We consider two theories of laryngeal representation, one using a single feature [voice] generalizing across prevoicing languages and aspiration languages, and the other using multiple features: [voice] for pre-voicing languages and [spread glottis] for aspiration languages. We derive predictions for children’s early productions, and test these for three Germanic languages. Children acquiring Dutch, a prevoicing language, show de-voicing of stops, while available data from German, an aspiration language, show de-aspiration. Although the difference might simply reflect intrinsic properties of children’s early production and perception systems, we argue that a representational account is in order, based on multiples features. The case is made for English, an aspiration language, based on the early productions of a single child. A laryngeal harmony pattern is found which spreads voicelessness from coda to onset, which is argued to involve activity of [spread glottis]. This is interpreted as evidence for a laryngeal representation involving multiple features.

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Sign languages can be categorized as shared sign languages or deaf community sign languages, depending on the context in which they emerge. It has been suggested that shared sign languages exhibit more variation in the expression of everyday concepts than deaf community sign languages (Meir, Israel, Sandler, Padden, & Aronoff, 2012). For deaf community sign languages, it has been shown that various sociolinguistic factors condition this variation. This study presents one of the first in-depth investigations of how sociolinguistic factors (deaf status, age, clan, gender and having a deaf family member) affect lexical variation in a shared sign language, using a picture description task in Kata Kolok. To study lexical variation in Kata Kolok, two methodologies are devised: the identification of signs by underlying iconic motivation and mapping, and a way to compare individual repertoires of signs by calculating the lexical distances between participants. Alongside presenting novel methodologies to study this type of sign language, we present preliminary evidence of sociolinguistic factors that may influence variation in the Kata Kolok lexicon.

Please be advised that this information was generated on 2018-05-11 and may be subject to change.

This paper contributes to the ongoing debate on how much detail young children's word representations contain. We investigate early representations of place of articulation and voicing contrasts, inspired by previously attested asymmetrical patterns in children's early word productions. We tested Dutch-learning 20- and 24-month-olds’ perception of these fundamentally different contrasts in a mispronunciation-detection paradigm. Our results show that different kinds and directions of phonological changes yield different effects. Both 20- and 24-month-olds noticed coronal mispronunciations of labials, but not vice versa. The 24-month-olds noticed voiced mispronunciations of voiceless stops, but not vice versa, while the 20-month-olds failed to notice any voicing mispronunciations. We argue that early lexical representations are specified in very systematic ways, that not all phonological contrasts are encoded at the same time and that the phonological system of a language determines which contrasts are specified first in the representations of early words.