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A technique by Robert fents; saw that babies tend to look at somethings more than others. So they are able to discern objects and the world
VISUAL INTEREST TEST
Do babies prefer patterned and curved things over straight and plain?
Do babies prefer more and larger objects?
What is minimum separable acuity?
where babies prefer more and large objects.
What is contrast sensitivity?
brightness, by 6 mo its like adults
What is color perception?
Hue, Saturation and brightness. Hue: is what color it is. Saturation: is if its less or more read. Brightness is if it is shiny or dull red.
Tested babies on pattern vs. plain. Esepcially with cataracts and saw that if it is removed within the first year, sight will return within a day or several weeks
wanted to know if babies see edge differences, but there was no difference
Explain Fagans test on individual differences?
at 7 months babies can discriminate against very similar faces in all views. However for similar faces, babies could only distinguish in 3/4 view, but not profile.