def connect_timetable(post_connection,syncomps,totalsyn,netparams,model):
dist=0
syn_params=model.param_syn
simdt=model.param_sim.simdt
#tt_list is list of time tables stored with number of times the time table can be used in the network
tt_list=post_connection.pre.stimtab
dend_loc=post_connection.dend_loc
if getattr(model,'stpYN',False):
stp=post_connection.stp
else:
stp=None
connections={}
num_choices=np.int(np.round(totalsyn))
if num_choices>0:
#randomly select num_choices of synapses without replacement from the entire set
syn_choices=np.random.choice([sc[0] for sc in syncomps],size=num_choices,replace=False,p=[sc[1] for sc in syncomps])
#randomly select subset of time-tables for spike train input
presyn_tt=[select_entry(tt_list) for syn in syn_choices]
print('## connect from tt',post_connection.pre.tablename)
else:
syn_choices=[];presyn_tt=[]
print('&& no connectons from time tables',post_connection.pre.tablename)
#connect the time-table to the synapse with mindelay (set dist=0)
for tt,syn in zip(presyn_tt,syn_choices):
postbranch=util.syn_name(moose.element(syn).parent.path,NAME_HEAD)
log.info('CONNECT: TT {} POST {} {}', tt,syn, postbranch)
synconn(syn,dist,tt,syn_params,netparams.mindelay,simdt=simdt,stp=stp,weight=post_connection.weight)
#save the connection in a dictionary for inspection later
connections[postbranch]=tt.path
return connections
def connect_timetable(post_connection, syncomps, totalsyn, model, mindelay=0):
dist = 0
syn_params = model.param_syn
simdt = model.param_sim.simdt
#tt_list is list of time tables stored with number of times the time table can be used in the network
tt_list = post_connection.pre.stimtab
dend_loc = post_connection.dend_loc
if getattr(model, 'stpYN', False):
stp = post_connection.stp
else:
stp = None
connections = {}
num_choices = np.int(np.round(totalsyn))
if num_choices > 0:
#randomly select num_choices of synapses without replacement from the entire set
syn_choices = np.random.choice([sc[0] for sc in syncomps],
size=num_choices,
replace=False,
p=[sc[1] for sc in syncomps])
#randomly select subset of time-tables for spike train input
#could do this in one line, but then meaningless error message
log.info('>>>>>>>>> num_choices {} for {} {} tt remaining {} from',
num_choices, post_connection.post, post_connection.synapse,
len(tt_list), post_connection.pre.tablename)
if len(tt_list) < 1000: #2*num_choices:
print('>>>>>>>>> num_choices {} for {} {} tt remaining {} from'.
format(num_choices,
post_connection.post, post_connection.synapse,
len(tt_list), post_connection.pre.tablename))
presyn_tt = []
for i, syn in enumerate(syn_choices):
if len(tt_list) > 0:
presyn_tt.append(select_entry(tt_list))
else:
print('table empty', i, syn, tt_list)
#presyn_tt=[select_entry(tt_list) for syn in syn_choices]
else:
syn_choices = []
presyn_tt = []
log.info('&&&&&&&&&&&&&& no connectons from time tables'.format(
post_connection.pre.tablename))
#connect the time-table to the synapse with mindelay (set dist=0)
for tt, syn in zip(presyn_tt, syn_choices):
postbranch = util.syn_name(moose.element(syn).parent.path, NAME_HEAD)
log.debug('CONNECT: TT {} POST {}', tt.path, syn)
synconn(syn,
dist,
tt,
syn_params,
mindelay,
simdt=simdt,
stp=stp,
weight=post_connection.weight)
#save the connection in a dictionary for inspection later.
