Having heard "a pimwit", English-speakers assume that "the pimwit" is also possible. This type of productivity is attributed to syntactic categories such as NOUN and DETERMINER, but the key question is "how" do humans become endowed with these categories in the first place. We propose a novel approach that combines…

The present study examined continuity/discontinuity and stability/instability of noun and verb production measures in 30 child-mother dyads observed at 16 and 20 months, and predictive relations with the acquisition of nouns and verbs at 24 months. Children exhibited significant discontinuity and robust stability in the frequency of nouns and…

Because of its structural characteristics, specifically the prevalence of verb types in infant-directed speech and frequent pronoun-dropping, the Italian language offers an attractive opportunity to investigate the predictive effects of input frequency and positional salience on children's acquisition of nouns and verbs. We examined this…

Some research in child language suggests that semantically general verbs appear in grammatical structures earlier than semantically complex, specific ones. The present study examines whether this was the case in nouns, using imageability as a proxy measure of semantic generality. Longitudinal corpus data from 12 children from the Manchester corpus…

Twenty-nine infants aged 1;1 and their mothers were videotaped while interacting with toys for 18 minutes. Six experimental stimuli were presented to elicit infant communicative bids in two communicative intent contexts--proto-declarative and proto-imperative. Mothers' verbal responses to infants' gestural and non-gestural communicative bids were…

Using an observational task followed by an experimental task with an Intermodal Preferential Looking Paradigm, we examined the effect of input on children's acquisition of class extension rules by investigating the relationship between the amount of polysemous noun-verb pairs in French-speaking 2-year-olds' input and both their spontaneous…

Ten mothers were observed prospectively, interacting with their infants aged 0 ; 10 in two contexts (picture description and noun description). Maternal communicative behaviours were coded for volubility, gestural production and labelling style. Verbal labelling events were categorized into three exclusive categories: label only; label plus…

Six tests of the spontaneous speech of twenty-one English-speaking children (1 ; 10 to 2 ; 8; MLUs 1[middle dot]53 to 4[middle dot]38) demonstrate the presence of the syntactic category determiner from the start of combinatorial speech, supporting nativist accounts. Children use multiple determiners before a noun to the same extent as their…

This study examines the distribution of nouns and verbs in maternal speech to one year olds. Mothers and children were videotaped. Nouns and verbs in maternal speech were coded for frequency, sentence position, and occurrence with grammatical inflections. Frequency of nouns and verbs varied with context. (33 references) (KM)

Fourteen mothers and their children participated in a storybook reading session in which the mothers taught their children both a basic-level count noun and a situation-restricted count noun for a series of object drawings. Analysis of mothers' spontaneous teaching strategies revealed that they typically taught a basic-level count noun before a…

This study shows that the noun bias in early vocabularies rests only in part on the acquisition of object names. An analysis of vocabulary composition from 45 children at I;8 indicates that more nouns are acquired than all other word classes but that only about half of the nouns acquired are the names of basic level object classes (BLOCs). (KM)

Mothers were found to respond differentially to their infants' object-related gestures. Pointing was found to have an especially strong correlation with mothers' object-labelling responses, which in turn were predictive of the child's object-naming vocabulary. (Author/JB)

Investigates structural and pragmatic aspects of caregiver input in English and Korean that relate to the early development of nouns and verbs. Twenty mothers in each language were asked to interact with their children in two contexts: Book-reading and toy-play. Data suggest that systematic comparisons of caregiver input within and across…

This study investigated whether mothers' responses to their infants' gestures play a role in their infants' vocabulary development. Eight infants were observed interacting at home with their mothers on 2 occasions, when the infants were 10 to 12 months old, and 16 to 18 months old. Videotapes of the observations were transcribed and coded for…

Examined individual growth rates in definitional skill over a period of 3 to 6 years, for 68 low-income children. Results of the study support the notion that definitional skill is related to being part of an academic culture; low-income mothers, whose formal schooling is complete, generally do not give oral definitions to simple nouns as well as…