Kelly is able to track an object smoothly, but she still lacks the ability to perceive depth. How old is Kelly?

Name: Kelly is able to track an object smoothly, but she still lacks the ability to perceive depth. How old is Kelly?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Depth perception typically develops around 4 to 5 months of age, while the ability to track moving objects smoothly develops around 2 months. Since Kelly can track objects but lacks depth perception, she is likely around 2 months old.

Kelly Is Able to Track an Object Smoothly, but She