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  Autapse turns neuron into oscillator

Herrmann, C. S., & Klaus, A. (2004). Autapse turns neuron into oscillator. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 14(2), 623-633. doi:10.1142/S0218127404009338.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-9F97-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-45CF-0
Genre: Journal Article

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Herrmann_IJBC2004.pdf (Publisher version), 732KB
 
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 Creators:
Herrmann, Christoph S.1, Author              
Klaus, A., Author
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              

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Free keywords: Autapse; Hodgkin–Huxley neuron
 Abstract: Recently, neurobiologists have discovered axons on neurons which synapse on the same neuron's dendrites — so-called autapses. It is not yet clear what functional significance autapses offer for neural behavior. This is an ideal case for using a physical simulation to investigate how an autapse alters the firing of a neuron. We simulated a neural basket cell via the Hodgkin–Huxley equations and implemented an autapse which feeds back onto the soma of the neuron. The behavior of the cell was compared with and without autaptic feedback. Our artificial autapse neuron (AAN) displays oscillatory behavior which is not observed for the same model neuron without autapse. The neuron oscillates between two functional states: one where it fires at high frequency and another where firing is suppressed. This behavior is called "spike bursting" and represents a common pattern recorded from cerebral neurons.

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 239582
DOI: 10.1142/S0218127404009338
Other: P6980
 Degree: -

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Title: International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
Source Genre: Journal
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Publ. Info: Singapore : World Scientific
Pages: - Volume / Issue: 14 (2) Sequence Number: - Start / End Page: 623 - 633 Identifier: ISSN: 0218-1274
CoNE: /journals/resource/954925493942