We did measure fixation time during a visual search task and you can find
our procedure (SMI EyeLink) in
Coeckelbergh, T.R.M., Brouwer, W.H., Cornelissen, F.W., Kooijman, A.C., The
effect of visual field defects on eye movements and the practical fitness to
drive. Vision Research, 2002; 42: 669-677
Aart Kooijman
-----Oorspronkelijk bericht-----
Van: Canice McGivern [mailto:[log in to unmask]]
Verzonden: vrijdag 17 mei 2002 10:48
Aan: [log in to unmask]
Onderwerp: [EM_LIST] Fixation Times
We are currently looking at ocular fixation using the Skalar Limbus tracking
device. One of the parameters that we intend measuring is the mean fixation
time. Has anyone looked at this using the Slaral Limbus system (or somthing
similar). If so, how have you defined when the eye is fixating either on or
off target. HAve you used a velocity threshold e.g. fixation ocurrs when the
eye velocity is less than X deg/s
Comments/advice welcome
Regards
Canice McGivern
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