
Period 9 Kevin
Wednesday, November 6, 2013
Shape contancy
Shape constancy is a form of perceptual constancy is where we perceive the form of familiar objects as constant even while our retinal images of them change.

Brightness constancy
Brightness constancy is where we perceive an object as having a constant lightness even while illumination varies.The perceived lightness of an object depends on relative luminance which is the amount of light an object reflects a fair amount of light.
Size constancy
Size constancy is an aspect of perceptual constancy in which an object will appear to be the same size to an observer despite of changes in light , rotation, distance, perspective etc. This skill is so important that is appears in an infant only a couple of weeks old.

Motion Perception (post 3)
A good example of motion perception is the "Wagon-wheel effect." You'll notice sometimes that when you watch a car drive down the road, their wheels almost seem to turn backwards though they are driving forwards. This is that effect.
(https://webspace.utexas.edu/cokerwr/www/index.html/illusion90.html)

(https://webspace.utexas.edu/cokerwr/www/index.html/illusion90.html)
Motion Perception (post 2)
One other type of MOTION PERCEPTION is the Stroboscopic effect. This is a visual phenomenon caused by aliasing that occurs when constant motion is shown by a visual series of short or instantaneous samples. A strobe light is a good example of this. - HANK
(http://www.tumblr.com/tagged/strobe-lights)
(http://www.tumblr.com/tagged/strobe-lights)
Motion Perception (post 1)
One type of motion perception is Phi Phenomenon, which is an optical allusion of perceiving constant motion amongst spaced objects seen rapidly in succession. The picture below from (http://en.wikipedia.org/wiki/Phi_phenomenon) is an example of this phenomenon. - HANK
Binocular cue
Binocular cues help you judge how far things are. Some examples include stereopsis, eye convergence, disparity, and yielding depth from binocular vision through exploitation of parallax.

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