Durrant, Simon and Feng, Jianfeng. (2006) Negatively correlated firing: the functional meaning of lateral inhibition within cortical columns. BIOLOGICAL CYBERNETICS, 95 (5). pp. 431-453. ISSN 0340-1200

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Abstract

Lateral inhibition is a well documented aspect of neural architecture in the main sensory systems. Existing accounts of lateral inhibition focus on its role in sharpening distinctions between inputs that are closely related. However, these accounts fail to explain the functional role of inhibition in cortical columns, such as those in V1, where neurons have similar response properties. In this paper, we outline a model of position tracking using cortical columns of integrate-and-fire and Hodgkin-Huxley-type neurons which respond optimally to a particular location, to show that negatively correlated firing patterns arise from lateral inhibition in cortical columns and that this provides a clear benefit for population coding in terms of stability, accuracy, estimation time and neural resources.

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Item Type:	Journal Article
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Divisions:	Faculty of Science > Centre for Scientific Computing Faculty of Science > Computer Science
Journal or Publication Title:	BIOLOGICAL CYBERNETICS
Publisher:	SPRINGER
ISSN:	0340-1200
Date:	November 2006
Volume:	95
Number:	5
Number of Pages:	23
Page Range:	pp. 431-453
Identification Number:	10.1007/s00422-006-0096-2
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/32948

Data sourced from Thomson Reuters' Web of Knowledge

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