neuroidnet.ntr
Class AdThNeuroid

java.lang.Object
  |
  +--neuroidnet.ntr.Neuroid
        |
        +--neuroidnet.ntr.SRMNeuroid
              |
              +--neuroidnet.ntr.AdThNeuroid

All Implemented Interfaces:

Expressive, Input, Serializable, Simulation

public class AdThNeuroid

extends SRMNeuroid

SRM neuroid augmented with an adaptive threshold element that takes the maximum value reached by the membrane potential.

Created: Tue May 7 00:25:30 2002

Modified: $Date: 2003/03/09 19:26:17 $

Version:

$Revision: 1.2 $ for this file.

Author:

Cengiz Gunay

See Also:

Serialized Form

Nested Class Summary

(package private) class	AdThNeuroid.AdaptiveThresholdDevice Describe class AdThNeuroid here.
protected class	AdThNeuroid.Mode Finite state part of the neuroid.

Nested classes inherited from class neuroidnet.ntr.SRMNeuroid

Nested classes inherited from class neuroidnet.ntr.Neuroid

Neuroid.SynapseActivityTask

Field Summary

(package private) AdThNeuroid.AdaptiveThresholdDevice

thresholdDevice The adaptive threshold.

Fields inherited from class neuroidnet.ntr.SRMNeuroid

correctTimesRequired, externalCurrent, refractoryTimeConstant, sumOfCurrentWeights

Fields inherited from class neuroidnet.ntr.Neuroid

area, concept, debug, id, mode, potential, profile, spikeTrain, synapses, timeLastFired, watch

Constructor Summary

AdThNeuroid(Area area)
Creates a threshold with infinite baseline (can never be crossed!).

AdThNeuroid(Area area, double initialThreshold, double refractoryTimeConstant)
Creates a proper neuroid.

Method Summary

void	calculatePotential() Steps the threshold.

Methods inherited from class neuroidnet.ntr.SRMNeuroid

defaultPeriod, fire, getRefractoryTimeConstant, refractoriness, setRefractoryTimeConstant

Methods inherited from class neuroidnet.ntr.Neuroid

addSynapse, dumpData, getArea, getConcept, getId, getMode, getProfile, getProperties, getSpikeTrain, getStatus, getSynapses, getTimeLastFired, init, isDebug, isWatch, makeConcept, setArea, setDebug, setMode, setProfile, setSpikeTrain, setWatch, step, stop, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

thresholdDevice

final AdThNeuroid.AdaptiveThresholdDevice thresholdDevice

The adaptive threshold.

Constructor Detail

AdThNeuroid

public AdThNeuroid(Area area)

Creates a threshold with infinite baseline (can never be crossed!).

Parameters:

area - an Area value

AdThNeuroid

public AdThNeuroid(Area area,
                   double initialThreshold,
                   double refractoryTimeConstant)

Creates a proper neuroid.

Parameters:

area - an Area value

initialThreshold - baseline for the adaptive threshold.

refractoryTimeConstant - a double value

See Also:

AdThNeuroid.AdaptiveThresholdDevice.baseline

Method Detail

calculatePotential

public void calculatePotential()

Steps the threshold.

Overrides:

calculatePotential in class SRMNeuroid

See Also:

SRMNeuroid.fire()