We present a neural network model of referent identification in a visual world task. Inputs are visual representations of item pairs unfolding with sequences of phonemes identifying the target item. The model is trained to output the semantic representation of the target and to suppress the distractor. The training set uses a 200-word lexicon…

Speech productions of 40 English- and 40 Japanese-speaking children (aged 2-5) were examined and compared with the speech produced by 20 adult speakers (10 speakers per language). Participants were recorded while repeating words that began with "s" and "sh" sounds. Clear language-specific patterns in adults' speech were found,…

Examined relation of social-pragmatic and data- providing features of input to productive vocabulary of 63 two-year-olds. Found benefits of data provided in mother- child conversation, but no effects of social aspects of those conversations. Properties that benefited lexical development were quantity, lexical richness, and syntactic complexity.…