Few studies have explored the development of the gesture-speech system after the two-word stage. Aim of the present study is to examine developmental changes in speech and gesture use, in the context of a simple naming task. Fifty-one children (age range: 2;3-7;6) were divided into five age groups and requested to name pictures representing…

Analysis of a large corpus (80 pairs of speakers) of 7-12 year olds suggests that 2 principles underlie the development of dialogue coordination skills. The seven to eight year olds establish a limited common dialogue lexicon, whereas older speakers show evidence of deep coordination processes aimed at establishing mutual intelligibility of a…