Presentation 2003/7/22
Effect of Dendritic Backpropagating Action Potential on Neural Interaction
Toru AONISHI, Hiroyoshi MIYAKAWA, Masashi INOUE, Masato OKADA,
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Abstract(in English) We elucidate the effect of dendritic backpropagating action potentials on neural interactions. First, we reduce a solvable oscillator model with passive dendrites to phase description. We elucidate that backpropagating action potentials change the stability structure of the system from monstability to bistability. Next, in simulations with the program NEURON, we derive phase response curves of a multi-compartment model with active dendrites. We demonstrate that this realistic model has also such bistability, and then, in the case of active dendrites, the interference between retrograde signal and synaptic input produces a large neural interaction. In such active dendrite models, we show that A-type K channels decrease a degree of interaction, but facilitate the bistability.
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Keyword(in English) Dendrite / Backpropagating Action Potential / A-channel / Oscillator / Bistability / Multi-compartment model
Paper # NC2003-41
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Committee NC
Conference Date 2003/7/22(1days)
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Registration To Neurocomputing (NC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Effect of Dendritic Backpropagating Action Potential on Neural Interaction
Sub Title (in English)
Keyword(1) Dendrite
Keyword(2) Backpropagating Action Potential
Keyword(3) A-channel
Keyword(4) Oscillator
Keyword(5) Bistability
Keyword(6) Multi-compartment model
1st Author's Name Toru AONISHI
1st Author's Affiliation Brain Science Institute, RIKEN()
2nd Author's Name Hiroyoshi MIYAKAWA
2nd Author's Affiliation Department of Life Science, Tokyo University of Pharmacy and Life Science
3rd Author's Name Masashi INOUE
3rd Author's Affiliation Department of Life Science, Tokyo University of Pharmacy and Life Science
4th Author's Name Masato OKADA
4th Author's Affiliation Brain Science Institute, RIKEN:"Intelligent Cooperation and Control" PRESTO, JST
Date 2003/7/22
Paper # NC2003-41
Volume (vol) vol.103
Number (no) 228
Page pp.pp.-
#Pages 6
Date of Issue