Physical Review E

<article class="align-center media media--type-link media--view-mode-default"><div class="field field--name-field-media-entity-link field--type-link field--label-hidden field__item"><a href="https://journals.aps.org/pre/abstract/10.1103/PhysRevE.79.061922" target="_blank">79, pp. 61922-61931</a></div>
 
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 Ising-like dynamics in large-scale functional brain networks

 Ising-like dynamics in large-scale functional brain networks - https://journals.aps.org/pre/abstract/10.1103/PhysRevE.79.061922

Abstract

Brain “rest” is defined—more or less unsuccessfully—as the state in which there is no explicit brain input or output. This work focuses on the question of whether such state can be comparable to any known dynamical state. For that purpose, correlation networks from human brain functional magnetic resonance imaging are contrasted with correlation networks extracted from numerical simulations of the Ising model in two dimensions at different temperatures. For the critical temperature Tc, striking similarities appear in the most relevant statistical properties, making the two networks indistinguishable from each other. These results are interpreted here as lending support to the conjecture that the dynamics of the functioning brain is near a critical point.

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Ising-like dynamics in large-scale functional brain networks

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