Abstract
The brain computer interface (BCI) is a computer interface system which is based upon brain activity. In order to develop an efficient BCI system, we need to consider suitable settings of the mental tasks as well as the optimal location of the EEG sensors. We used an fMRI experiment in an attempt to determine those optimal settings. According to our experiment, there might be some relationships between fMRI experiment data and EEG data even though they have different physical properties. Based on the fMRI experiment with various kinds of mental task, we could find a possibility to enhance BCI system performance with small number of EEG sensors.
