def connections_on(self, gid):
connections=[]
# Add incoming excitatory connections.
for i in sample_subset(gid, 0, self.ncells_exc_, self.in_degree_exc_):
connections.append(arbor.connection((i,0), 0, self.weight_exc_, self.delay_))
# Add incoming inhibitory connections.
for i in sample_subset(gid, self.ncells_exc_, self.ncells_exc_ + self.ncells_inh_, self.in_degree_inh_):
connections.append(arbor.connection((i,0), 0, self.weight_inh_, self.delay_))
return connections
def connections_on(self, gid):
# Todo: optimise!!
pop_id, index = self.get_pop_index(gid)
conns = []
for proj in self.nl_network.projections:
if pop_id == proj.postsynaptic:
w = self.proj_weights[proj.id]
in_w = w.T[index]
d = self.proj_delays[proj.id]
in_d = d.T[index]
print_v(
"Incoming connections for gid %i (%s[%s]), w: %s; d: %s" %
(gid, pop_id, index, in_w, in_d))
for src_index in range(len(in_w)):
if in_w[src_index] > 0:
src_gid = self.get_gid(proj.presynaptic, src_index)
conns.append(
arbor.connection(
(src_gid, "detector"),
"syn",
in_w[src_index],
in_d[src_index],
))
print_v("Making connections for gid %i (%s[%s]): %s" %
(gid, pop_id, index, conns))
return conns
def connections_on(self, gid):
src = (gid - 1) % self.ncells
w = 0.01
d = 5
return [
arbor.connection(arbor.cell_member(src, 0),
arbor.cell_member(gid, 0), w, d)
]
def connections_on(self, gid):
if (gid == 0) or (gid % self.ncells_per_chain > 0):
return []
else:
src = gid - 1
w = 0.05
d = 10
return [arbor.connection((src, 'detector'), 'syn', w, d)]
def connections_on(self, gid):
gen = RandomState(gid + self.seed_)
connections = []
# Add incoming excitatory connections.
connections = [
arbor.connection((i, "src"), "tgt", self.weight_exc_, self.delay_)
for i in sample_subset(gen, gid, 0, self.ncells_exc_,
self.in_degree_exc_)
]
# Add incoming inhibitory connections.
connections += [
arbor.connection((i, "src"), "tgt", self.weight_inh_,
self.delay_) for i in sample_subset(
gen, gid, self.ncells_exc_, self.ncells_exc_ +
self.ncells_inh_, self.in_degree_inh_)
]
return connections
def connections_on(self, gid):
src = (gid-1)%self.ncells
w = 0.01 # 0.01 μS on expsyn
d = 5 # ms delay
return [arbor.connection((src,'detector'), 'syn', w, d)]
def connections_on(self, gid):
src = (gid-1)%self.ncells
w = 0.01
d = 5
return [arbor.connection((src,'detector'), 'syn', w, d)]
