VSICLIFNeuron (ERNST API)

java.lang.Object
- cnslab.cnsnetwork.VSICLIFNeuron

All Implemented Interfaces:

Neuron
```
public final class VSICLIFNeuron
extends Object
implements Neuron
```
Implementation of MN model, Same as VSICLIFNeuronV2, but no STDP is available. Please refer to VSICLIFNeuronV2 for details See Mihalas and Niebur 2009 paper

Version:

$Date: 2012-08-04 13:43:22 -0500 (Sat, 04 Aug 2012) $ $Rev: 104 $ $Author: croft $

Author:

Yi Dong, David Wallace Croft, M.Sc., Jeremy Cohen

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

class VSICLIFNeuron.State

Nested Classes
Modifier and Type	Class and Description
`class`	`VSICLIFNeuron.State`

Field Summary

Fields
Modifier and Type	Field and Description
`double`	`clamp_t` clamp the threshold during absolute refractory period
`double`	`clamp_v` clamp the membrane voltage during absolute refractory period
`static double`	`cost`
`static double`	`cost_Schedule`
`static double`	`cost_Update`
`boolean`	`fire` judge whether the neuron fires or not
`double`	`lastInputTime` last time the neuron received a spike
`static double`	`maxWeight`
`static double`	`MINRISETIME` minimum rising time for neuron to fire
`VSICLIFNeuronPara`	`para`
`static double`	`rEPS` the criteria for removing synapses
`VSICLIFNeuron.State[]`	`sta_p` pointer to the state variables
`TreeSet<VSICLIFNeuron.State>`	`state` linked list for state variables
`double`	`tAvg` average time interval a neuron received spikes
`static double`	`tEPS` time accuracy
`long`	`tHost`

Constructor Summary

Constructors
Constructor and Description

VSICLIFNeuron(VSICLIFNeuronPara para)

Constructors
Constructor and Description
`VSICLIFNeuron(VSICLIFNeuronPara para)`

Method Summary

Methods
Modifier and Type	Method and Description
`double[]`	`getCurr()` get the current which is the last updated current
`double[]`	`getCurr(double currTime)`
`double`	`getCurr(int a, double[] curr)`
`double`	`getMemV(double currTime)`
`double`	`getNB(double instantaneousThreshold, double memV, double[] curr)` return nb term
`double`	`getNG(double memV, double[] curr)` return ng term ( membrane voltage - ABGLCAP * membranevoltageNg )
`boolean`	`getRecord()` record the neuron
`double`	`getSensoryWeight()`
`long`	`getTHost()`
`double`	`getTimeOfLastUpdate()`
`double`	`getTimeOfNextFire()` get the value of timeOfNextFire
`void`	`init(int expid, int trialid, Seed idum, Network net, int id)` initialize the neuron
`boolean`	`isSensory()` sensory report
`double`	`memStheta(double t)`
`double`	`memVoltage(double t)` absolute time t
`boolean`	`realFire()`
`double`	`safeD(double t)` absolute time t
`void`	`setMemV(double memV)`
`void`	`setRecord(boolean record)` set the neuron record or not.
`void`	`setTHost(long id)` set the target host id, 0 means none, 1 means yes
`void`	`setTimeOfLastUpdate(double timeOfLastUpdate)`
`void`	`setTimeOfNextFire(double timeOfNextFire)` set a new value to timeOfNextFire
`String`	`toString()`
`double`	`updateFire()` update of the neuron after firing the current time is TimeOfNextFire
`double`	`updateInput(double time, Synapse input)` update of the neuron after receiving a spike the current time is time

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - MINRISETIME
```
public static double MINRISETIME
```
    minimum rising time for neuron to fire
  - tEPS
```
public static double tEPS
```
    time accuracy
  - rEPS
```
public static double rEPS
```
    the criteria for removing synapses
  - maxWeight
```
public static double maxWeight
```
  - cost_Update
```
public static double cost_Update
```
  - cost_Schedule
```
public static double cost_Schedule
```
  - cost
```
public static double cost
```
  - tAvg
```
public double tAvg
```
    average time interval a neuron received spikes
  - lastInputTime
```
public double lastInputTime
```
    last time the neuron received a spike
  - clamp_v
```
public double clamp_v
```
    clamp the membrane voltage during absolute refractory period
  - clamp_t
```
public double clamp_t
```
    clamp the threshold during absolute refractory period
  - fire
```
public boolean fire
```
    judge whether the neuron fires or not
  - tHost
```
public long tHost
```
  - para
```
public VSICLIFNeuronPara para
```
  - state
```
public TreeSet<VSICLIFNeuron.State> state
```
    linked list for state variables
  - sta_p
```
public VSICLIFNeuron.State[] sta_p
```
    pointer to the state variables
- Constructor Detail
  - VSICLIFNeuron
```
public VSICLIFNeuron(VSICLIFNeuronPara para)
```
- Method Detail
  - getCurr
```
public double[] getCurr(double currTime)
```
    Specified by:
    
