Four white LEDs on the interface pulse at different frequencies, and the system can use the frequency of the brainwave evoked to determine at which LED the user is staring.
四个白色led在不同频率上闪烁,系统可以通过脑电波确定是看着哪个频率的led。
3
The advantages of this are obvious, but it also led to the average web user expecting this type of responsiveness from all web applications.