UNSPECIFIED (2005) Enhanced information transmission mediated by multiplicative noise. In: Conference on Fluctuations and Noise in Biological, Biophysical, and Biomedical Systems III, MAY 24-26, 2005, Austin, TX.

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Abstract

We have investigated information transmission in an array of threshold units with multiplicative noise that have a common input signal. We demonstrate a phenomenon similar to stochastic resonance with additive noise, and show that information transmission can be enhanced by a non-zero multiplicative noise level. Given that sensory neurons in the nervous system have multiplicative as well as additive noise sources, and they act approximately like threshold units, our results suggest that multiplicative noise might be an essential part of neural coding.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Series Name:	PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
Journal or Publication Title:	FLUCTUATIONS AND NOISE IN BIOLOGICAL, BIOPHYSICAL, AND BIOMEDICAL SYSTEMS III
Publisher:	SPIE-INT SOC OPTICAL ENGINEERING
ISBN:	0-8194-5836-8
ISSN:	0277-786X
Editor:	Stocks, NG and Abbott, D and Morse, RP
Date:	2005
Volume:	5841
Number of Pages:	9
Page Range:	pp. 31-39
Publication Status:	Published
Title of Event:	Conference on Fluctuations and Noise in Biological, Biophysical, and Biomedical Systems III
Location of Event:	Austin, TX
Date(s) of Event:	MAY 24-26, 2005
URI:	http://wrap.warwick.ac.uk/id/eprint/34194

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