    getCurr in interface Neuron
    
    Returns:
    neuron's current currents of all the channels
  - getMemV
```
public double getMemV(double currTime)
```
    Specified by:
    
    getMemV in interface Neuron
    
    Returns:
    neuron's current membrane voltage
  - getRecord
```
public boolean getRecord()
```
    Description copied from interface: Neuron
    
    record the neuron
    
    Specified by:
    
    getRecord in interface Neuron
    
    Returns:
    boolean whether it should be recorded
  - getTHost
```
public long getTHost()
```
    Specified by:
    
    getTHost in interface Neuron
    
    Returns:
    the target host, maximum NetHost 64
  - getTimeOfNextFire
```
public double getTimeOfNextFire()
```
    Description copied from interface: Neuron
    
    get the value of timeOfNextFire
    
    Specified by:
    
    getTimeOfNextFire in interface Neuron
    
    Returns:
    the value of timeOfNextFire
  - isSensory
```
public boolean isSensory()
```
    Description copied from interface: Neuron
    
    sensory report
    
    Specified by:
    
    isSensory in interface Neuron
    
    Returns:
    true if the neuron is a sensory neuron
  - realFire
```
public boolean realFire()
```
    Specified by:
    
    realFire in interface Neuron
    
    Returns:
    whether the scheduled neuron fire means the neuron really fires
  - setRecord
```
public void setRecord(boolean record)
```
    Description copied from interface: Neuron
    
    set the neuron record or not.
    
    Specified by:
    
    setRecord in interface Neuron
  - setTHost
```
public void setTHost(long id)
```
    Description copied from interface: Neuron
    
    set the target host id, 0 means none, 1 means yes
    
    Specified by:
    
    setTHost in interface Neuron
  - setTimeOfNextFire
```
public void setTimeOfNextFire(double timeOfNextFire)
```
    Description copied from interface: Neuron
    
    set a new value to timeOfNextFire
    
    Specified by:
    
    setTimeOfNextFire in interface Neuron
    
    Parameters:
    timeOfNextFire - the new value to be used
  - init
```
public void init(int expid,
        int trialid,
        Seed idum,
        Network net,
        int id)
```
    Description copied from interface: Neuron
    
    initialize the neuron
    
    Specified by:
    
    init in interface Neuron
  - updateFire
```
public double updateFire()
```
    Description copied from interface: Neuron
    
    update of the neuron after firing the current time is TimeOfNextFire
    
    Specified by:
    
    updateFire in interface Neuron
    
    Returns:
    the time interval until the next fire event, or negative if no spike is generated
  - updateInput
```
public double updateInput(double time,
                 Synapse input)
```
    Description copied from interface: Neuron
    
    update of the neuron after receiving a spike the current time is time
    
    Specified by:
    
    updateInput in interface Neuron
    
    input - it is a InputEvent event in the input queue
    
    Returns:
    the time interval until next fire event, or negative if no spike is generated
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - getCurr
```
public double[] getCurr()
```
    get the current which is the last updated current
  - getCurr
```
public double getCurr(int a,
             double[] curr)
```
  - getNB
```
public double getNB(double instantaneousThreshold,
           double memV,
           double[] curr)
```
    return nb term
  - getNG
```
public double getNG(double memV,
           double[] curr)
```
    return ng term ( membrane voltage - ABGLCAP * membranevoltageNg )
  - getSensoryWeight
```
public double getSensoryWeight()
```
  - getTimeOfLastUpdate
```
public double getTimeOfLastUpdate()
```
  - setMemV
```
public void setMemV(double memV)
```
  - setTimeOfLastUpdate
```
public void setTimeOfLastUpdate(double timeOfLastUpdate)
```
  - memStheta
```
public double memStheta(double t)
```
  - memVoltage
```
public double memVoltage(double t)
```
    absolute time t
  - safeD
```
public double safeD(double t)
```
    absolute time t

Class VSICLIFNeuron

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MINRISETIME

tEPS

rEPS

maxWeight

cost_Update

cost_Schedule

cost

tAvg

lastInputTime

clamp_v

clamp_t

fire

tHost

para

state

sta_p

Constructor Detail

VSICLIFNeuron

Method Detail

getCurr

getMemV

getRecord

getTHost

getTimeOfNextFire

isSensory

realFire

setRecord

setTHost

setTimeOfNextFire

init

updateFire

updateInput

toString

getCurr

getCurr

getNB

getNG

getSensoryWeight

getTimeOfLastUpdate

setMemV

setTimeOfLastUpdate

memStheta

memVoltage

safeD