Which of the following provides evidence of a sensitive period for visual development?
A)
Kittens placed in the dark for a week show diminished ability to perceive objects when returned to the normal environment.
B)
Children with cataracts show a diminished ability to perceive objects, patterns, and details when the cataracts remain in their eye.
C)
Cats raised in an environment that has vertical stripes show increased ability to perceive vertical stripes in a normal environment.
D)
Kittens placed in the dark for a month show increased ability to hear sounds when returned to the normal environment.
Answer: A