PSY/CS330 Human Factors
5/2/00
Day 1-23
Eye Movements - 2
uVersion
lSaccades, most common
uplaces object on fovea.
ucan be > 400 deg/sec.
uTakes ~ 200 msec to begin
lSmooth Pursuit
utrack moving objects
urelatively slow ~30 deg/sec.
uVergence:
lConvergence (together) and divergence (apart)
uAllows us to look at closer and farther objects.
urelatively slow and also takes about 200 msec to begin