摘要：We present the four key areas of research—preprocessing, the volume conductor, the forward problem, and the inverse problem—that affect the performance of EEG and MEG source
imaging. In each key area we identify prominent approaches and methodologies that have open
issues warranting further investigation within the community, challenges associated with certain
techniques, and algorithms necessitating clarification of their implications. More than providing
definitive answers we aim to identify important open issues in the quest of source localization.
