def addNetStim (self, params, stimContainer=None):
from .. import sim
if not stimContainer:
self.stims.append(Dict(params.copy())) # add new stim to Cell object
stimContainer = self.stims[-1]
if sim.cfg.verbose: print((' Created %s NetStim for cell gid=%d'% (params['source'], self.gid)))
if sim.cfg.createNEURONObj:
rand = h.Random()
stimContainer['hRandom'] = rand # add netcon object to dict in conns list
if isinstance(params['rate'], str):
if params['rate'] == 'variable':
try:
netstim = h.NSLOC()
netstim.interval = 0.1**-1*1e3 # inverse of the frequency and then convert from Hz^-1 to ms (set very low)
netstim.noise = params['noise']
except:
print('Error: tried to create variable rate NetStim but NSLOC mechanism not available')
else:
print('Error: Unknown stimulation rate type: %s'%(h.params['rate']))
else:
netstim = h.NetStim()
netstim.interval = params['rate']**-1*1e3 # inverse of the frequency and then convert from Hz^-1 to ms
netstim.noise = params['noise'] # note: random number generator initialized via Random123() from sim.preRun()
netstim.start = params['start']
netstim.number = params['number']
stimContainer['hNetStim'] = netstim # add netstim object to dict in stim list
return stimContainer['hNetStim']
def createcell(cellid, interval, number, start, noise):
from neuron import h # Open NEURON
cell = h.NSLOC() # Create a new NSLOC unit
cell.interval = interval
cell.number = number
cell.start = start
cell.noise = noise
#cell.type = celltype # Set cell celltype (used for setting celltype-specific dynamics)
cell.id = cellid # Cell ID for keeping track which cell this is
return cell