“…The process of modelling child language acquisi tion is very complex, as many of the first at tempts confirmed (Feldman et al, 1990;Suppes, Liang & Bottner, 1991). Rather than modelling the process in entirety, an undoubtedly daunting task, modellers took the simplified approach of focusing upon individual linguistic behaviours, leading to much research into relatively con strained problems such as understanding over and undergeneralisation errors (Plunkett, Sinha, Moller & Strandsby, 1992), single word learning (Regier, 2005), syntactic category acquisition (Redington, Chater & Finch, 1988) and past tense learning (Rumelhart & Mcclelland, 1986).…”