Children creating core properties of language: Evidence from an emerging sign language in Nicaragua. Senghas, A., Kita, S., & Ozyürek, A. Science, 305(5691):1779-82, 2004.
doi  abstract   bibtex   
A new sign language has been created by deaf Nicaraguans over the past 25 years, providing an opportunity to observe the inception of universal hallmarks of language. We found that in their initial creation of the language, children analyzed complex events into basic elements and sequenced these elements into hierarchically structured expressions according to principles not observed in gestures accompanying speech in the surrounding language. Successive cohorts of learners extended this procedure, transforming Nicaraguan signing from its early gestural form into a linguistic system. We propose that this early segmentation and recombination reflect mechanisms with which children learn, and thereby perpetuate, language. Thus, children naturally possess learning abilities capable of giving language its fundamental structure.
@Article{Senghas2004,
  author   = {Ann Senghas and Sotaro Kita and Asli Ozy\"urek},
  journal  = {Science},
  title    = {Children creating core properties of language: {E}vidence from an emerging sign language in {N}icaragua.},
  year     = {2004},
  number   = {5691},
  pages    = {1779-82},
  volume   = {305},
  abstract = {A new sign language has been created by deaf Nicaraguans over the
	past 25 years, providing an opportunity to observe the inception
	of universal hallmarks of language. We found that in their initial
	creation of the language, children analyzed complex events into basic
	elements and sequenced these elements into hierarchically structured
	expressions according to principles not observed in gestures accompanying
	speech in the surrounding language. Successive cohorts of learners
	extended this procedure, transforming Nicaraguan signing from its
	early gestural form into a linguistic system. We propose that this
	early segmentation and recombination reflect mechanisms with which
	children learn, and thereby perpetuate, language. Thus, children
	naturally possess learning abilities capable of giving language its
	fundamental structure.},
  doi      = {10.1126/science.1100199},
  keywords = {Adolescent, Adult, Child, Cohort Studies, Deafness, Gestures, Humans, Learning, Linguistics, Movement, Nicaragua, Research Support, Non-U.S. Gov't, U.S. Gov't, P.H.S., Sign Language, 15375252},
}

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