if postbranch in connections.keys():
connections[postbranch].append(tt.path)
else:
connections[postbranch] = [tt.path]
return connections
def HookUpDend(model, dendrite, container):
#for dend in model.Stimulation.StimParams.which_dendrites:
my_spines = list(
set(moose.element(dendrite).neighbors['handleAxial']).intersection(
set(moose.element(dendrite).children)))
spine_no = len(my_spines)
if not spine_no:
return
synapses = {}
for spine in my_spines:
spine_no = int(''.join(c for c in spine.name if c.isdigit()))
synapses[spine_no] = []
heads = moose.element(spine).neighbors['handleAxial']
for head in heads:
moose_head = moose.element(head)
for child in moose_head.children:
moose_child = moose.element(child)
if moose_child.className == 'SynChan' or moose_child.className == 'NMDAChan':
synapses[spine_no].append(moose_child)
time_tables = MakeTimeTables(model.Stimulation, spine_no)
stimtab = {}
stim_synapses = {}
for spine in time_tables:
stimtab[spine] = moose.TimeTable(
'%s/TimTab%s_%s' % (container.path, dendrite.name, str(spine)))
stimtab[spine].vector = np.array(time_tables[spine])
for synapse in synapses[spine]:
synchan = moose.element(synapse)
print(synapse.path, time_tables[spine])
connect.plain_synconn(synchan, stimtab[spine], 0)
synname = util.syn_name(synchan.path, spines.NAME_HEAD)
if model.desenYN and model.DesensitizationParams[synchan.name]:
dep, weight = plasticity.desensitization(
synchan, model.DesensitizationParams[synchan.name])
stim_synapses[synname] = {}
stim_synapses[synname]['plas'] = dep
stim_synapses[synname]['cum'] = weight
stim_synapses[synname]['syn'] = synchan
synchan.Gbar = synchan.Gbar / 2
return stim_synapses
def connect_timetable(post_connection, syncomps, totalsyn, netparams,
syn_params):
dist = 0
tt_list = post_connection.pre.stimtab
postsyn_fraction = post_connection.postsyn_fraction
num_tt = len(tt_list)
connections = {}
#calculate how many of these timetables should be connected to this synapse type
#randomly select a timetable (presyn_tt), and post-synaptic branch (synpath) for each connection
for i in range(np.int(np.round(totalsyn * postsyn_fraction))):
presyn_tt = select_entry(tt_list)
synpath = select_entry(syncomps)
log.debug('CONNECT: TT {} POST {} ', presyn_tt.path, synpath)
#connect the time table with mindelay (dist=0)
synconn(synpath, dist, presyn_tt, syn_params, netparams.mindelay)
postbranch = util.syn_name(synpath, NAME_HEAD)
connections[postbranch] = presyn_tt.path
return connections
def addPlasticity(cell_pop, caplas_params):
log.info("{} ", cell_pop)
plascum = {}
for cell in cell_pop:
plascum[cell] = {}
allsyncomp_list = moose.wildcardFind(cell + '/##/' +
caplas_params.Plas_syn.Name +
'[ISA=SynChan]')
for synchan in allsyncomp_list:
#if synapse exists
if moose.exists(synchan.path + '/SH'):
log.debug("{} {} {}", cell, synchan.path,
moose.element(synchan.path + '/SH'))
synname = util.syn_name(synchan.path, spines.NAME_HEAD)
plascum[cell][synname] = plasticity2(synchan,
caplas_params.Plas_syn)
return plascum
def connect_neurons(cells, netparams, postype, model):
log.info('CONNECT set: {} {} {}', postype, cells[postype],
netparams.connect_dict[postype])
post_connections = netparams.connect_dict[postype]
connect_list = {pc: {} for pc in cells[postype]}
intra_conns = {
key: []
for key in post_connections.keys()
} # accumulate number of connections of each type to calculate mean
# loop over post-synaptic neurons - convert to list if only singe instance of any type
if not isinstance(cells[postype], list):
temp = cells[postype]
cells[postype] = list([temp])
for postcell in cells[postype]:
postsoma = postcell + '/' + model.param_cond.NAME_SOMA
xpost = moose.element(postsoma).x
ypost = moose.element(postsoma).y
