Development of orientation-selective simple cell receptive fields (Rishikesh and Venkatesh, 2003)

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Accession:147929
Implementation of a computational model for the development of simple-cell receptive fields spanning the regimes before and after eye-opening. The before eye-opening period is governed by a correlation-based rule from Miller (Miller, J. Neurosci., 1994), and the post eye-opening period is governed by a self-organizing, experience-dependent dynamics derived in the reference below.
Reference:
1 . Rishikesh N, Venkatesh YV (2003) A computational model for the development of simple-cell receptive fields spanning the regimes before and after eye-opening Neurocomputing 50:125-158
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Model Information (Click on a link to find other models with that property)
Model Type: Realistic Network; Neuron or other electrically excitable cell; Synapse;
Brain Region(s)/Organism: Neocortex;
Cell Type(s):
Channel(s):
Gap Junctions:
Receptor(s):
Gene(s):
Transmitter(s):
Simulation Environment: C or C++ program;
Model Concept(s): Rate-coding model neurons; Unsupervised Learning; Winner-take-all; Development; Orientation selectivity; Vision;
Implementer(s): Narayanan, Rishikesh [rishi at iisc.ac.in];
#ifndef __ANAL__H_
#define __ANAL__H_


#include"Develop.h"
#include"Vector.h"


class Analysis : public Develop
{
protected :

    CortexNeuron ** PhyWts ;        // Physiological Weights...
	unsigned char ** Img ;

public :

	Analysis();
	void LoadStatus(char * filename=NULL);
	void CalculatePhyWeights();
	void CalculateOrientations();
	void CalculateSelectivity();
	void AnalyzeRF();

protected :

	void storephy();
	void phyweight(int xx, int xy, int ax, int ay);
	void assignspace();
};

#endif