Introduction: The acquisition of speech and language constitutes a dynamic part of two-year-old children’s growth. Expressive lexicon is a key indicator of language ability in these children. Premature birth, birth before gestational week 37, is one of the most common risk factors associated with learning skill development. A review of literature suggests inconsistent results on the...

Abstract Languages differ markedly in the number of colour terms their lexicons. The Himba, for example, a remote culture Namibia, were reported 2005 to have only 5-colour term language. We re-examined naming using novel computer-based method drawing colours from across gamut rather than saturated shell space that is norm cross-cultural research. Measuring confidence communication, Himba now se...