zpost = moose.element(postsoma).z
connect_list[postcell]['postsoma_loc'] = (xpost, ypost, zpost)
# set-up array of post-synapse compartments/synchans
for syntype in post_connections.keys():
connect_list[postcell][syntype] = {}
# make a table of possible post-synaptic connections
for pretype in post_connections[syntype].keys():
dend_prob = post_connections[syntype][pretype].dend_loc
allsyncomp_list = moose.wildcardFind(postcell + '/##/' +
syntype + '[ISA=SynChan]')
print('CREATE_SYNPATH_ARRAY from connect_neurons, pre=',
pretype)
syncomps, totalsyn, availsyns = create_synpath_array(
allsyncomp_list,
syntype,
model.param_syn.NumSyn,
prob=dend_prob)
log.info(
'SYN TABLE for {} {} {} has {} compartments and {} synapses',
postsoma, syntype, pretype, len(syncomps), totalsyn)
if 'extern' in pretype:
print('## connect to tt', postcell, syntype, pretype)
####### connect to time tables instead of other neurons in network
connect_list[postcell][syntype][
pretype] = connect_timetable(
post_connections[syntype][pretype], syncomps,
totalsyn, netparams, model)
intra_conns[syntype].append(
len(connect_list[postcell][syntype][pretype]))
else:
if getattr(model, 'stpYN', False):
stp = post_connections[syntype][pretype].stp
else:
stp = None
spikegen_conns = []
fact = 1
prob = 0
###### connect to other neurons in network: loop over pre-synaptic neurons
for precell in cells[pretype]:
presoma = precell + '/' + model.param_cond.NAME_SOMA
xpre = moose.element(presoma).x
ypre = moose.element(presoma).y
zpre = moose.element(presoma).z
dist = np.sqrt((xpre - xpost)**2 + (ypre - ypost)**2 +
(zpre - zpost)**2)
if post_connections[syntype][pretype].space_const:
fact = post_connections[syntype][
pretype].space_const
# calculate distance between pre- and post-soma
prob = np.exp(-(dist / fact))
elif post_connections[syntype][pretype].probability:
prob = post_connections[syntype][
pretype].probability
else:
print(
'need to specify either probability or space constant in param_net for',
syntype, pretype)
connect = np.random.uniform()
log.debug('{} {} {} {} {} {}', presoma, postsoma, dist,
fact, prob, connect)
# select a random number to determine whether a connection should occur
if connect < prob and dist > 0:
spikegen_conns.append([
moose.wildcardFind(presoma +
'/#[TYPE=SpikeGen]')[0],
(xpre, ypre, zpre), dist
])
if len(spikegen_conns):
num_conn = [
max(
np.random.poisson(post_connections[syntype]
[pretype].num_conns), 1)
for n in spikegen_conns
]
print('&& connect to neuron', postcell, syntype,
'from', pretype, 'num conns', num_conn)
intra_conns[syntype].append(np.sum(num_conn))
# duplicate spikegens in list to match the length of the list syn_choices to be generated
for i in range(len(num_conn) - 1, -1, -1):
for n in range(num_conn[i] - 1):
spikegen_conns.insert(i, spikegen_conns[i])
num_choices = min(len(spikegen_conns), availsyns)
if len(spikegen_conns) > availsyns:
print(
'>>>> uh oh, too few synapses on post-synaptic cell'
)
# randomly select num_choices of synapses
if availsyns == 0:
print(
'>>>>>>>>>>> uh oh, no available synapses on post-synaptic cell'
)
syn_choices = []
else:
syn_choices = np.random.choice(
[sc[0] for sc in syncomps],
size=num_choices,
replace=False,
p=[sc[1] for sc in syncomps])
log.debug('CONNECT: PRE {} POST {} ', spikegen_conns,
syn_choices)
# connect the pre-synaptic spikegens to randomly chosen synapses
for i, syn in enumerate(syn_choices):
postbranch = util.syn_name(
moose.element(syn).parent.path, NAME_HEAD)
precell = spikegen_conns[i][0].parent.path.split(
'/')[2].split('[')[0]
connect_list[postcell][syntype][
precell + CONNECT_SEPARATOR + postbranch] = {
'presoma_loc': spikegen_conns[i][1],
'dist': np.round(spikegen_conns[i][2], 6)
}
log.debug('{}', connect_list[postcell][syntype])
