心-心异位协调：顺序情景记忆启动模型
Mind-to-mind heteroclinic coordination: model of sequential episodic memory initiation
摘要：
情景记忆的提取是大规模脑网络中的一个动态过程。在社会群体中，与单个成员直接经历的特定事件相关的神经模式被编码，回忆和分享给所有参与者。在这里，我们构建和研究的动力学模型的形成和维持的情景记忆在小合奏的相互作用的大脑。我们证明了这个过程的非常规动力学吸引子-非光滑异宿环面-在Lotka-Volterra方程组中是结构稳定的。这个环面上的动力学结合了每个单独的轨迹的渐近不稳定的混沌的情况下，其足够的定量特征是长度相关的李雅普诺夫指数。参与者之间的耦合强度的变化导致不同类型的顺序切换之间的亚稳态，我们解释它们作为阶段的形成和修改的情景记忆。
英文摘要：
Retrieval of episodic memory is a dynamical process in the large scale brain networks. In social groups, the neural patterns, associated to specific events directly experienced by single members, are encoded, recalled and shared by all participants. Here we construct and study the dynamical model for the formation and maintaining of episodic memory in small ensembles of interacting brains. We prove that the unconventional dynamical attractor of this process - the nonsmooth heteroclinic torus - is structurally stable within the Lotka-Volterra-like sets of equations. Dynamics on this torus combines absence of chaos with asymptotic instability of every separate trajectory; its adequate quantitative characteristics are length-related Lyapunov exponents. Variation of the coupling strength between the participants results in different types of sequential switching between metastable states; we interpret them as stages in formation and modification of the episodic memory.
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