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- Wang, Sheng-Jun,1981-Institute of Theoretical Physics, Lanzhou University, Lanzhou Gansu, China (author)
Influence of synaptic interaction on firing synchronization and spike death in excitatory neuronal networks
- Article/chapterEnglish2008
Publisher, publication year, extent ...
- New York :American Physical Society through the American Institute of Physics,2008
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:umu-19008
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-19008URI
- https://doi.org/10.1103/PhysRevE.78.061906DOI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- We investigate the influence of efficacy of synaptic interaction on firing synchronization in excitatoryneuronal networks. We find spike death phenomena: namely, the state of neurons transits from the limit cycleto a fixed point or transient state. The phenomena occur under the perturbation of an excitatory synapticinteraction, which has a high efficacy. We show that the decrease of synaptic current results in spike deaththrough depressing the feedback of the sodium ionic current. In the networks with the spike death property thedegree of synchronization is lower and insensitive to the heterogeneity of neurons. The mechanism of theinfluence is that the transition of the neuron state disrupts the adjustment of the rhythm of the neuronsoscillation and prevents a further increase of the firing synchronization.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- Physics
- Fysik
- fysik
- Physics
Added entries (persons, corporate bodies, meetings, titles ...)
- Xu, Xin-Jian,1978-Department of Mathematics, College of Science, Shanghai University, Shanghai, China (author)
- Wu, Zhi-Xi,1981-Umeå universitet,Institutionen för fysik(Swepub:umu)zhwu0001 (author)
- Huang, Zi-GangInstitute of Theoretical Physics, Lanzhou University, Lanzhou Gansu, China (author)
- Wang, Ying-Hai,1940- (author)
- Institute of Theoretical Physics, Lanzhou University, Lanzhou Gansu, ChinaDepartment of Mathematics, College of Science, Shanghai University, Shanghai, China (creator_code:org_t)
Related titles
- In:Physical Review E. Statistical, Nonlinear, and Soft Matter PhysicsNew York : American Physical Society through the American Institute of Physics78:6, s. 061906-1063-651X1095-3787
Internet link
- http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLEEE8000078000006061906000001&idtype=cvips&gifs=yesLink to journal abstract
- https://umu.diva-portal.org/smash/get/diva2:201161/FULLTEXT01.pdffulltext:print
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-19008
- https://doi.org/10.1103/PhysRevE.78.061906
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