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Neural network modeling in studying neuron mechanisms of visual perception

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6 Author(s)
I. A. Rybak ; A.B. Kogan Res. Inst. for Neurocybern., Rostov State Univ., Russia ; L. N. Podladchikova ; N. A. Shevtsova ; A. V. Golovan
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An investigation including the development of realistic neural network models, computer experiments, and verification of their predictions in neurophysiological experiments made it possible to obtain a set of principally new facts on spatial and temporal dynamics of VC (visual cortex) neurons OS (orientation selectivity) and to develop a method of parallel-sequential processing of images. Attention was given to the temporal dynamics of the OS of the VC neurons, the spatial dynamics of the OS, and neural mechanisms of context description of visual object elements. Conformity of results of computer simulations and neurophysiological experiments supports the conceptual model of the iso-orientation domain described. The data obtained can be considered as an additional arguments in favor of the hypothesis that anisotropy of lateral inhibitory connections in the VC is one of the main mechanisms of formation of OS

Published in:

Neuroinformatics and Neurocomputers, 1992., RNNS/IEEE Symposium on

Date of Conference:

7-10 Oct 1992