Which describes the sleeper effect of early visual deficits?
a. If an infant does not experience normal visual experience, even after corrective surgery, it may never develop a normal perception of vision
b. Naps are critical to the development of the depth receptors found on the retina
c. The brain is so plastic, that even with complete absence of visual stimulation for up to a year, human infants will not show any detrimental effects
d. Children tend to inherit visual problems that show up suddenly around age six
Question 2
When asked whether it is important for some sensory damage (e.g., congenital cataract) in an infant be treated early, a competent physician would say,
a. If you hope to achieve the best results, absolutely
b. You can delay the procedure, but only until age two..
c. The earlier you intervene, the more likely the procedure will actually increase the long-term damage..
d. There is no relationship between the timing of intervention and the long-term implications..
Optic nerve, optic chiasm, ¬thalamus, and visual cortex.
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