With the premise 'Infants tried all manner of signals'facial expressions, vocalizations, and body movements'to get their mother or father to respond again.', is 'Infants also try to use gestures with their hands.' a logical derivative?
Infants tried all manner of signals'facial expressions, vocalizations, and body movements'to get their mother or father to respond again.###Infants also try to use gestures with their hands.