A dynamic causal model study of neuronal population dynamics.

NeuroImage
André C MarreirosKarl J Friston

Abstract

In this paper, we compare mean-field and neural-mass models of electrophysiological responses using Bayesian model comparison. In previous work, we presented a mean-field model of neuronal dynamics as observed with magnetoencephalography and electroencephalography. Unlike neural-mass models, which consider only the mean activity of neuronal populations, mean-field models track the distribution (e.g., mean and dispersion) of population activity. This can be important if the mean affects the dispersion or vice versa. Here, we introduce a dynamical causal model based on mean-field (i.e., population density) models of neuronal activity, and use it to assess the evidence for a coupling between the mean and dispersion of hidden neuronal states using observed electromagnetic responses. We used Bayesian model comparison to compare homologous mean-field and neural-mass models, asking whether empirical responses support a role for population variance in shaping neuronal dynamics. We used the mismatch negativity (MMN) and somatosensory evoked potentials (SEP) as representative neuronal responses in physiological and non-physiological paradigms respectively. Our main conclusion was that although neural-mass models may be sufficient for cog...Continue Reading

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Citations

May 12, 2012·Journal of Mathematical Biology·P A Robinson
Aug 10, 2012·Cerebral Cortex·André SchmidtFranz X Vollenweider
Mar 15, 2014·PLoS Computational Biology·Mingming ChenDezhong Yao
Mar 20, 2014·Applied Microbiology and Biotechnology·Uwe JandtAn-Ping Zeng
Mar 26, 2011·Computational Intelligence and Neuroscience·Vladimir LitvakKarl Friston
Jun 7, 2015·NeuroImage·Ekaterina I LomakinaKlaas E Stephan
Nov 17, 2015·NeuroImage·Karl J FristonPeter Zeidman
Nov 16, 2011·IEEE Transactions on Bio-medical Engineering·Bing Leung Patrick CheungBarry D Van Veen
Feb 6, 2014·NeuroImage·D A PinotsisK J Friston
Aug 21, 2015·Neuron·Klaas E StephanAndreea O Diaconescu
Jan 18, 2011·NeuroImage·Rosalyn J MoranKarl J Friston
Jun 5, 2015·Frontiers in Psychology·Joan Guàrdia-OlmosEsteve Gudayol-Ferré
Apr 11, 2013·NeuroImage·Mark W Woolrich, Klaas E Stephan
Jul 30, 2016·Scientific Reports·Richard F BetzelDanielle S Bassett
Oct 9, 2016·Brain Topography·Dimitris A PinotsisKarl J Friston
Feb 24, 2018·PLoS Computational Biology·Romesh G AbeysuriyaMark W Woolrich
Dec 18, 2020·BMJ Global Health·Karl FristonDeenan Pillay
Dec 13, 2019·Neural Networks : the Official Journal of the International Neural Network Society·Julio A Peraza-GoicoleaRoberto Mulet
Aug 22, 2018·NeuroImage·Bernadette C M van WijkKarl J Friston

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Software Mentioned

DCM
Matlab

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