Language Development across the Life Span: A Neuropsychological/Neuroimaging Perspective

Table 3

Mean length of utterances in words (MLUw) and morphemes (MLUm) per age group (adapted from Rice et al. [39]).

Age range (in years)	MLUw	MLUm
2; 6–2; 11	2.91	3.23
3-3; 11	3.57	3.95
4-4; 11	4.19	4.66
5-5; 11	4.42	4.92
6-6; 11	4.63	5.14
7-7; 11	4.82	5.33
8-8; 11	5.03	5.59

Note. The scores presented by Rice et al. [39] were averaged for each year range.