Biomedical Engineering Reference
In-Depth Information
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Figure 5.7:
Circuit analog of a neural branch.
Passive
Soma
Active HH
Axon
a
a
d
c
b
Figure 5.8:
A structural model of a simple neuron.
radius
a
, a passive soma of radius
b
, a main dendritic trunk of radius
c
, two branches of radius
d
, and a
third branch of radius
e
.
By combining the ideas of active and passive cables with the ability to create branches and changes
in diameter, we have all the concepts needed to create compartment models of any complexity. In fact,
some researchers have created neuronal models, based upon the histology of real neurons that contain
hundreds (or even thousands) of compartments. Although most of these models are two-dimensional,
