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Parcels and particles: Markov blankets in the brain
- Source :
- Network Neuroscience, Network Neuroscience, Vol 5, Iss 1, Pp 211-251 (2021)
- Publication Year :
- 2021
- Publisher :
- MIT Press, 2021.
-
Abstract
- At the inception of human brain mapping, two principles of functional anatomy underwrote most conceptions—and analyses—of distributed brain responses: namely, functional segregation and integration. There are currently two main approaches to characterizing functional integration. The first is a mechanistic modeling of connectomics in terms of directed effective connectivity that mediates neuronal message passing and dynamics on neuronal circuits. The second phenomenological approach usually characterizes undirected functional connectivity (i.e., measurable correlations), in terms of intrinsic brain networks, self-organized criticality, dynamical instability, and so on. This paper describes a treatment of effective connectivity that speaks to the emergence of intrinsic brain networks and critical dynamics. It is predicated on the notion of Markov blankets that play a fundamental role in the self-organization of far from equilibrium systems. Using the apparatus of the renormalization group, we show that much of the phenomenology found in network neuroscience is an emergent property of a particular partition of neuronal states, over progressively coarser scales. As such, it offers a way of linking dynamics on directed graphs to the phenomenology of intrinsic brain networks.<br />Author Summary This paper describes a treatment of effective connectivity that speaks to the emergence of intrinsic brain networks and critical dynamics. It is predicated on the notion of Markov blankets that play a fundamental role in the self-organization of far from equilibrium systems. Using the apparatus of the renormalization group, we show that much of the phenomenology found in network neuroscience is an emergent property of a particular partition of neuronal states, over progressively coarser scales. As such, it offers a way of linking dynamics on directed graphs to the phenomenology of intrinsic brain networks.
- Subjects :
- 0301 basic medicine
Connectomics
Theoretical computer science
Property (philosophy)
Computer science
Neurosciences. Biological psychiatry. Neuropsychiatry
Quantitative Biology - Quantitative Methods
Markov blankets
03 medical and health sciences
Functional connectivity
0302 clinical medicine
Artificial Intelligence
Effective connectivity
Quantitative Methods (q-bio.QM)
Markov chain
Functional integration (neurobiology)
Quantitative Biology::Neurons and Cognition
Applied Mathematics
General Neuroscience
Message passing
Dynamic causal modelling
Directed graph
Computer Science Applications
030104 developmental biology
Intrinsic brain networks
Quantitative Biology - Neurons and Cognition
FOS: Biological sciences
Dynamic causal modeling
Neurons and Cognition (q-bio.NC)
Renormalization group
Phenomenology (psychology)
030217 neurology & neurosurgery
RC321-571
Research Article
Subjects
Details
- Language :
- English
- ISSN :
- 24721751
- Volume :
- 5
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- Network Neuroscience
- Accession number :
- edsair.doi.dedup.....13c4b5dbf25710d9d008dd5d5d23c8df