A neural mass model to simulate different rhythms in a cortical region
Computational Intelligence and Neuroscience, ISSN: 1687-5265, Vol: 2010, Page: 456140
2010
- 15Citations
- 28Usage
- 49Captures
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Metrics Details
- Citations15
- Citation Indexes15
- 15
- CrossRef2
- Usage28
- Abstract Views28
- Captures49
- Readers49
- 49
Article Description
An original neural mass model of a cortical region has been used to investigate the origin of EEG rhythms. The model consists of four interconnected neural populations: pyramidal cells, excitatory interneurons and inhibitory interneurons with slow and fast synaptic kinetics, GABA and GABA respectively. A new aspect, not present in previous versions, consists in the inclusion of a self-loop among GABA interneurons. The connectivity parameters among neural populations have been changed in order to reproduce different EEG rhythms. Moreover, two cortical regions have been connected by using different typologies of long range connections. Results show that the model of a single cortical region is able to simulate the occurrence of multiple power spectral density (PSD) peaks; in particular the new inhibitory loop seems to have a critical role in the activation in gamma (γ) band, in agreement with experimental studies. Moreover the effect of different kinds of connections between two regions has been investigated, suggesting that long range connections toward GABA interneurons have a major impact than connections toward pyramidal cells. The model can be of value to gain a deeper insight into mechanisms involved in the generation of rhythms and to provide better understanding of cortical EEG spectra. Copyright © 2010 M. Zavaglia et al.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77449101653&origin=inward; http://dx.doi.org/10.1155/2010/456140; http://www.ncbi.nlm.nih.gov/pubmed/20037742; http://www.hindawi.com/journals/cin/2010/456140/; https://www.airitilibrary.com/Article/Detail/P20160527002-201012-201702200011-201702200011-167-174; https://dx.doi.org/10.1155/2010/456140; https://www.hindawi.com/journals/cin/2010/456140/
Hindawi Limited
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