So often times you will see problems with speech acquisition, idiosyncratic language, language that is repetitive, problems with back and forth conversation. (kidsinthehouse.com)
Why are there so many parallels between human speech acquisition and vocal production learning in songbirds? (icn2018.com)
During more than two decades at Rockefeller, Peter Marler, a leader in the field, examined the interplay between the inborn program for song in young birds and the influence of social factors, uncovering parallels to speech acquisition in human babies. (sciencedaily.com)