in self._eus_neurons: # nc = self._netcons[gid] # for t in self._spike_events: # nc.event(t) ################ Activate higher order based on pressure threshold ############################## # if block_interval[1] % 2000 == 1000: # For fast testing, only add events to every other block # if False: # For testing if self._glob_press > self.press_thres: io.log_info(' updating pag input') psg = PoissonSpikeGenerator() print(self.press_thres) pag_fr = self.press_thres #change psg.add(node_ids=[0], firing_rate=pag_fr, times=(next_block_tstart/1000.0, next_block_tstop/1000.0)) if psg.n_spikes() <= 0: io.log_info(' no psg spikes generated by Poisson distritubtion') self._spike_events = psg.get_times(0) for gid in self._pag_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t)
def test_psg_fixed(): psg = PoissonSpikeGenerator(population='test', seed=100) psg.add(node_ids=range(10), firing_rate=5.0, times=(0.0, 3.0)) assert (psg.populations == ['test']) assert (np.all(psg.node_ids() == list(range(10)))) assert (psg.n_spikes() == 143) assert (psg.n_spikes(population='test') == 143) assert (np.allclose(psg.time_range(), (5.380662350673328, 2986.5205688893295))) df = psg.to_dataframe() assert (df.shape == (143, 3)) assert (np.allclose(psg.get_times(node_id=0), [ 156.7916, 222.0400, 332.5493, 705.1267, 706.0727, 731.9963, 954.1834, 1303.7542, 1333.1543, 1504.3314, 1948.2045, 1995.1471, 2036.1411, 2059.0835, 2108.6982, 2877.7935 ], atol=1.0e-3)) assert (np.allclose(psg.get_times(node_id=9, population='test'), [ 23.3176, 241.7332, 390.1951, 428.2215, 1001.0229, 1056.4003, 2424.8442, 2599.6312, 2640.1228, 2737.9504, 2780.0140, 2885.8020 ], atol=1.0e-3))
def build_input(t_sim, numPN_A=640, numPN_C=260, numBask=100): print("Building input for " + str(t_sim) + " (ms)") psg = PoissonSpikeGenerator(population='mthalamus') psg.add( node_ids=range(numPN_A + numPN_C), # Have nodes to match mthalamus # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numPN_A + numPN_C, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('mthalamus_spikes.h5') psg = PoissonSpikeGenerator(population='exc_bg_bask') psg.add( node_ids=range(numBask), # Have nodes to match mthalamus # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numBask, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('exc_bg_bask_spikes.h5') print("Done")
def build_spike_trains(N=N_LIF_exc + N_LIF_inh): from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator from bmtk.utils.reports.spike_trains import sort_order # Steadily increase the firing rate of each virtual cell from 1.0 Hz (node 0) to 50.0 Hz (node 12499) firing_rates = 500 * np.ones(N) psg = PoissonSpikeGenerator(population='external') for i in range(N): # create a new spike-train for each node. psg.add(node_ids=i, firing_rate=firing_rates[i], times=(0.0, 3.0)) psg.to_sonata('inputs/injective_500hz.h5', sort_order=sort_order.by_id)
def build_input(t_sim, numPN_A=569, numPN_C=231, numBask=93, numSOM=51, numCR=56): print("Building input for " + str(t_sim) + " (ms)") psg = PoissonSpikeGenerator(population='vpsi_pyr') psg.add( node_ids=range(numPN_A + numPN_C), # Have nodes to match mthalamus # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numPN_A + numPN_C, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('vpsi_pyr_spikes.h5') psg = PoissonSpikeGenerator(population='vpsi_pv') psg.add( node_ids=range(numBask), # Have nodes to match mthalamus # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numBask, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('vpsi_pv_spikes.h5') # THALAMUS psg = PoissonSpikeGenerator(population='thalamus_pyr') psg.add( node_ids=range(numPN_A + numPN_C), # Have nodes to match # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numPN_A + numPN_C, 4, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('thalamus_pyr_spikes.h5') psg = PoissonSpikeGenerator(population='thalamus_pv') psg.add( node_ids=range(numBask), # Have nodes to match # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numBask, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('thalamus_pv_spikes.h5') psg = PoissonSpikeGenerator(population='thalamus_som') psg.add( node_ids=range(numSOM), # Have nodes to match # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numSOM, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('thalamus_som_spikes.h5') psg = PoissonSpikeGenerator(population='thalamus_cr') psg.add( node_ids=range(numCR), # Have nodes to match # firing_rate=2.0, # 15 Hz, we can also pass in a nonhomoegenous function/array firing_rate=lognorm_fr_list(numCR, 2, 1), times=(0.0, t_sim / 1000.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('thalamus_cr_spikes.h5') print("Done")
def test_psg_variable(): times = np.linspace(0.0, 10.0, 1000) fr = np.exp(-np.power(times - 5.0, 2) / (2*np.power(.5, 2)))*5 psg = PoissonSpikeGenerator(population='test', seed=0.0) psg.add(node_ids=range(10), firing_rate=fr, times=times) assert(psg.populations == ['test']) assert(psg.nodes() == list(range(10))) for i in range(10): spikes = psg.get_times(i) assert(len(spikes) > 0) assert(1.0 < np.min(spikes)) assert(np.max(spikes) < 9.0)
def test_psg_fixed(): psg = PoissonSpikeGenerator(population='test', seed=0.0) psg.add(node_ids=range(10), firing_rate=10.0, times=(0.0, 10.0)) assert(psg.populations == ['test']) assert(psg.nodes() == list(range(10))) time_range = psg.time_range() assert(0 <= time_range[0] < 1.0) assert(9.0 < time_range[1] <= 10.0) # This may fail on certain versions assert(psg.get_times(node_id=5).size > 10) assert(0 < psg.get_times(node_id=8).size < 300) for i in range(10): spikes = psg.get_times(i) assert(np.max(spikes) > 0.1)
def _activate_hln(self, sim, block_interval, firing_rate): next_block_tstart = (block_interval[1] + 1) * sim.dt # The next time-step next_block_tstop = next_block_tstart + sim.nsteps_block*sim.dt # The time-step when the next block ends # This is where you can use the firing-rate of the low-level neurons to generate a set of spike times for the # next block psg = PoissonSpikeGenerator() psg.add(node_ids=[0], firing_rate=firing_rate/1000, times=(next_block_tstart, next_block_tstop)) self._spike_events = psg.get_times(0) if self._spike_events.shape[0]==0: self._spike_events = np.array((next_block_tstart+0.2,)) # Update firing rate of bladder afferent neurons for gid in self._high_level_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t)
def test_psg_variable(): times = np.linspace(0.0, 3.0, 1000) fr = np.exp(-np.power(times - 1.0, 2) / (2 * np.power(.5, 2))) * 5 psg = PoissonSpikeGenerator(population='test', seed=0.0) psg.add(node_ids=range(10), firing_rate=fr, times=times) assert (psg.populations == ['test']) assert (np.all(psg.node_ids() == list(range(10)))) assert (psg.n_spikes() == 59) assert (np.allclose(psg.time_range(), (0.13932107933711294, 2.9013003727909172))) assert (psg.to_dataframe().shape == (59, 3)) assert (np.allclose(psg.get_times(node_id=0), [0.442, 0.520, 0.640, 1.099, 1.393, 1.725], atol=1.0e-3)) assert (np.allclose(psg.get_times(node_id=9), [0.729, 0.885, 1.047, 1.276, 1.543, 1.669, 1.881], atol=1.0e-3))
