The name is absent



54


10--------------------ɪ--------------------1--------------------1--------------------1--------------------1--------------------1--------------------i--------------------1--------------------1--------------------1

О     50    100   150   200   250   300   350   400   450   500

Time (ms)


Second half of Simulation 1 of forked neuron with 1250 weak inputs, Vu = 10 mV

R

20r                                                                b

15

10



-5

‰   550   600   650   700   750   800   850   900   950   1000

Time (ms)

Figure 2.15: A-В) Soma potentials corresponding to the first and second halves of simulation
1 of the “weak” input case using Vth — Ю mV. Note that the reduced system spikes are drawn
for clarification, and that the voltage axis has been scaled so that subthreshold behavior is more
easily seen. Subthreshold behavior is of the nonlinear model is captured well by the reduced model,
especially when less firing occurs, and stars below spikes in (A) indicate that four spikes have been
captured by the reduced model.

the reduced system tend to be very close to the actual spike times.

2.7.2 Thresholding at Multiple Sites

Of course one has no right to expect high accuracy when applying supra-threshold
stimuli to a sub-threshold model. Nonetheless, there are a number of means by which
our crude mechanism may be improved. If we fail to detect a somatic spike because
it was generated in the dendrite, then it may pay to build the reduction in order that



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