# connect the synapse
# print('** intrinsic synconn',i,syn,spikegen_conns[i][2],spikegen_conns[i][0].path)
synconn(syn,
spikegen_conns[i][2],
spikegen_conns[i][0],
model.param_syn,
netparams.mindelay,
netparams.cond_vel,
stp_params=stp)
else:
print(' no pre-synaptic cells selected for',
postcell, 'from', pretype)
tmp = [
np.mean(intra_conns[syn]) / len(cells[postype])
for syn in intra_conns.keys()
]
print('mean number of intra-network connections', intra_conns, tmp)
return connect_list
def connect_neurons(cells, netparams, postype, model):
log.info('CONNECT set: {} {} {}', postype, cells[postype],netparams.connect_dict[postype])
post_connections=netparams.connect_dict[postype]
connect_list = {pc:{} for pc in cells[postype]}
intra_conns={key:[] for key in post_connections.keys()} #accumulate number of connections of each type to calculate mean
#loop over post-synaptic neurons - convert to list if only singe instance of any type
if not isinstance(cells[postype],list):
temp=cells[postype]
cells[postype]=list([temp])
for postcell in cells[postype]:
postsoma=postcell+'/'+model.param_cond.NAME_SOMA
xpost=moose.element(postsoma).x
ypost=moose.element(postsoma).y
zpost=moose.element(postsoma).z
connect_list[postcell]['postsoma_loc']=(xpost,ypost,zpost)
#set-up array of post-synapse compartments/synchans
for syntype in post_connections.keys():
connect_list[postcell][syntype]={}
#make a table of possible post-synaptic connections
for pretype in post_connections[syntype].keys():
dend_prob=post_connections[syntype][pretype].dend_loc
allsyncomp_list=moose.wildcardFind(postcell+'/##/'+syntype+'[ISA=SynChan]')
print('CREATE_SYNPATH_ARRAY from connect_neurons, pre=', pretype)
syncomps,totalsyn,availsyns=create_synpath_array(allsyncomp_list,syntype,model.param_syn.NumSyn,prob=dend_prob)
log.info('SYN TABLE for {} {} {} has {} compartments and {} synapses', postsoma, syntype, pretype,len(syncomps),totalsyn)
if 'extern' in pretype:
print('## connect to tt',postcell,syntype,pretype)
####### connect to time tables instead of other neurons in network
connect_list[postcell][syntype][pretype]=connect_timetable(post_connections[syntype][pretype],syncomps,totalsyn,netparams,model.param_syn,model.param_sim.simdt)
intra_conns[syntype].append(len(connect_list[postcell][syntype][pretype]))
else:
if getattr(model,'stpYN',False):
stp=post_connections[syntype][pretype].stp
else:
stp=None
spikegen_conns=[]
fact=1;prob=0
###### connect to other neurons in network: loop over pre-synaptic neurons
for precell in cells[pretype]:
presoma=precell+'/'+model.param_cond.NAME_SOMA
xpre=moose.element(presoma).x
ypre=moose.element(presoma).y
zpre=moose.element(presoma).z
dist=np.sqrt((xpre-xpost)**2+(ypre-ypost)**2+(zpre-zpost)**2)
if post_connections[syntype][pretype].space_const:
fact=post_connections[syntype][pretype].space_const
#calculate distance between pre- and post-soma
prob=np.exp(-(dist/fact))
elif post_connections[syntype][pretype].probability:
prob=post_connections[syntype][pretype].probability
else:
print('need to specify either probability or space constant in param_net for', syntype,pretype)
connect=np.random.uniform()
log.debug('{} {} {} {} {} {}', presoma,postsoma,dist,fact,prob,connect)
#select a random number to determine whether a connection should occur
if connect<prob and dist>0:
spikegen_conns.append([moose.wildcardFind(presoma+'/#[TYPE=SpikeGen]')[0],(xpre,ypre,zpre),dist])
if len(spikegen_conns):
num_conn=[max(np.random.poisson(post_connections[syntype][pretype].num_conns),1) for n in spikegen_conns]
print('&& connect to neuron', postcell,syntype,'from',pretype,'num conns',num_conn)
intra_conns[syntype].append(np.sum(num_conn))
#duplicate spikegens in list to match the length of the list syn_choices to be generated
