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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
Prosody indexes both competence and performance
Duane G Watson1, Cassandra L Jacobs2, Andrés Buxó-Lugo3
1Psychology and Human Development, Vanderbilt University, Nashville, Tennessee.
Prosody, a key language feature, is challenging to study. Linguistic theories must include nonlinguistic factors like context and experience to accurately explain prosodic choices.
Area of Science:
- Linguistics
- Psychology
- Cognitive Science
Background:
- Prosody is crucial for conveying information in language.
- Studying prosody is complex and poses challenges for linguistic theories.
- Current grammatical theories inadequately explain prosodic variations linked to nonlinguistic factors.
Purpose of the Study:
- To provide an account for prosodic phenomena influenced by nonlinguistic cognitive demands.
- To argue for the integration of cognitive and contextual factors into linguistic models of prosody.
- To re-evaluate the role of prosody in language by considering broader cognitive influences.
Main Methods:
- Analysis of prosodic choices in relation to communicative context.
- Examination of top-down cognitive expectations influencing prosody.
- Investigation of recent articulatory and acoustic experiences impacting prosodic production.
- Review and critique of existing linguistic theories of prosody.
Main Results:
- Identified specific prosodic phenomena not fully explained by traditional linguistic theories.
- Demonstrated the influence of nonlinguistic factors such as context, expectations, and experience on prosodic choices.
- Highlighted limitations in current models that exclude cognitive and experiential influences.
Conclusions:
- Linguistic theories of prosody are incomplete without incorporating nonlinguistic cognitive demands.
- A comprehensive understanding of prosody requires integrating factors beyond purely linguistic grammar.
- Failure to account for these broader influences leads to a mischaracterization of prosody's role in language.
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