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Related Experiment Video

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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Prosody in a communication system developed without a language model.

Lauren Applebaum1, Marie Coppola2, Susan Goldin-Meadow1

  • 1University of Chicago.

Sign Language and Linguistics
|January 10, 2015
PubMed
Summary
This summary is machine-generated.

A deaf child created a unique gestural system, showing early prosodic structure. This suggests the foundations of prosody can emerge even without a conventional language model.

Keywords:
communicationgesturehomesignintonational phraseprosodysign language

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Area of Science:

  • Linguistics
  • Developmental Psychology
  • Sign Language Studies

Background:

  • Prosody, the "music" of language, is crucial in spoken and signed communication.
  • Its robustness across diverse learning conditions, especially in novel communication systems, remains largely unexplored.

Purpose of the Study:

  • To investigate whether prosodic structure emerges in a communication system developed by a child without exposure to conventional language.
  • To determine if a gestural system created by a deaf child lacking conventional language input would exhibit prosodic features.

Main Methods:

  • Observation of a deaf child with hearing loss who received no formal sign language instruction.
  • Analysis of the child's self-developed gestural communication system for prosodic elements.
  • Comparison of observed prosodic features with those found in established sign languages.

Main Results:

  • The child developed a unique gestural system in the absence of a conventional language model.
  • This system incorporated features marking utterance boundaries, similar to established sign languages.
  • Internal phrase and utterance boundaries were not consistently marked within the child's system.

Conclusions:

  • A single child can develop foundational elements of a prosodic system independently.
  • The full development of prosody may necessitate extended time, multiple users, or intergenerational transmission.
  • This study provides insights into the innate capacities for prosodic structure in language acquisition.