for i in range(len(num_conn)-1,-1,-1):
for n in range(num_conn[i]-1):
spikegen_conns.insert(i,spikegen_conns[i])
num_choices=min(len(spikegen_conns),availsyns)
if len(spikegen_conns)>availsyns:
print('>>>> uh oh, too few synapses on post-synaptic cell')
#randomly select num_choices of synapses
if availsyns==0:
print('>>>>>>>>>>> uh oh, no available synapses on post-synaptic cell')
syn_choices=[]
else:
syn_choices=np.random.choice([sc[0] for sc in syncomps],size=num_choices,replace=False,p=[sc[1] for sc in syncomps])
log.debug('CONNECT: PRE {} POST {} ', spikegen_conns,syn_choices)
#connect the pre-synaptic spikegens to randomly chosen synapses
for i,syn in enumerate(syn_choices):
postbranch=util.syn_name(moose.element(syn).parent.path,NAME_HEAD)
precell=spikegen_conns[i][0].parent.path.split('/')[2].split('[')[0]
connect_list[postcell][syntype][precell+CONNECT_SEPARATOR+postbranch]={'presoma_loc':spikegen_conns[i][1],'dist':np.round(spikegen_conns[i][2],6)}
log.debug('{}',connect_list[postcell][syntype])
#connect the synapse
#print('** intrinsic synconn',i,syn,spikegen_conns[i][2],spikegen_conns[i][0].path)
synconn(syn,spikegen_conns[i][2], spikegen_conns[i][0],model.param_syn,netparams.mindelay,netparams.cond_vel,stp_params=stp)
else:
print(' no pre-synaptic cells selected for',postcell, 'from',pretype)
tmp=[np.mean(intra_conns[syn])/len(cells[postype]) for syn in intra_conns.keys()]
print('mean number of intra-network connections', intra_conns,tmp)
return connect_list
def connect_neurons(cells, netparams, postype, model):
log.debug('CONNECT set: {} {} {}', postype, cells[postype],
netparams.connect_dict[postype])
post_connections = netparams.connect_dict[postype]
connect_list = {}
#loop over post-synaptic neurons - convert to list if only singe instance of any type
if not isinstance(cells[postype], list):
temp = cells[postype]
cells[postype] = list([temp])
for postcell in cells[postype]:
connect_list[postcell] = {}
postsoma = postcell + '/' + model.param_cond.NAME_SOMA
xpost = moose.element(postsoma).x
ypost = moose.element(postsoma).y
zpost = moose.element(postsoma).z
#set-up array of post-synapse compartments/synchans
for syntype in post_connections.keys():
allsyncomp_list = moose.wildcardFind(postcell + '/##/' + syntype +
'[ISA=SynChan]')
connect_list[postcell][syntype] = {}
#make a table of possible post-synaptic connections
syncomps, totalsyn = create_synpath_array(allsyncomp_list, syntype,
model.param_syn.NumSyn)
log.debug(
'SYN TABLE for {} {} has {} compartments and {} synapses',
postsoma, syntype, len(syncomps), totalsyn)
for pretype in post_connections[syntype].keys():
if 'extern' in pretype:
####### connect to time tables instead of other neurons in network
connect_list[postcell][syntype] = connect_timetable(
post_connections[syntype][pretype], syncomps, totalsyn,
netparams, model.param_syn)
else:
###### connect to other neurons in network: loop over pre-synaptic neurons
for precell in cells[pretype]:
presoma = precell + '/' + model.param_cond.NAME_SOMA
fact = post_connections[syntype][pretype].space_const
xpre = moose.element(presoma).x
ypre = moose.element(presoma).y
zpre = moose.element(presoma).z
#calculate distance between pre- and post-soma
dist = np.sqrt((xpre - xpost)**2 + (ypre - ypost)**2 +
(zpre - zpost)**2)
prob = np.exp(-(dist / fact))
connect = np.random.uniform()
log.debug('{} {} {} {} {} {}', presoma, postsoma, dist,
fact, prob, connect)
#select a random number to determine whether a connection should occurmore c
if connect < prob and dist > 0 and len(syncomps) > 0:
spikegen = moose.wildcardFind(
presoma + '/#[TYPE=SpikeGen]')[0]
#if so, randomly select a branch, and then eliminate that branch from the table.