def _activate_hln(self, sim, block_interval, firing_rate): next_block_tstart = (block_interval[1] + 1) * sim.dt # The next time-step next_block_tstop = next_block_tstart + sim.nsteps_block * sim.dt # The time-step when the next block ends # TODO: See if we've reached the end of the simulation # This is where you can use the firing-rate of the low-level neurons to generate a set of spike times for the # next block. For this case I'm just setting the high-level neuron to start bursting #if firing_rate > firing_rate_threshold: #self._spike_events = np.linspace(next_block_tstart, next_block_tstop, 500) psg = PoissonSpikeGenerator() psg.add(node_ids=[0], firing_rate=firing_rate, times=(next_block_tstart, next_block_tstop)) self._spike_events = psg.get_times(0) for gid in self._high_level_neurons: nc = self._netcons[gid] for t in self._spike_events: nc.event(t)
def test_psg_variable(): times = np.linspace(0.0, 3.0, 1000) fr = np.exp(-np.power(times - 1.0, 2) / (2 * np.power(.5, 2))) * 5 psg = PoissonSpikeGenerator(population='test', seed=0.0) psg.add(node_ids=range(10), firing_rate=fr, times=times) assert (psg.populations == ['test']) assert (np.all(psg.node_ids() == list(range(10)))) assert (psg.n_spikes() == 59) assert (np.allclose(psg.time_range(), (139.32107933711294, 2901.3003727909172))) assert (psg.to_dataframe().shape == (59, 3)) assert (np.allclose( psg.get_times(node_id=0), [442.8378, 520.3624, 640.3880, 1099.0661, 1393.0794, 1725.6109], atol=1.0e-3)) assert (np.allclose(psg.get_times(node_id=9), [ 729.6267, 885.2469, 1047.7728, 1276.3554, 1543.6557, 1669.9070, 1881.3605 ], atol=1.0e-3))
def test_psg_fixed(): psg = PoissonSpikeGenerator(population='test', seed=100) psg.add(node_ids=range(10), firing_rate=5.0, times=(0.0, 3.0)) assert (psg.populations == ['test']) assert (np.all(psg.node_ids() == list(range(10)))) assert (psg.n_spikes() == 143) assert (psg.n_spikes(population='test') == 143) assert (np.allclose(psg.time_range(), (0.005380662350673328, 2.9865205688893295))) df = psg.to_dataframe() assert (df.shape == (143, 3)) assert (np.allclose(psg.get_times(node_id=0), [ 0.156, 0.222, 0.332, 0.705, 0.706, 0.731, 0.954, 1.303, 1.333, 1.504, 1.948, 1.995, 2.036, 2.059, 2.108, 2.877 ], atol=1.0e-3)) assert (np.allclose(psg.get_times(node_id=9, population='test'), [ 0.0233, 0.241, 0.390, 0.428, 1.001, 1.056, 2.424, 2.599, 2.640, 2.737, 2.780, 2.885 ], atol=1.0e-3))
print("stim time is set to %s" % t_sim) #build_env_bionet(base_dir='./', # network_dir='./network', # tstop=t_sim, dt=0.1, # report_vars=['v'], # spikes_inputs=[('tone', './12_cell_inputs/tone_spikes.csv'), # ('shock', './12_cell_inputs/shock_spikes.csv'), # ('bg_pn', '12_cell_inputs/bg_pn_spikes.h5'), # ('bg_pv', '12_cell_inputs/bg_pv_spikes.h5'), # ('bg_olm', '12_cell_inputs/bg_olm_spikes.h5')], # components_dir='biophys_components', # config_file='config.json', # compile_mechanisms=False) psg = PoissonSpikeGenerator(population='bg_pn') psg.add( node_ids=range(8), # need same number as cells firing_rate=1, # 1 spike every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('12_cell_inputs/bg_pn_spikes.h5') print('Number of background spikes for pn: {}'.format(psg.n_spikes())) psg = PoissonSpikeGenerator(population='bg_pv') psg.add( node_ids=range(2), # need same number as cells firing_rate=8, # 8 spikes every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('12_cell_inputs/bg_pv_spikes.h5')
# Build and save our networks net.build() net.save_nodes(output_dir='network') net.save_edges(output_dir='network') exc_stim.build() exc_stim.save_nodes(output_dir='network') inh_stim.build() inh_stim.save_nodes(output_dir='network') from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator from bmtk.utils.reports.spike_trains.spikes_file_writers import write_csv exc_psg = PoissonSpikeGenerator(population='exc_stim') exc_psg.add(node_ids=range(np.sum(num_exc)), firing_rate=int(exc_fr) / 1000, times=(200.0, 1200.0)) exc_psg.to_sonata('exc_stim_spikes.h5') inh_psg = PoissonSpikeGenerator(population='inh_stim') inh_psg.add(node_ids=range(np.sum(num_inh)), firing_rate=int(inh_fr) / 1000, times=(200.0, 1200.0)) inh_psg.to_sonata('inh_stim_spikes.h5') from bmtk.utils.sim_setup import build_env_bionet build_env_bionet(base_dir='./', network_dir='./network',
import os from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator if not os.path.exists('inputs'): os.mkdir('inputs') psg = PoissonSpikeGenerator(population='external') psg.add( node_ids=range(100), firing_rate=10.0, ) psg.add(node_ids=range(100), firing_rate=10.0, times=(0.0, 3.0)) psg.to_sonata('inputs/external_spike_trains.h5')
