objref synList
obfunc distSynsUniform() { local totalL, totalSyns localobj lengthList, cumLList, tobj, toAdd, randomNum, r2, randomVec, distList
// INPUTS
// totalSyns = $1
// section list for synapses to be distributed over= $2
// gmax = $3, this is the max conductance of the nmda current
// ntar = $4, this defines the conductance of the ampa current
// with ampa current = gmax/ntar
lengthList = new Vector(0) // a vector of branch lengths in order
totalSyns = $1
totalL = 0
forsec $o2 {
totalL += L
lengthList.append(L)
}
cumLList = new Vector(lengthList.size()) // a vector of the cummulative
// branch length, in order
for i=0,lengthList.size()1{
cumLList.x[i]=lengthList.sum(0,i)
}
synList = new List()
randomNum = new Random()
randomNum.uniform(0,totalL)
randomVec = new Vector(totalSyns)
randomNum.ACG(seed)
randomVec.setrand(randomNum)
randomVec.sort()
toAdd = new Vector(0)
for i=0, lengthList.size()1{
howManyToAdd=0
while (randomVec.x[0]<cumLList.x[i]){
howManyToAdd += 1
randomVec.remove(0)
if (randomVec.size()<1){randomVec.append(99999999999999)}
}
toAdd.append(howManyToAdd)
}
ind = 0
distList = new Vector(0)
access L5PC.soma
distance()
r2 = new Random()
forsec $o2 {
for i=1,toAdd.x[ind]{
where = r2.uniform(0,1)
distList.append(distance(where))
//tobj = new Exp2Syn(where)
tobj = new AlphaSynapse(where)
synList.append(tobj)
}
ind+=1
}
for i=0,synList.count()1{
synList.object(i).tau = 5
synList.object(i).e = 70 //bernander, douglas, martin, koch 1991 paper has this as 1.5ms
synList.object(i).gmax = 0.01 //bernander, douglas, martin, koch 1991 paper has this as 0 V
//synList.object(i).gmax = $3
//synList.object(i).ntar = $4
//synList.object(i).del = 500
//synList.object(i).Tspike = 20
//synList.object(i).Nspike = 1
}
return synList
} //end procedure
