Fig. 4
From: BCI inside a virtual reality classroom: a potential training tool for attention
Illustration of the experimental setup. G.USBamp is seen on the table with the attached EEG electrodes. The reference electrode on the left earlobe and the recording electrode from Pz is visible. The Kinect situated below the interface screen is turned on and tracking the subject. The tracked area is visualized in the left screen as the red area, with the ceiling and the person taking a photo is colored gray representing ignored depth value measurements