# Command: vogels_sprekeler_synapse

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Name:

    vogels_sprekeler_synapse - Synapse type for symmetric spike-timing
      dependent
      plasticity with constant depression.

Description:

      vogels_sprekeler_synapse is a connector to create synapses with symmetric
      spike time dependent plasticity and constant depression (as defined in [1]).
      The learning rule is symmetric, i.e., the synapse is strengthened
      irrespective of the order of the pre and post-synaptic spikes. Each
      pre-synaptic spike also causes a constant depression of the synaptic weight
      which differentiates this rule from other classical stdp rules.

Parameters:

      tau	 double	- Time constant of STDP window, potentiation in ms
      Wmax	 double	- Maximum allowed weight
      eta	 double	- learning rate
      alpha	 double	- constant depression (= 2 * tau * target firing rate in
      [1])

Transmits:

    SpikeEvent

References:

      [1] Vogels et al. (2011) Inhibitory Plasticity Balances Excitation and
      Inhibition in Sensory Pathways and Memory Networks.
      Science Vol. 334, Issue 6062, pp. 1569-1573
      DOI: 10.1126/science.1211095

Author:

    Ankur Sinha

FirstVersion:

    January 2016

SeeAlso:

- synapsedict

Source:

    /opt/conda/conda-bld/nest_1524088722951/work/nest-2.14.0/models/vogels_sprekeler_connection.h

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