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Optimal sigmoidal tuning curves for intensity encoding sensory neurons with quasi-Poisson variability
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McDonnell, Mark D. and Stocks, Nigel G. (2008) Optimal sigmoidal tuning curves for intensity encoding sensory neurons with quasi-Poisson variability. In: Seventeenth Annual Computational Neuroscience Meeting: CNS*2008, Portland, USA, 19-24 Jul 2008. Published in: BMC Neuroscience, Vol.9 (Suppl.1). p. 117. doi:10.1186/1471-2202-9-S1-P117 ISSN 1471-2202.
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Official URL: http://dx.doi.org/10.1186/1471-2202-9-S1-P117
Abstract
Rate-coding neurons are often characterized by their tuning
curve, that is, the average firing rate, T(x), as a function
of stimulus intensity, x. However the substantial natural
variability in firing rate that often occurs for a fixed stimulus
provides a limitation on the fidelity of firing rate
encoding of stimuli. Consequently, stimulus-dependent
variance in firing rate, V(x), is crucial in studies of tuning
curve optimality. Information theory can be used to quantify
such limits and to address the question of finding the
tuning curve that maximizes information rate.
Item Type: | Conference Item (Poster) | ||||
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Subjects: | Q Science > QP Physiology | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Neurons -- Mathematical models, Information theory | ||||
Journal or Publication Title: | BMC Neuroscience | ||||
Publisher: | BioMed Central Ltd. | ||||
ISSN: | 1471-2202 | ||||
Official Date: | 2008 | ||||
Dates: |
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Volume: | Vol.9 | ||||
Number: | Suppl.1 | ||||
Page Range: | p. 117 | ||||
DOI: | 10.1186/1471-2202-9-S1-P117 | ||||
Status: | Peer Reviewed | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Date of first compliant deposit: | 1 August 2016 | ||||
Date of first compliant Open Access: | 1 August 2016 | ||||
Funder: | Australian Research Council (ARC), Engineering and Physical Sciences Research Council (EPSRC) | ||||
Grant number: | DP0770747 (ARC), EP/C523334/1 (EPSRC) | ||||
Conference Paper Type: | Poster | ||||
Title of Event: | Seventeenth Annual Computational Neuroscience Meeting: CNS*2008 | ||||
Type of Event: | Conference | ||||
Location of Event: | Portland, USA | ||||
Date(s) of Event: | 19-24 Jul 2008 |
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