Abstract: Visual spatial attention is a very important issue both in psychology and in many other subjects. Event-related potentials (ERPs) is a useful method to study the brain mechanism of spatial attention because of its high temporal resolusion. Moreover, it plays a stronger role in the location of the brain function with development of technique of high-density recording. The application of ERP is more and more widely used. This paper makes a brief report on the methods, results and primary conclusions on the field, and puts forward several perspectives for future study.

Key words: visual spatial attention, event-related potentials (ERPs), brain Mechanism