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An Abstract Model of a Cortical Hypercolumn

Fulltext:


Authors:

Baran Çürüklü, Anders Lansner

Research group:

Robotics

Publication Type:

Conference/Workshop Paper

Venue:

Proc. of the 9th International Conference on Neural Information Processing

Publisher:

IEEE

Abstract

An abstract model of a cortical hypercolumn is presented. This model could replicate experimental findings relating to the orientation tuning mechanism in the primary visual cortex. Properties of the orientation selective cells in the primary visual cortex like, contrast-invariance and response saturation were demonstrated in simulations. We hypothesize that broadly tuned inhibition and local excitatory connections are sufficient for achieving this behavior. We have shown that the local intracortical connectivity of the model is to some extent biologically plausible.

Bibtex

@inproceedings{Curuklu358,
author = {Baran {\c{C}}{\"u}r{\"u}kl{\"u} and Anders Lansner},
title = {An Abstract Model of a Cortical Hypercolumn},
editor = {Wang L, Rajapakse JC, Fukushima K, Lee S-Y, Yao X},
pages = {80--85},
month = {November},
year = {2002},
booktitle = {Proc. of the 9th International Conference on Neural Information Processing},
publisher = {IEEE},
url = {http://www.es.mdu.se/publications/358-}
}