#presently only a single synapse established. Need to expand this to allow multiple conns
synpath = select_entry(syncomps)
log.debug('CONNECT: PRE {} POST {} DIST {}',
spikegen, synpath, dist)
#list of connections for further processing if desired. Assumes one conn per synpath (which might be a problem)
postbranch = util.syn_name(synpath, NAME_HEAD)
connect_list[postcell][syntype][postbranch] = {
'postloc': (xpost, ypost, zpost),
'pre': precell,
'preloc': (xpre, ypre, zpre),
'dist': dist,
'prob': prob
}
log.debug('{}', connect_list[postcell][syntype])
#connect the synapse
synconn(synpath, dist, spikegen, model.param_syn,
netparams.mindelay, netparams.cond_vel)
return connect_list
def connect_neurons(cells, netparams, postype, model):
print_cells = 3
print('CONNECT_NEURONS, num cells', len(cells[postype]), ', a few cells',
[cl for cl in cells[postype][0:print_cells]])
log.info('CONNECT set: {} {} {}', postype, cells[postype],
netparams.connect_dict[postype])
post_connections = netparams.connect_dict[postype]
connect_list = {pc: {} for pc in cells[postype]}
intra_conns = {
key: {k: []
for k in post_connections[key].keys()}
for key in post_connections.keys()
} #accumulate number of connections of each type to calculate mean
#loop over post-synaptic neurons - convert to list if only singe instance of any type
if not isinstance(cells[postype], list):
temp = cells[postype]
cells[postype] = list([temp])
synchan_shortage = {k: {} for k in post_connections.keys()}
for ix, postcell in enumerate(cells[postype]):
postsoma = postcell + '/' + model.param_cond.NAME_SOMA
xpost = moose.element(postsoma).x
ypost = moose.element(postsoma).y
zpost = moose.element(postsoma).z
connect_list[postcell]['postsoma_loc'] = (xpost, ypost, zpost)
#set-up array of post-synapse compartments/synchans
for syntype in post_connections.keys():
synchan_shortage[syntype][postcell] = 0
connect_list[postcell][syntype] = {}
#make a table of possible post-synaptic connections
for pretype in post_connections[syntype].keys():
dend_prob = post_connections[syntype][pretype].dend_loc
allsyncomp_list = moose.wildcardFind(postcell + '/##/' +
syntype + '[ISA=SynChan]')
syncomps, totalsyn, availsyns = create_synpath_array(
allsyncomp_list,
syntype,
model.param_syn.NumSyn[postype],
prob=dend_prob,
soma_loc=[xpost, ypost, zpost])
if ix < print_cells:
print(
' SYN TABLE for {} {} from {} has {} slots and {} synapses avail'
.format(postsoma, syntype, pretype, len(syncomps),
availsyns))
if 'extern' in pretype:
if ix < print_cells:
print('## connect to tt', postcell, syntype, pretype,
'from',
post_connections[syntype][pretype].pre.filename)
####### connect to time tables instead of other neurons in network
connect_list[postcell][syntype][
pretype] = connect_timetable(
post_connections[syntype][pretype], syncomps,
totalsyn, model)
intra_conns[syntype][pretype].append(
np.sum([
len(item) for item in connect_list[postcell]
[syntype][pretype].values()
]))
else:
if getattr(model, 'stpYN', False):
stp = post_connections[syntype][pretype].stp
else:
stp = None
spikegen_conns = []
fact = 1
prob = 0
###### connect to other neurons in network: loop over pre-synaptic neurons
for precell in cells[pretype]:
presoma = precell + '/' + model.param_cond.NAME_SOMA
xpre = moose.element(presoma).x
ypre = moose.element(presoma).y
zpre = moose.element(presoma).z
dist = np.sqrt((xpre - xpost)**2 + (ypre - ypost)**2 +
(zpre - zpost)**2)
if post_connections[syntype][pretype].space_const:
fact = post_connections[syntype][
pretype].space_const
#calculate distance between pre- and post-soma
prob = np.exp(-(dist / fact))
