Function:
This device performs real-time eye-tracking at 250, 500, 1000, or 2000 samples per second with no loss of spatial resolution, while also computing true gaze position on the display viewed by the subject. It is widely used in the research of visual systems, psychology, and cognitive linguistics.
Index:
1.Fixation: number of fixations, number of fixations on each area of interest, the total number of fixations, fixation duration, the total fixation duration, time to the first fixation on target, fixation density, repeat fixations.
2.Saccade: number of saccades, saccadic amplitude (i.e. saccadic distance), saccade regressions, saccadic duration or saccadic velocity.