from bmtk.utils.sim_setup import build_env_bionet build_env_bionet(base_dir='./', network_dir='./network', tstop=t_sim, dt=0.1, spikes_inputs=[('mthalamus', 'mthalamus_spikes.h5'), ('exc_bg_bask', 'exc_bg_bask_spikes.h5'), ('exc_bg_chn', 'exc_bg_chn_spikes.h5')], components_dir='biophys_components', compile_mechanisms=True) from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator # psg = PoissonSpikeGenerator(population='mthalamus') psg.add(node_ids=range(numPN_A + numPN_C), # Have nodes to match mthalamus firing_rate=0.2, # 15 Hz, we can also pass in a nonhomoegenous function/array times=(0.0, t_sim)) # Firing starts at 0 s up to 3 s psg.to_sonata('mthalamus_spikes.h5') psg = PoissonSpikeGenerator(population='exc_bg_bask') psg.add(node_ids=range(numBask), # Have nodes to match mthalamus firing_rate=0.2, # 15 Hz, we can also pass in a nonhomoegenous function/array times=(0.0, t_sim)) # Firing starts at 0 s up to 3 s psg.to_sonata('exc_bg_bask_spikes.h5') psg = PoissonSpikeGenerator(population='exc_bg_chn') psg.add(node_ids=range(numAAC), # Have nodes to match mthalamus firing_rate=0.2, # 15 Hz, we can also pass in a nonhomoegenous function/array times=(0.0, t_sim)) # Firing starts at 0 s up to 3 s
thalamus.save_nodes(output_dir='network') thalamus.save_edges(output_dir='network') print("External nodes and edges built") from bmtk.utils.sim_setup import build_env_bionet build_env_bionet( base_dir='./', network_dir='./network', tstop=1000.0, dt=0.1, spikes_inputs=[( 'mthalamus', # Name of population which spikes will be generated for 'mthalamus_spikes.h5')], report_vars=['v', 'cai' ], # Record membrane potential and calcium (default soma) components_dir='biophys_components', compile_mechanisms=True) from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator psg = PoissonSpikeGenerator(population='mthalamus') psg.add( node_ids=range(numPN_A + numPN_C + numBask), # Have nodes to match mthalamus firing_rate= 15.0, # 15 Hz, we can also pass in a nonhomoegenous function/array times=(0.0, 3.0)) # Firing starts at 0 s up to 3 s psg.to_sonata('mthalamus_spikes.h5')
#st.write(path) if (path != "streamlit"): os.chdir("streamlit") if os.path.isdir('biophys_components/mechanisms/x86_64'): shutil.rmtree('biophys_components/mechanisms/x86_64') os.chdir('biophys_components/mechanisms') os.system('nrnivmodl modfiles') os.chdir("../..") st.write("Building model") build_model() st.write("Done building") bg_pn = st.slider('Generate PN background') if st.button("Push to Generate"): os.remove('2_cell_inputs/bg_pn_c_spikes.h5') psg = PoissonSpikeGenerator(population='bg_pn_c') psg.add( node_ids=range(1), # need same number as cells firing_rate=bg_pn, # 1 spike every 1 second Hz times=(0.0, 40000 / 1000)) # time is in seconds for some reason psg.to_sonata('2_cell_inputs/bg_pn_c_spikes.h5') st.write('Generated background of PN at : {} Hz'.format(bg_pn)) if st.button("Push to run model"): st.write("running model") run(config_file='config.json') st.write("done running") if st.button("Plot results"): _ = plot_traces(config_file='config.json', node_ids=[0],
