Spatial information processing in higher area of visual system

Author

Gabibov, I.M.

Author_Institution

Pavlov Inst. of Physiol., Acad. of Sci., St. Petersburg, Russia

fYear

1992

Firstpage

641

Abstract

A study of receptive fields of neurons of prestriate-cortex cats has shown that they consist of different zones from one to nine. It was also shown that the orientation and spatial-frequency characteristics of different neurons depend on the number of simultaneously stimulated zones, and the properties of different zones depend on the characteristics of different elements in the striate cortex. Every zone of the receptive field has its own representation in the visual field. A mathematical analysis of the characteristics of the receptive field and different zones showed that the characteristics of the whole receptive field are a result of spatial interaction (algebraic summation) observed between different zones. This mechanism underlies the formation of the main properties of prestriate cortex neurons, including their ability pertaining to nonlinearity and reconstruction

Keywords

brain; cellular biophysics; physiological models; vision; algebraic summation; nonlinearity; orientation characteristics; prestriate cortex neurons; prestriate-cortex cats; receptive fields; reconstruction; spatial information processing; spatial interaction; spatial-frequency characteristics; visual system; Cats; Extracellular; Eyes; Information processing; Mathematics; Mechanical factors; Neurons; Physiology; Testing; Visual system;

fLanguage

English

Publisher

ieee

Conference_Titel

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

Conference_Location

Rostov-on-Don

Print_ISBN

0-7803-0809-3

Type

conf

DOI

10.1109/RNNS.1992.268568

Filename

268568