Comparison between Equivalent Charge Model and Equivalent Dipole Model on Realistic Head Model
摘要
Equivalent source layer(ESL)imaging is an important kind of high-resolution electro-encephalogram(EEG)imaging.It consists of two categories:equivalent dipole layer(EDL)and equivalent charge layer(ECL).Both of them are assumed to be located on or near the cortical surface and have been proposed as high-resolution imaging modalities or as intermediate steps to estimate the epicortical potential.Here,EDL and ECL based on a realistic head model are presented,both simulations and real data experiment are done to compare these two models.The results show that ECL can provide higher spatial resolution about source location than EDL does.
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