def __init__(self, n, equations, spiketimes=None):
threshold = brian.directcontrol.MultipleSpikeGeneratorThreshold(
[st.value for st in spiketimes])
reset = brian.NoReset()
refractory = 0*ms
BaseNeuronGroup.__init__(self, n,
brian.LazyStateUpdater(),
threshold, reset, refractory,
spiketimes=spiketimes)
def __init__(self, n, equations, **parameters):
threshold = brian.PoissonThreshold()
reset = brian.NoReset()
refractory = 0*ms
BaseNeuronGroup.__init__(self, n,
brian.LazyStateUpdater(),
threshold, reset, refractory,
**parameters)
self.initialize()
def __init__(self, spiketimes):
thresh = brian.directcontrol.MultipleSpikeGeneratorThreshold(
spiketimes)
brian.NeuronGroup.__init__(self,
len(spiketimes),
model=brian.LazyStateUpdater(),
threshold=thresh,
clock=state.simclock,
max_delay=state.max_delay * ms)
self.parameter_names = ['spiketimes']
def __init__(self, spiketimes):
try:
clock = state.simclock
max_delay = state.max_delay*ms
except Exception:
raise Exception("Simulation timestep not yet set. Need to call setup()")
thresh = brian.directcontrol.MultipleSpikeGeneratorThreshold(spiketimes)
brian.NeuronGroup.__init__(self, len(spiketimes),
model=brian.LazyStateUpdater(),
threshold=thresh,
clock=clock,
max_delay=max_delay)
self.parameter_names = ['spiketimes']
def __init__(self, N, rates=0):
try:
clock = state.simclock
max_delay = state.max_delay*ms
except Exception:
raise Exception("Simulation timestep not yet set. Need to call setup()")
brian.NeuronGroup.__init__(self, N, model=brian.LazyStateUpdater(),
threshold=brian.PoissonThreshold(),
clock=clock,
max_delay=max_delay)
self._variable_rate = True
self.rates = rates
self._S0[0] = self.rates(self.clock.t)
self.parameter_names = ['rate', 'start', 'duration']
def __init__(self, N, rates=0):
brian.NeuronGroup.__init__(self,
N,
model=brian.LazyStateUpdater(),
threshold=brian.PoissonThreshold(),
clock=state.simclock,
max_delay=state.max_delay * ms)
if callable(rates): # a function is passed
self._variable_rate = True
self.rates = rates
self._S0[0] = self.rates(self.clock.t)
else:
self._variable_rate = False
self._S[0, :] = rates
self._S0[0] = rates
#self.var_index = {'rate':0}
self.parameter_names = ['rate', 'start', 'duration']