脑电正问题的模型和算法

脑电研究对探索脑神经活动规律、研究脑的认知功能具有重要的科学意义和临床应用价值。脑电研究领域的两个关键问题是脑电正问题和脑电逆问题。脑电正问题是脑电逆问题的基础 ,是根据已知头模型内的电流分布求解头表电位 ,正问题算法的精度和效率是求逆方法成败的关键。本文回顾了近年来问题中发展起来的源模型、头模型以及相应的算法 ,并对今后脑电正问题的研究工作做了展望

Models and Computation Methods of EEG Forward Problem

The research of EEG is of grat significance and clinical importance in studying the cognitive function and neural activity of the brain. There are two key problems in the field of EEG, EEG forward problem and EEG inverse problem. EEG forward problem which amis to get the distribution of the scalp potential due to the known current distribution in the brain is the basis of the EEG inverse problem. Generally, EEG inverse problem depends on the accuracy and efficiency of the computational method of EEG forward problem. This paper gives a review of the head model and corresponding computational method about EEG forward problem studied in recent years.