Can 'Infants tried all manner of signals'facial expressions, vocalizations, and body movements'to get their mother or father to respond again.' be viewed as neither a logical extension nor a contradiction of 'Infants also try to use gestures with their hands.'
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.