Kittens and Monkeys Reared Seeing Only Diffuse,unpatterned Light

Kittens and monkeys reared seeing only diffuse,unpatterned light

A) later had difficulty distinguishing color and brightness.
B) later had difficulty perceiving color and brightness,but eventually regained normal sensitivity.
C) later had difficulty perceiving the shape of objects.
D) showed no impairment in perception,indicating that neural feature detectors develop even in the absence of normal sensory experiences.