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Sharpening of orientation selective receptive fields in the mammalian visual cortex by long-range interactions

Niebur, Ernst and Wörgötter, Florentin (1990) Sharpening of orientation selective receptive fields in the mammalian visual cortex by long-range interactions. In: GWAI-90: 14th German Workshop on Artificial Intelligence. Informatik-Fachberichte. No.251. Springer , Berlin, pp. 125-133. ISBN 978-3-540-53132-6. https://resolver.caltech.edu/CaltechAUTHORS:20200529-080452695

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Abstract

Lateral intracortical interactions are believed to be responsible for the sharpening of the receptive field profiles of visual cortical cells. This study demonstrates a structurally imposed limitation of long range interactions on the frequently invoked cross orientation inhibition scheme: it leads to inhomogeneous input for different cell populations which is experimentally not observed. We propose a novel connection scheme called “circular inhibition“ which circumvents this problem. The scheme is analyzed by computer simulation of the early visual system of the cat, and by studying a simple analytically solvable model. Our model yields results consistent with the experimentally determined structure of the orientational hypercolumns in area 18 of the cat.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-3-642-76071-6_14DOIArticle
Additional Information:© 1990 Springer-Verlag Berlin Heidelberg.
Series Name:Informatik-Fachberichte
Issue or Number:251
DOI:10.1007/978-3-642-76071-6_14
Record Number:CaltechAUTHORS:20200529-080452695
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200529-080452695
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103539
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:29 May 2020 16:01
Last Modified:16 Nov 2021 18:22

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