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Alpha synapse: rise time and decay time are both tau_syn.
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Alpha current synapse: rise time and decay time are both **tau.**
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:param tau: Time course for rise and decay
:type tau: time
:param ibase: Baseline current increase after receiving a spike
:type ibase: current
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Alpha synapse: rise time and decay time are both tau_syn.
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Ohmic synapse model where rise time and decay time are both **tau.** Max conductance reached during this time ( assuming zero conductance before ) is **gbase** * **weight.**
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:param tau: Time course of rise/decay
:type tau: time
:param gbase: Baseline conductance, generally the maximum conductance following a single spike
:type gbase: conductance
:param erev: Reversal potential of the synapse
:type erev: voltage
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Synapse model which exposes a conductance **g** in addition to producing a current.
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Synapse model suited for a sum of two expTwoSynapses which exposes a conductance **g** in addition to producing a current.
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Synapse model which produces a synaptic current.
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Base type for all PyNN synapses.
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Base type for synapses with a dependence on membrane potential
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Biexponential synapse that allows for optional block and plasticity mechanisms, which can be expressed as child elements.
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Synapse consisting of two independent synaptic mechanisms ( e.
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Conductance based synapse with instantaneous rise and single exponential decay ( with time constant tau_syn )
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:param e_rev:
:type e_rev: none
:param tau_syn:
:type tau_syn: none
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Current based synapse with instantaneous rise and single exponential decay ( with time constant tau_syn )
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:param tau_syn:
:type tau_syn: none
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Ohmic synapse model whose conductance rises instantaneously by ( **gbase** * **weight** ) on receiving an event, and which decays exponentially to zero with time course **tauDecay**
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:param tauDecay: Time course of decay
:type tauDecay: time
:param gbase: Baseline conductance, generally the maximum conductance following a single spike
:type gbase: conductance
:param erev: Reversal potential of the synapse
:type erev: voltage
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Ohmic synapse similar to expTwoSynapse but consisting of two components that can differ in decay times and max conductances but share the same rise time.
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Ohmic synapse model whose conductance waveform on receiving an event has a rise time of **tauRise** and a decay time of **tauDecay.** Max conductance reached during this time ( assuming zero conductance before ) is **gbase** * **weight.**
\n
:param tauRise:
:type tauRise: time
:param tauDecay:
:type tauDecay: time
:param gbase: Baseline conductance, generally the maximum conductance following a single spike
:type gbase: conductance
:param erev: Reversal potential of the synapse
:type erev: voltage
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Gap junction/single electrical connection
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:param conductance:
:type conductance: conductance
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Behaves just like a one way gap junction.
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Dummy synapse which emits no current.