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A Sheet class implementing the SLISSOM algorithm (Choe and Miikkulainen, Neurocomputing 21:139-157, 1998).
A SLISSOM sheet is a LISSOM sheet extended to include spiking neurons using dynamic synapses.
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threshold = param.Number(default= 0.3, bounds= (0, None), doc=Baseline threshold |
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threshold_decay_rate = param.Number(default= 0.01, bounds= (0,Dynamic threshold decay rate |
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absolute_refractory = param.Number(default= 1.0, bounds= (0, NAbsolute refractory period |
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dynamic_threshold_init = param.Number(default= 2.0, bounds= (0Initial value for dynamic threshold when spike occurs |
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spike_amplitude = param.Number(default= 1.0, bounds= (0, None)Amplitude of spike at the moment of spiking |
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reset_on_new_iteration = param.Boolean(default= False, doc= "RReset activity and projection activity when new iteration starts |
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noise_rate = param.Number(default= 0.0, bounds= (0, 1.0), doc=Noise added to the on-going activity |
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trace_coords = param.List(default= [], doc= "List of coord(s) List of coord(s) of membrane potential(s) to track over time |
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trace_n = param.Number(default= 400, bounds= (1, None), doc= "Number of steps to track neuron's membrane potential |
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dynamic_threshold = None
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spike = None
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spike_history = None
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membrane_potential = None
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membrane_potential_trace = None
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trace_count = 0int(x[, base]) -> integer |
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name = <param.parameterized.String object at 0xb4638ec>String identifier for this object. |
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thresholdBaseline threshold
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threshold_decay_rateDynamic threshold decay rate
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absolute_refractoryAbsolute refractory period
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dynamic_threshold_initInitial value for dynamic threshold when spike occurs
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spike_amplitudeAmplitude of spike at the moment of spiking
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reset_on_new_iterationReset activity and projection activity when new iteration starts
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noise_rateNoise added to the on-going activity
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trace_coordsList of coord(s) of membrane potential(s) to track over time
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trace_nNumber of steps to track neuron's membrane potential
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trace_countint(x[, base]) -> integer Convert a string or number to an integer, if possible. A floating point argument will be truncated towards zero (this does not include a string representation of a floating point number!) When converting a string, use the optional base. It is an error to supply a base when converting a non-string. If base is zero, the proper base is guessed based on the string content. If the argument is outside the integer range a long object will be returned instead.
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