Dynamic models of large-scale brain activity

M Breakspear - Nature neuroscience, 2017 - nature.com
Movement, cognition and perception arise from the collective activity of neurons within
cortical circuits and across large-scale systems of the brain. While the causes of single …

Functional and effective connectivity: a review

KJ Friston - Brain connectivity, 2011 - liebertpub.com
Over the past 20 years, neuroimaging has become a predominant technique in systems
neuroscience. One might envisage that over the next 20 years the neuroimaging of …

Macroscopic resting-state brain dynamics are best described by linear models

E Nozari, MA Bertolero, J Stiso, L Caciagli… - Nature biomedical …, 2024 - nature.com
It is typically assumed that large networks of neurons exhibit a large repertoire of nonlinear
behaviours. Here we challenge this assumption by leveraging mathematical models derived …

Thinking through other minds: A variational approach to cognition and culture

SPL Veissière, A Constant, MJD Ramstead… - Behavioral and brain …, 2020 - cambridge.org
The processes underwriting the acquisition of culture remain unclear. How are shared
habits, norms, and expectations learned and maintained with precision and reliability across …

[HTML][HTML] A guide to group effective connectivity analysis, part 1: First level analysis with DCM for fMRI

P Zeidman, A Jafarian, N Corbin, ML Seghier, A Razi… - Neuroimage, 2019 - Elsevier
Abstract Dynamic Causal Modelling (DCM) is the predominant method for inferring effective
connectivity from neuroimaging data. In the 15 years since its introduction, the neural …

[HTML][HTML] Bayesian model reduction and empirical Bayes for group (DCM) studies

KJ Friston, V Litvak, A Oswal, A Razi, KE Stephan… - Neuroimage, 2016 - Elsevier
This technical note describes some Bayesian procedures for the analysis of group studies
that use nonlinear models at the first (within-subject) level–eg, dynamic causal models–and …

Allostatic self-efficacy: A metacognitive theory of dyshomeostasis-induced fatigue and depression

KE Stephan, ZM Manjaly, CD Mathys… - Frontiers in human …, 2016 - frontiersin.org
This paper outlines a hierarchical Bayesian framework for interoception,
homeostatic/allostatic control, and meta-cognition that connects fatigue and depression to …

Cultural affordances: Scaffolding local worlds through shared intentionality and regimes of attention

MJD Ramstead, SPL Veissière, LJ Kirmayer - Frontiers in psychology, 2016 - frontiersin.org
In this paper we outline a framework for the study of the mechanisms involved in the
engagement of human agents with cultural affordances. Our aim is to better understand how …

The salience network is responsible for switching between the default mode network and the central executive network: replication from DCM

N Goulden, A Khusnulina, NJ Davis, RM Bracewell… - Neuroimage, 2014 - Elsevier
With the advent of new analysis methods in neuroimaging that involve independent
component analysis (ICA) and dynamic causal modelling (DCM), investigations have …

Graph analysis of the human connectome: promise, progress, and pitfalls

A Fornito, A Zalesky, M Breakspear - Neuroimage, 2013 - Elsevier
The human brain is a complex, interconnected network par excellence. Accurate and
informative map** of this human connectome has become a central goal of neuroscience …