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Unformatted text preview: o Eclipse: rare occassion Whne an obj moves with respect to stationary eye the objs retinal image changes its local over time. The same change in retinal image local can occuer when the moves with respnt to a stationary obj. why do we perceive the obh moving in former sit but not in the latter? o Image displacement signal but no eye movement signal = obj motion o Eye movement obj stationary = image displacement and eye movement signal which means there is not actual obj motion o Obj moving but eyes moving to track = no image displacement b/c location on retina is taying same but you do get eye movement signal o If you get etither image displace signal OR eye movement singal that signifies actual obj motion but if you get both that signifies that obj is not moving and the comparator is the component of this system that is sensitive to getting these singals...
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- Fall '10