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Intrinsic desynchronization properties of neurons containing dendritic rapidly activating K-currents
KTH, Tidigare Institutioner (före 2005), Numerisk analys och datalogi, NADA.
KTH, Tidigare Institutioner (före 2005), Numerisk analys och datalogi, NADA.ORCID-id: 0000-0003-0281-9450
2004 (engelsk)Inngår i: Neurocomputing, ISSN 0925-2312, E-ISSN 1872-8286, Vol. 58, s. 137-143Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this work, we investigate the role of the potassium A-current (K-A) in linking network synchrony to cellular excitability and firing frequency. We present an analysis of the notion of synchrony and we describe its conceptual and modeling implications. An full synchronization, K-A enables a control over the timing, or even a suppression, of spikes. For completely desynchronized activity, we show how K-A affects fast changes in amplitude of the summed EPSPs as well as amount of depolarization caused by the input. Simulations at intermediate levels of synchrony suggest that activity resulting from the interaction between cellular excitability and network synchrony could be altered through K-A modulation.

sted, utgiver, år, opplag, sider
2004. Vol. 58, s. 137-143
Emneord [en]
synchrony, correlation, excitability, firing frequency, gamma distribution
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-23528DOI: 10.1016/j.neucom.2004.01.034ISI: 000222245900022Scopus ID: 2-s2.0-2542499805OAI: oai:DiVA.org:kth-23528DiVA, id: diva2:342226
Merknad

QC 20100525 QC 20111018. 12th Annual Computational Neuroscience Meeting (CSN 03). Alicante, SPAIN. JUL 05-09, 2003

Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2019-02-04bibliografisk kontrollert

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