Leech Heart (HE) Motor Neuron conductances contributions to NN activity (Lamb & Calabrese 2013)

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Accession:153355
"... To explore the relationship between conductances, and in particular how they influence the activity of motor neurons in the well characterized leech heartbeat system, we developed a new multi-compartmental Hodgkin-Huxley style leech heart motor neuron model. To do so, we evolved a population of model instances, which differed in the density of specific conductances, capable of achieving specific output activity targets given an associated input pattern. ... We found that the strengths of many conductances, including those with differing dynamics, had strong partial correlations and that these relationships appeared to be linked by their influence on heart motor neuron activity. Conductances that had positive correlations opposed one another and had the opposite effects on activity metrics when perturbed whereas conductances that had negative correlations could compensate for one another and had similar effects on activity metrics. "
Reference:
1 . Lamb DG, Calabrese RL (2013) Correlated conductance parameters in leech heart motor neurons contribute to motor pattern formation. PLoS One 8:e79267 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Realistic Network; Neuron or other electrically excitable cell;
Brain Region(s)/Organism: Leech;
Cell Type(s): Leech heart motor neuron (HE);
Channel(s): I Na,p; I A; I K; I K,leak; I K,Ca; I Sodium; I Calcium; I Na, leak;
Gap Junctions: Gap junctions;
Receptor(s):
Gene(s):
Transmitter(s):
Simulation Environment: GENESIS;
Model Concept(s): Action Potential Initiation; Activity Patterns; Bursting; Temporal Pattern Generation; Detailed Neuronal Models; Parameter sensitivity; Conductance distributions;
Implementer(s): Lamb, Damon [Damon.Lamb at neurology.ufl.edu];
Search NeuronDB for information about:  I Na,p; I A; I K; I K,leak; I K,Ca; I Sodium; I Calcium; I Na, leak;
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LambCalabrese2013
lgenesis-noX
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#define TABCREATE 200
#define TABDELETE 202
#define RANDOMIZE 1003
#define REPRODUCE 1004
#define CROSSOVER 1005
#define INVERT 1006
#define MUTATE 1007
#define FITSTATS 1008
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#define UPDATE_PARAMS 1010
#define ACCEPT 1011
#define DISPLAY 1012
#define SAVE3 1013
#define RESTORE3 1014
#define INITSEARCH 1015
#define RESTART 1016
#define EVALUATE 1017
#define DISPLAY2 1018
#define RESTART2 1019
#define LOADBEST 1020
#define UPDATE_PARAMS2 1021
#define LOADTRACE 1022
#define NEXTTRACE 1023
#define RESETALL 1024
#define SAVEBEST 1025
#define RESTOREBEST 1026

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