Models of Network Spread and Network Degeneration in Brain Disorders.

Biological Psychiatry : Cognitive Neuroscience and Neuroimaging
Ashish Raj, Fon Powell

Abstract

Network analysis can provide insight into key organizational principles of brain structure and help identify structural changes associated with brain disease. Though static differences between diseased and healthy networks are well characterized, the study of network dynamics, or how brain networks change over time, is increasingly central to understanding ongoing brain changes throughout disease. Accordingly, we present a short review of network models of spread, network dynamics, and network degeneration. Borrowing from recent suggestions, we divide this review into two processes by which brain networks can change: dynamics on networks, which are functional and pathological consequences taking place atop a static structural brain network; and dynamics of networks, which constitutes a changing structural brain network. We focus on diffusion magnetic resonance imaging-based structural or anatomic connectivity graphs. We address psychiatric disorders like schizophrenia; developmental disorders like epilepsy; stroke; and Alzheimer's disease and other neurodegenerative diseases.

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Citations

Feb 28, 2020·Annals of Clinical and Translational Neurology·Govinda R PoudelKaren Caeyenberghs
Feb 26, 2020·Journal of Neural Engineering·Lihui CaiYueqing Dong
May 28, 2019·Nature Reviews. Neuroscience·Martijn P van den Heuvel, Olaf Sporns
Jun 21, 2020·Human Brain Mapping·Franco CaudaTommaso Costa
Nov 17, 2020·Network Neuroscience·Eufemia Lella, Ernesto Estrada
Feb 10, 2021·Brain Sciences·Salvatore NigroGiancarlo Logroscino
Jun 11, 2021·Frontiers in Systems Neuroscience·Bálint VargaLászló Négyessy

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