A DCM for resting state fMRI

NeuroImage
Karl J FristonAdeel Razi

Abstract

This technical note introduces a dynamic causal model (DCM) for resting state fMRI time series based upon observed functional connectivity--as measured by the cross spectra among different brain regions. This DCM is based upon a deterministic model that generates predicted crossed spectra from a biophysically plausible model of coupled neuronal fluctuations in a distributed neuronal network or graph. Effectively, the resulting scheme finds the best effective connectivity among hidden neuronal states that explains the observed functional connectivity among haemodynamic responses. This is because the cross spectra contain all the information about (second order) statistical dependencies among regional dynamics. In this note, we focus on describing the model, its relationship to existing measures of directed and undirected functional connectivity and establishing its face validity using simulations. In subsequent papers, we will evaluate its construct validity in relation to stochastic DCM and its predictive validity in Parkinson's and Huntington's disease.

References

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Citations

Oct 30, 2015·Expert Review of Neurotherapeutics·Liangsuo MaPonnada A Narayana
Feb 13, 2016·Frontiers in Human Neuroscience·Maksim G SharaevBoris M Velichkovsky
Dec 15, 2015·Brain Connectivity·Jo A ArcherShen-Hsing Annabel Chen
Dec 30, 2015·Proceedings of the National Academy of Sciences of the United States of America·Valentin RiedlChristian Sorg
Dec 3, 2014·NeuroImage·Adeel RaziKarl J Friston
Dec 8, 2015·Nature Communications·Roee Admon, Diego A Pizzagalli
Aug 9, 2015·NeuroImage·Martin HavlicekKamil Uludag
Aug 8, 2015·Neuropsychology Review·Jingyuan E Chen, Gary H Glover
Apr 12, 2016·Frontiers in Human Neuroscience·Ehsan DowlatiRosalyn J Moran
May 28, 2014·NeuroImage·Karl J FristonOlaf Sporns
Aug 25, 2015·Frontiers in Psychology·Laia Farràs-PermanyerMaribel Peró-Cebollero
May 26, 2015·NeuroImage·Stefan FrässleAndreas Jansen
Jun 9, 2015·Frontiers in Psychology·Roser Sala-LlonchCarme Junqué
Jan 13, 2015·Annual Review of Clinical Psychology·Monique ErnstElizabeth A Hale
Feb 24, 2015·Nature Reviews. Neuroscience·Alex FornitoMichael Breakspear
Dec 30, 2014·Frontiers in Neuroscience·Huifang E WangChristophe Bernard
May 21, 2016·Frontiers in Human Neuroscience·Rongxiang TangYi-Yuan Tang
Jan 1, 2014·GigaScience·Jessica A Turner
Sep 7, 2016·Schizophrenia Research·Orwa DandashAlex Fornito
Sep 14, 2016·NeuroImage·Seok-Oh JeongHae-Jeong Park
Mar 10, 2017·International Journal of Neural Systems·Manuel GrañaDarya Chyzhyk
Nov 14, 2015·Scientific Reports·Philipp SchwartenbeckKarl Friston
Apr 8, 2017·Brain Structure & Function·Stefano Delli PizziLaura Bonanni
Jan 26, 2018·Wiley Interdisciplinary Reviews. Cognitive Science·Stefan FrässleKlaas E Stephan
Feb 6, 2018·Network Neuroscience·Adeel RaziKarl J Friston
Nov 6, 2015·Frontiers in Neuroinformatics·Eric J Nichols, Axel Hutt

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Software Mentioned

SPM12
DCM
Matlab

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