Early language acquisition in twins: development and analysis of the Lithuanian Corpus
Articles
Ingrida Balčiūnienė
Vytautas Magnus University, Lithuania
Eglė Krivickaitė
Vytautas Magnus University, Lithuania
Published 2017-04-11
https://doi.org/10.15388/TK.2017.17446
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Keywords

twin language
language acquisition
longitudinal study
corpus linguistics
developmental psycholinguistics

How to Cite

Balčiūnienė I. and Krivickaitė E. (2017) “Early language acquisition in twins: development and analysis of the Lithuanian Corpus”, Taikomoji kalbotyra, (9), pp. 31-45. doi: 10.15388/TK.2017.17446.

Abstract

Twin language is considered to be a unique object of scientific studies in psychology, linguistics, psycholinguistics, sociolinguistics, and speech therapy. Twins tend to lag behind singletons in their language development, but the causes are still unknown. There are many factors affecting the development of twins’ language such as low birth weight, genetic factors, gender, amount of input, intensive interaction between the twins themselves, less interaction with adults than singletons, and many other factors. A commonly held belief is that twins develop their own autonomous and unique communication, also known as ‘secret language’, or ‘private language’. The specific twin language is unique for each pair of twins and cannot be understood by others, not even by their parents.
The purpose of this study is threefold: 1) to present a unique Corpus of Lithuanian Twin Language; 2) to discuss the main principles of the Corpus development and methodological issues; and 3) to present the results of pilot research in the Lithuanian twin language.
The analysis is based on longitudinal data of one pair of heterozygous twins (a girl and a boy) from Kaunas. The twins’ speech was recorded 2-4 times per week in natural daily situations; (around one and a half hour of recordings per month). The data collection was started when the twins were two years and five months of age. The data was collected by their parents under the supervision of linguists from Vytautas Magnus University.
The results of our research attest to manifestations of twin secret language, including the reaction of their parents. In the future, a complex analysis of twin language will be carried out. The results will hopefully be useful to researchers, teachers, speech therapists and anyone interested in atypical language acquisition.

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