def _activate_hln(self, sim, block_interval, firing_rate): block_length = sim.nsteps_block * sim.dt / 1000.0 next_block_tstart = (block_interval[1] + 1) * sim.dt / 1000.0 # The next time-step next_block_tstop = next_block_tstart + block_length # The time-step when the next block ends # This is where you can use the firing-rate of the low-level neurons to generate a set of spike times for the # next block if firing_rate > 0.0: psg = PoissonSpikeGenerator() # # Use homogeneous input # psg.add(node_ids=[0], firing_rate=firing_rate, times=(next_block_tstart, next_block_tstop)) # sec # spikes = psg.get_times([0])*1000 # convert sec to ms # n_spikes = len(spikes) # io.log_info(' _activate_hln firing rate: {:.2f} Hz'.format(n_spikes/block_length)) # if n_spikes > 0: # # Update firing rate of bladder afferent neurons # for gid in self._high_level_neurons: # self._spike_events[gid] = np.concatenate((self._spike_events[gid],spikes)) # nc = self._netcons[gid] # for t in spikes: # nc.event(t) # io.log_info('Last spike: {:.1f} ms'.format(spikes[-1])) # Use inhomogeneous input n = len(self._high_level_neurons) psg.add(node_ids=self._high_level_neurons, firing_rate=firing_rate, times=(next_block_tstart, next_block_tstop)) n_spikes = np.zeros(n) last_spike = 0.0 for i, gid in enumerate(self._high_level_neurons): spikes = psg.get_times(gid) * 1000 n_spikes[i] = len(spikes) if n_spikes[i] > 0: self._spike_events[gid] = np.concatenate( (self._spike_events[gid], spikes)) nc = self._netcons[gid] for t in spikes: nc.event(t) last_spike = max(last_spike, spikes[-1]) io.log_info( ' _activate_hln firing rate: ' + ','.join(["%.2f" % (ns / block_length) for ns in n_spikes]) + ' Hz') if last_spike > 0: io.log_info('Last spike: {:.1f} ms'.format(last_spike)) else: io.log_info(' _activate_hln firing rate: 0') # If pressure is maxxed, update firing rate of EUS motor neurons # Guarding reflex # press_change = self._prev_glob_press - self._glob_press # if self._glob_press > press_thres or press_change > change_thres: # psg = PoissonSpikeGenerator() # eus_fr = self._glob_press*10 + press_change*10 # Assumption: guarding reflex # # depends on current pressure # # and change from last pressure # psg.add(node_ids=[0], firing_rate=eus_fr, times=(next_block_tstart, next_block_tstop)) # self._spike_events = psg.get_times(0) # for gid in self._eus_neurons: # nc = self._netcons[gid] # for t in self._spike_events: # nc.event(t) ################ Activate higher order based on pressure threshold ############################## # if block_interval[1] % 2000 == 1000: # For fast testing, only add events to every other block # if False: # For testing # if self._glob_press > self.press_thres: # io.log_info(' updating pag input') # psg = PoissonSpikeGenerator() # print(self.press_thres) # # pag_fr = self.press_thres #change # psg.add(node_ids=[0], firing_rate=pag_fr, times=(next_block_tstart/1000.0, next_block_tstop/1000.0)) # if psg.n_spikes() <= 0: # io.log_info(' no psg spikes generated by Poisson distritubtion') # self._spike_events = psg.get_times(0) # for gid in self._pag_neurons: # nc = self._netcons[gid] # for t in self._spike_events: # nc.event(t) ################ Activate higher order based on afferent firing rate ############################## if firing_rate > 10: pag_fr = 15 psg = PoissonSpikeGenerator() # # Use homogeneous input # psg.add(node_ids=[0], firing_rate=pag_fr, times=(next_block_tstart, next_block_tstop)) # spikes = psg.get_times([0])*1000 # n_spikes = len(spikes) # io.log_info(' pag firing rate: {:.2f} Hz'.format(n_spikes/block_length)) # if n_spikes>0: # io.log_info('Last spike: {:.1f} ms'.format(spikes[-1])) # for gid in self._pag_neurons: # self._spike_events[gid] = np.concatenate((self._spike_events[gid],spikes)) # nc = self._netcons[gid] # for t in spikes: # nc.event(t) # Use inhomogeneous input n = len(self._pag_neurons) psg.add(node_ids=self._pag_neurons, firing_rate=pag_fr, times=(next_block_tstart, next_block_tstop)) n_spikes = np.zeros(n) last_spike = 0.0 for i, gid in enumerate(self._pag_neurons): spikes = psg.get_times(gid) * 1000 n_spikes[i] = len(spikes) if n_spikes[i] > 0: self._spike_events[gid] = np.concatenate( (self._spike_events[gid], spikes)) nc = self._netcons[gid] for t in spikes: nc.event(t) last_spike = max(last_spike, spikes[-1]) io.log_info( ' pag firing rate: ' + ','.join(["%.2f" % (ns / block_length) for ns in n_spikes]) + ' Hz') if last_spike > 0: io.log_info('Last spike: {:.1f} ms'.format(last_spike)) io.log_info('\n')
def build_model(): if os.path.isdir('network'): shutil.rmtree('network') if os.path.isdir('2_cell_inputs'): shutil.rmtree('2_cell_inputs') seed = 967 random.seed(seed) np.random.seed(seed) load() syn = syn_params_dicts() # Initialize our network net = NetworkBuilder("biophysical") num_inh = [1] num_exc = [1] ################################################################################## ###################################BIOPHY######################################### # PN net.add_nodes(N=1, pop_name='PyrC', mem_potential='e', model_type='biophysical', model_template='hoc:Cell_C', morphology=None) # PV net.add_nodes(N=1, pop_name="PV", mem_potential='e', model_type='biophysical', model_template='hoc:basket', morphology=None) backgroundPN_C = NetworkBuilder('bg_pn_c') backgroundPN_C.add_nodes(N=1, pop_name='tON', potential='exc', model_type='virtual') backgroundPV = NetworkBuilder('bg_pv') backgroundPV.add_nodes(N=2, pop_name='tON', potential='exc', model_type='virtual') # if neuron is sufficiently depolorized enough post synaptic calcium then synaptiic weight goes up # pyr->pyr & pyr->PV # PV->pyr PV->PV def one_to_all(source, target): sid = source.node_id tid = target.node_id print("connecting bio cell {} to bio cell {}".format(sid, tid)) return 1 def BG_to_PN_C(source, target): sid = source.node_id tid = target.node_id if sid == tid: print("connecting BG {} to PN_C{}".format(sid, tid)) return 1 else: return 0 def BG_to_PV(source, target): sid = source.node_id tid = target.node_id sid = sid + 1 if sid == tid: print("connecting BG {} to PV{}".format(sid, tid)) return 1 else: return 0 conn = net.add_edges(source=net.nodes(pop_name='PyrC'), target=net.nodes(pop_name="PV"), connection_rule=one_to_all, syn_weight=1.0, delay=0.1, distance_range=[-10000, 10000], dynamics_params='PN2PV.json', model_template=syn['PN2PV.json']['level_of_detail']) conn.add_properties(['sec_id', 'sec_x'], rule=(1, 0.9), dtypes=[np.int32, np.float]) conn = net.add_edges(source=net.nodes(pop_name='PV'), target=net.nodes(pop_name="PyrC"), connection_rule=one_to_all, syn_weight=1.0, delay=0.1, distance_range=[-10000, 10000], dynamics_params='PV2PN.json', model_template=syn['PV2PN.json']['level_of_detail']) conn.add_properties(['sec_id', 'sec_x'], rule=(1, 0.9), dtypes=[np.int32, np.float]) conn = net.add_edges(source=backgroundPN_C.nodes(), target=net.nodes(pop_name='PyrC'), connection_rule=BG_to_PN_C, syn_weight=1.0, delay=0.1, distance_range=[-10000, 10000], dynamics_params='BG2PNC.json', model_template=syn['BG2PNC.json']['level_of_detail']) conn.add_properties(['sec_id', 'sec_x'], rule=(2, 0.9), dtypes=[np.int32, np.float]) # places syn on apic at 0.9 conn = net.add_edges(source=backgroundPV.nodes(), target=net.nodes(pop_name='PV'), connection_rule=BG_to_PV, syn_weight=1.0, delay=0.1, distance_range=[-10000, 10000], dynamics_params='BG2PV.json', model_template=syn['BG2PV.json']['level_of_detail']) conn.add_properties(['sec_id', 'sec_x'], rule=(1, 