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中文摘要：
功能磁共振成像技术的发展为揭示脑区间的有效连接机制奠定了基础,而动态因果模型的研究将更有利于连接机制的研究,为揭示脑的奥秘提供了有效、直接的方法。阐述了动态因果模型的基本概念和原理,论述了不同类别的动态因果模型连接方式、方法;分析了不同类别模型间的区别,并通过贝叶斯模型选择进行模型辨识。通过总结前人所做的工作,得出动态因果模型在使用过程中应该遵循的规则,概括了存在的问题。结合已有的动态因果模型研究成果,展望了未来的研究方向和亟待解决的关键问题。
英文摘要：
With the development of functional magnetic resonance imaging technology has laid a foundation for revealing the mechanisms of interval brain effective connection,dynamic causal model will be more conducive to the study of the connection mechanism,which is effective and direct method to reveal the mysteries of the brain.This paper summarized the basic concepts and principles of dynamic causal model,discussed the connection mode and method of the different of dynamic causal model,analyzed the distinction between the different classes of models,distinguished model using Bayesian model selection.Through summarizing the experiment of predecessors,drawed that dynamic causal model should follow the rules,generalized the existing problem.This paper also presented a summary of the current art of the state of Dynamic causal model,a discussion on the future researches topics and some crucial problems which should be solved pressingly.
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