elif post_connections[syntype][pretype].probability:
prob = post_connections[syntype][
pretype].probability
else:
print(
'need to specify either probability or space constant in param_net for',
syntype, pretype)
connect = np.random.uniform()
log.debug('{} {} {} {} {} {}', presoma, postsoma, dist,
fact, prob, connect)
#select a random number to determine whether a connection should occur
if connect < prob and dist > 0:
spikegen_conns.append([
moose.wildcardFind(presoma +
'/#[TYPE=SpikeGen]')[0],
(xpre, ypre, zpre), dist
])
if len(spikegen_conns):
num_conn = [
max(
np.random.poisson(post_connections[syntype]
[pretype].num_conns), 1)
for n in spikegen_conns
]
if ix < print_cells:
print('&& connect to neuron', postcell, syntype,
'from', pretype, 'num conns', num_conn)
intra_conns[syntype][pretype].append(np.sum(num_conn))
#duplicate spikegens in list to match the length of the list syn_choices to be generated
for i in range(len(num_conn) - 1, -1, -1):
for n in range(num_conn[i] - 1):
spikegen_conns.insert(i, spikegen_conns[i])
num_choices = min(len(spikegen_conns), availsyns)
if len(spikegen_conns) > availsyns:
if ix < print_cells:
print(
'$$$$$$ uh oh, too few synapses on post-synaptic cell, need',
len(spikegen_conns), ', avail', availsyns)
synchan_shortage[syntype][
postcell] = synchan_shortage[syntype][
postcell] + len(spikegen_conns) - availsyns
#randomly select num_choices of synapses
if availsyns == 0:
if ix < print_cells:
print(
'$$$$$$$$$$$$$$$$ even worse, no available synapses on post-synaptic cell'
)
syn_choices = []
else:
syn_choices = np.random.choice(
[sc[0] for sc in syncomps],
size=num_choices,
replace=False,
p=[sc[1] for sc in syncomps])
log.debug('CONNECT: PRE {} POST {} ', spikegen_conns,
syn_choices)
#connect the pre-synaptic spikegens to randomly chosen synapses
#print('** intrinsic synconns',pretype, 'one mindelay',netparams.mindelay[pretype],'all cond',netparams.cond_vel, 'num cons:',len(syn_choices))
for i, syn in enumerate(syn_choices):
postbranch = util.syn_name(
moose.element(syn).parent.path, NAME_HEAD)
precell = spikegen_conns[i][0].parent.path.split(
'/')[2].split('[')[0]
connect_list[postcell][syntype][
precell + CONNECT_SEPARATOR + postbranch] = {
'presoma_loc': spikegen_conns[i][1],
'dist': np.round(spikegen_conns[i][2], 6)
}
log.debug('{}', connect_list[postcell][syntype])
#connect the synapse
#print('** intrinsic synconn',i,syn,spikegen_conns[i][2],spikegen_conns[i][0].path)
synconn(syn,
spikegen_conns[i][2],
spikegen_conns[i][0],
model.param_syn,
netparams.mindelay[pretype],
netparams.cond_vel[pretype],
stp=stp,
weight=post_connections[syntype]
[pretype].weight)
else:
intra_conns[syntype][pretype].append(0)
if len(cells[pretype]):
print(' !!! no pre-synaptic cells selected for',
postcell, 'from', pretype, 'connect=',
connect, '>? prob=', prob, 'or dist=0?',
dist)
else:
print(' !!! no pre-synaptic cells selected for',
postcell, ' because no', pretype,
'in population')
for syn in intra_conns.keys():
tmp = [(pre,
np.sum(intra_conns[syn][pre]) / float(len(cells[postype])))
for pre in intra_conns[syn].keys()]
print('*************** number of intra-network connections to',
postype, syn, 'from\n', intra_conns[syn], '\nmean', tmp)
print('@@@@@@@@@@@@@@@@@@ summary of synchan shortage for', postype)
for syn, syn_short in synchan_shortage.items():
if np.sum(list(syn_short.values())) > 0:
print(syn, ':::', [short for short in syn_short.values()], 'mean',
np.mean([short for short in syn_short.values()]))
else:
print(syn, '::: shortage=0')
return connect_list, {'intra': intra_conns, 'shortage': synchan_shortage}