0.9), dtypes=[np.int32, np.float]) backgroundPN_C.build() backgroundPN_C.save_nodes(output_dir='network') backgroundPV.build() backgroundPV.save_nodes(output_dir='network') net.build() net.save(output_dir='network') # SPIKE TRAINS t_sim = 40000 # build_env_bionet(base_dir='./', # network_dir='./network', # tstop=t_sim, dt=0.1, # report_vars=['v'], # components_dir='biophys_components', # config_file='config.json', # spikes_inputs=[('bg_pn_c', '2_cell_inputs/bg_pn_c_spikes.h5'), # ('bg_pv', '2_cell_inputs/bg_pv_spikes.h5')], # compile_mechanisms=False) psg = PoissonSpikeGenerator(population='bg_pn_c') psg.add( node_ids=range(1), # need same number as cells firing_rate=6, # 1 spike every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('2_cell_inputs/bg_pn_c_spikes.h5') print('Number of background spikes for PN_C: {}'.format(psg.n_spikes())) psg = PoissonSpikeGenerator(population='bg_pv') psg.add( node_ids=range(1), # need same number as cells firing_rate=7.7, # 8 spikes every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('2_cell_inputs/bg_pv_spikes.h5') print('Number of background spikes for PV: {}'.format(psg.n_spikes()))
print("stim time is set to %s" % t_sim) #build_env_bionet(base_dir='./', # network_dir='./network', # tstop=t_sim, dt=0.1, # report_vars=['v'], # spikes_inputs=[('tone', './12_cell_inputs/tone_spikes.csv'), # ('shock', './12_cell_inputs/shock_spikes.csv'), # ('bg_pn', '12_cell_inputs/bg_pn_spikes.h5'), # ('bg_pv', '12_cell_inputs/bg_pv_spikes.h5'), # ('bg_olm', '12_cell_inputs/bg_olm_spikes.h5')], # components_dir='biophys_components', # config_file='config.json', # compile_mechanisms=False) psg = PoissonSpikeGenerator(population='tone') psg.add( node_ids=range(1), # need same number as cells firing_rate=2, # 1 spike every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('12_cell_inputs/tone_background.h5') print('Number of background spikes for tone: {}'.format(psg.n_spikes())) psg = PoissonSpikeGenerator(population='bg_pn_a') psg.add( node_ids=range(5), # need same number as cells firing_rate=6, # 1 spike every 1 second Hz times=(0.0, t_sim / 1000)) # time is in seconds for some reason psg.to_sonata('12_cell_inputs/bg_pn_a_spikes.h5')
from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator psg = PoissonSpikeGenerator(population='LGN') psg.add( node_ids=range(0, 100), firing_rate=8.0, # we can also pass in a nonhomoegenous function/array times=(0.0, 2.0) # Firing starts at 0 s up to 3 s ) psg.to_sonata('inputs/lgn_spikes.poisson.h5') psg.to_csv('inputs/lgn_spikes.poisson.csv')
from bmtk.utils.reports.spike_trains import SpikeTrains, PoissonSpikeGenerator # A constant firing rate of 10 Hz from 0 to 3 seconds times = (0.0, 3.0) firing_rate = 10.0 ## Uncomment to model the input firing rates on a sin wave # times = np.linspace(0.0, 3.0, 1000) # firing_rate = 10.0*np.sin(times) + 10.0 psg = PoissonSpikeGenerator() # Uses 'seed' to ensure same results every time psg.add(node_ids='network/thalamus_nodes.h5', firing_rate=firing_rate, times=times, population='thalamus') psg.to_sonata('thalamus.h5') psg.to_csv('thalamus.csv')
import os from bmtk.utils.reports.spike_trains import PoissonSpikeGenerator from bmtk.utils.reports.spike_trains import SpikeTrains import matplotlib.pyplot as plt import numpy as np if os.path.exists('inputs/ramping_spikes.h5'): os.remove('inputs/ramping_spikes.h5') # Create PGN firing rate time_range = np.linspace(0.0, 10.0, 20000) psg = PoissonSpikeGenerator(mode='w') psg.add(node_ids=[0], firing_rate=np.linspace(1.0, 10.0, 30000), population='external', times=time_range) psg.to_sonata('inputs/ramping_spikes.h5') #st = SpikeTrains.from_sonata('inputs/ramping_spikes.h5') #print(st.get_times(0)) #spikes = np.zeros(100001, dtype=np.int) #spikes[(st.get_times(0) / 0.1).astype(np.int)] = 1 #plt.plot(spikes) #plt.show()