Normal vocal/stiff: Many infants have a large collection of noises they make with their airways. They really have no social conscience at all & are not concerned that it bothers us.They also stiffen on occasion when pissed, or whatever, because they have little else that they can do.As they grow older they have more defined abilities that can be applied to have have specific meanings
Answered 4/17/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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