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Neocortical gap junction-coupled interneuron systems may induce chaotic behavior itinerant among quasi-attractors exhibiting transient synchrony

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タイトル: Neocortical gap junction-coupled interneuron systems may induce chaotic behavior itinerant among quasi-attractors exhibiting transient synchrony
著者: Fujii, Hiroshi 著作を一覧する
Tsuda, Ichiro 著作を一覧する
キーワード: gap junction
FS interneuron
class I neuron
saddle-node bifurcation
spatio-temporal chaos
chaotic itinerancy
Milnor attractor
transient synchrony
local field potential
binding problem
発行日: 2004年 6月
出版者: Elsevier
誌名: Neurocomputing
巻: 58-60
開始ページ: 151
終了ページ: 157
出版社 DOI: 10.1016/j.neucom.2004.01.036
抄録: Recent discovery of the massive presence of gap junction couplings among neocortical FS (and LTS) interneurons poses serious questions about their collective dynamical behavior, and their possible cognitive roles. We present here the theoretical possibility that a class of neurons coupled by gap junctions may emerge spatio-temporal chaos itinerant among attractors in Milnor’s sense, which in turn organizes synchronous cell groups transiently. Some physiological observations from the neocortex, e.g., local field potential (LFP) data exhibiting transient synchrony may provide evidence. We suggest also possible role in the so-called binding problem.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/8488
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 津田 一郎

 

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