标题： 大规模临界脑动力学 显示英文标题

标题： Critical brain dynamics at large scale

摘要： 高度相关的脑动态会产生没有行为价值的同步状态，而弱相关的动态会阻止信息流动。 在这两种状态之间，临界状态的独特动态特性赋予大脑适应性行为的基本属性。 我们讨论了Per Bak二十年前提出的观点，即工作中的大脑保持在一种中间（临界）状态，其特征是幂律相关性。 这一提议现在得到了不同尺度上的广泛实证证据的支持，这些证据表明时空脑动态表现出临界动态的关键特征，这些特征以前在其他复杂系统中已被识别。 本文档讨论了该计划的依据，随后介绍了最新的研究成果。 显示英文摘要

摘要： Highly correlated brain dynamics produces synchronized states with no behavioral value, while weakly correlated dynamics prevent information flow. In between these states, the unique dynamical features of the critical state endow the brain with properties which are fundamental for adaptive behavior. We discuss the idea put forward two decades ago by Per Bak that the working brain stays at an intermediate (critical) regime characterized by power-law correlations. This proposal is now supported by a wide body of empirical evidence at different scales demonstrating that the spatiotemporal brain dynamics exhibit key signatures of critical dynamics, previously recognized in other complex systems. The rationale behind this program is discussed in these notes, followed by an account of the most recent results.