NDLI: Self-organized synchronous oscillations in a network of excitable cells coupled by gap junctions.

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Self-organized synchronous oscillations in a network of excitable cells coupled by gap junctions.

Content Provider	Semantic Scholar
Author	Lewis, Timothy J. Rinzel, John
Copyright Year	2000
Abstract	Recent evidence suggests that electrical coupling plays a role in generating oscillatory behaviour in networks of neurons; however, the underlying mechanisms have not been identified. Using a cellular automata model proposed by Traub et al (Traub R D, Schmitz D, Jefferys J G and Draguhn A 1999 High-frequency population oscillations are predicted to occur in hippocampal pyramidal neural networks interconnected by axo-axonal gap junctions Neuroscience 92 407-26), we describe a novel mechanism for self-organized oscillations in networks that have strong, sparse random electrical coupling via gap junctions. The network activity is generated by random spontaneous activity that is moulded into regular population oscillations by the propagation of activity through the network. We explain how this activity gives rise to particular dependences of mean oscillation frequency on network connectivity parameters and on the rate of spontaneous activity, and we derive analytical expressions to approximate the mean frequency and variance of the oscillations. In doing so, we provide insight into possible mechanisms for frequency control and modulation in networks of neurons.
Starting Page	299
Ending Page	320
Page Count	22
File Format	PDF HTM / HTML
DOI	10.1088/0954-898X_11_4_304
PubMed reference number	11128169
Journal	Medline
Volume Number	11
Issue Number	4
Alternate Webpage(s)	https://www.math.ucdavis.edu/~tjlewis/pubs/net.pdf
Alternate Webpage(s)	http://www.math.ucdavis.edu/~tlewis/pubs/net.pdf
Alternate Webpage(s)	https://doi.org/10.1088/0954-898X_11_4_304
Journal	Network
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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