startshape NEURONS background{ b -1}
# if one wants more neurons one can make put more neurons here rule NEURONS 3 {
NEURON{s 1.5 r 180 b .9 hue 75 sat 50}
}
# axon to one side, 2 branchings dendritic processes to the other rule NEURON {
AXON {} BODY {} BRANCH { x -.5 y -.3 r 140} BRANCH { x .5 y -.3 r 220}
} # use the interplay between the two rules below to get some brightness variation along the axon rule AXON 70 {
CIRCLE {size .1 } AXON {s .999 r 1 y .1 x .05 b -.1 }
}
rule AXON 70 {
CIRCLE {size .1} AXON {s .999 r -1 y .1 x -.05 b .4}
}
# somewhere in the neuron show a synapse rule AXON 10 {
SYNAPSE {alpha 1 s .8} AXON {s .999 r -1 y .1 x -.05 b .4}
}
# 1 -the trick for the lens flare is the hue and sat change. # 2 - the probability of synapse changes the sizes of the glow rule SYNAPSE 15 {
CIRCLE {s .1} SYNAPSE {s 1.05 alpha -.033 sat -.015 }
}
rule SYNAPSE {}
# the axon ends in a dendritic tree rule AXON 1 {
BRANCH {}
}
# the cell body should be somewhat triangular… rule BODY{
PROCESS {} PROCESS {r 120} PROCESS {r 240} MEMBRANE {} # NUCLEUS {}
}
# … and lighter in the middle rule MEMBRANE {
BODY {s .6 b -.3}
}
rule PROCESS {
FORMATION {r 1 s .8 } }
rule FORMATION {
CIRCLE {s .5 } PROCESS {y .13}
}
# the conjunction of the two rules below # adds zigzags to the dendrites.
rule DENDRITE 80 {
CIRCLE {size .1 } DENDRITE {s .995 x -.05 y .1}
}
rule DENDRITE 80 {
CIRCLE {size .1} DENDRITE {s .995 x .05 y .1}
}
# smaller and darker until negligible rule DENDRITE 5 {
BRANCH {s .98 b .1}
}
# start a neuron and a synapse at the end of a dendrite
rule DENDRITE 0.5 {
NEURON {s .8 r 45 b 0 hue -30} SYNAPSE { s .4 alpha 1}
}
# the main branching rule rule BRANCH{
DENDRITE {s .95 r -15} DENDRITE {s .95 r 15 }
}