User manual

result, the recorded data will be noisy. If this happens, first check

whether the subject is seated at the recommended eye-target distance of

550-600 mm. Dimmer room lighting will also help avoid this warning.

Pupil size looks OK

Pupil size warning (size too small)

Figure 3-11. Status Panel Pupil Size Information

20) Once the camera is set up, the experimenter should monitor the

thumbnail camera images at the lower left corner of the tracker screen

when in the Offline, Calibrate, Validate, Drift Correct, Output and Record

screens (see Figure 3-15). The two dots in the middle panel reflect the

ever changing target and eye position in the global camera image. For

reliable tracking, both dots should stay within the red box. If they fail to

do so, adjustment of the camera’s view of the subject is advised.

Figure 3-12. Target and Eye Positions in the Thumbnail

Camera Images

Now proceed to section 3.7 “Calibration”. Please note that for the EyeLink

Remote, a restricted number of calibration types is available.

IMPORTANT: Remember to remove the target from the subject’s forehead

at the end of the recording session.

An EyeLink 1000 Tutorial: Running an Experiment