Which one of the following is an example of a developmental disability primarily affecting a person's physical growth or motor development?
Cerebral palsy
Cerebral palsy is a developmental disorder caused by damage to the developing brain, most often before or during birth, that primarily impairs muscle control, coordination, and motor development.
Amblyopia (reduced vision in one eye) and nystagmus (involuntary eye movement) are vision-related conditions, while presbycusis is age-related hearing loss — none of these primarily affect physical growth or motor development the way cerebral palsy does.
This makes cerebral palsy the correct example of a developmental disability affecting physical growth and motor function.
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