心理生理学におけるシステム開発(心理学の工学への応用,第29回大会 シンポジウム)

抄録

The author summarized new systems to measure visual functions. The event related brain potential (ERP) has been used as an index of visual functions. Visual ERP, however, has difficulties in application to practical fields. Eye movements are restricted in a study of visual ERP. The author found unique ERP associated with offset of saccadic eye movements. We can obtain the ERP with averaging EEG at offset of saccades; i.e., onset of eye fixations. The ERP is called eye fixation related potential (EFRP). The author and colleagues have developed some systems to measure EFRP. For example, a system is a real time analyzer of EFRP, a system to show topography of EFRP, and topography of EFRP in real time. We have applied systems to assess visual attention, visual workload and visual fatigue. Recently, we developed a new system to obtain topography of EFRP to a visual object identified precisely eye positions. The system will be applicable as indices of assessment of attention in traffic fields and preference of a consumer to a visual object in marketing.