The psychology department has a SMI RED 500 eye tracker with head support device that is available for research purposes. The SMI RED 500 is a screen-based, unobtrusive eye tracker that captures gaze data at up to 500 Hz. The accuracy of SMI RED500 is 0.4 degrees and the size of its headbox is 15.7 x 7.9 inches. More information about this eye tracker may be found here.