Presentation 1998/3/19
Cell-intrinsic thermal noise for signal transduction enhancement in cricket wind receptor cells
Jun Murakami, Tsuneko Kumagai, Tateo Shimozawa,
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Abstract(in English) Stochastic Resonance (SR) is a phenomenon wherein the response of systems, which have a threshold, to a weak periodic input signal is detected by the presence of a noise. Cricket wind receptor can detect sub-threshold signals by SR. We simultaneously recorded intracellular spike responses from two receptor cells to a weak sinusoidal stimulus, and tested the correlation for fluctuation of spiking timing between the two receptor cells. It is confirmed that each receptor cell has internal, non correlated noise source, where energy level is close to the thermal noise kT at 300K
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Keyword(in English) cricket / wind receptor / pulse timing fluctuation / Stochastic Resonance / thermal noise
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Committee MBE
Conference Date 1998/3/19(1days)
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Registration To ME and Bio Cybernetics (MBE)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Cell-intrinsic thermal noise for signal transduction enhancement in cricket wind receptor cells
Sub Title (in English)
Keyword(1) cricket
Keyword(2) wind receptor
Keyword(3) pulse timing fluctuation
Keyword(4) Stochastic Resonance
Keyword(5) thermal noise
1st Author's Name Jun Murakami
1st Author's Affiliation Neuro-Cybernetics Laboratory, Section of Informatics amd Processing, Research Institute for Electronic science, Hokkaido University()
2nd Author's Name Tsuneko Kumagai
2nd Author's Affiliation Institute of Biological Science, Tsukuba University
3rd Author's Name Tateo Shimozawa
3rd Author's Affiliation Neuro-Cybernetics Laboratory, Section of Informatics amd Processing, Research Institute for Electronic science, Hokkaido University
Date 1998/3/19
Paper #
Volume (vol) vol.97
Number (no) 621
Page pp.pp.-
#Pages 8
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