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Coexistence of synchronized oscillatory and desynchronized rate activity in cortical networks
KTH, Superseded Departments, Numerical Analysis and Computer Science, NADA.ORCID iD: 0000-0003-0281-9450
2003 (English)In: Neurocomputing, ISSN 0925-2312, Vol. apr-52, 763-769 p.Article in journal (Refereed) Published
Abstract [en]

The basis of MRI and PET experiments is the finding that neuronal cell firing levels are modulated in a task dependent manner. Results from EEG and MEG experiments on the other hand point to the importance of synchrony, e.g. the peak frequency may depend on the difficulty of the task. In most models only one of these activity modes of firing is desirable or possible to produce. In this work we show how a cortical microcircuit can produce either synchronized or desynchronized firing, and how this solves problems of present day rate and synchronization models.

Place, publisher, year, edition, pages
2003. Vol. apr-52, 763-769 p.
Keyword [en]
synchronization, desynchronized rate activity, cortical microcircuit, population, neurons
National Category
Neurosciences Bioinformatics (Computational Biology)
Identifiers
URN: urn:nbn:se:kth:diva-22591DOI: 10.1016/s0925-2312(02)00764-6ISI: 000183514300110OAI: oai:DiVA.org:kth-22591DiVA: diva2:341289
Note
QC 20100525 QC 20111214Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-12-14Bibliographically approved

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Fransén, Erik

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