# Model directory: generator¶

The model directory is organized and autogenerated by keywords (e.g., adaptive threshold, conductance-based etc.). Models that contain a specific keyword will be listed under that word. For more information on models, see our intro to NEST models.

## Device¶

gamma_sup_generator – Simulate the superimposed spike train of a population of gamma processes

inhomogeneous_poisson_generator – Provides Poisson spike trains at a piecewise constant rate

mip_generator – Create spike trains as described by the MIP model

poisson_generator – Generate spikes with Poisson process statistics

pulsepacket_generator – Generate sequence of Gaussian pulse packets

sinusoidal_gamma_generator – Generates sinusoidally modulated gamma spike trains

sinusoidal_poisson_generator – Generate sinusoidally modulated Poisson spike trains

spike_dilutor – Repeat incoming spikes with a certain probability

spike_generator – Generate spikes from an array with spike-times

spike_train_injector – Neuron that emits prescribed spike trains.

step_current_generator – Provide a piecewise constant DC input current

step_rate_generator – Provide a piecewise constant input rate

volume_transmitter – Support node for neuromodulated synaptic plasticity