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Phonetic trace effects in experimentally-induced vowel errors.

Manasvi Chaturvedi¹, Jason Anthony Shaw¹

¹Department of Linguistics, Yale University, New Haven, CT, USA.

Cognitive Neuropsychology

|October 27, 2025

Summary

This summary is machine-generated.

Vowel speech errors reveal phonetic details, similar to consonant errors. These findings support models of speech production involving cascading activation across linguistic levels.

Keywords:

Speech errors cascading activation phonological competition speech planning speech production vowels

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Area of Science:

Linguistics
Psycholinguistics
Speech Science

Background:

Speech errors offer insights into speech production mechanisms and their neural underpinnings.
Consonant speech error studies support cascading activation models, showing phonetic trace effects.

Purpose of the Study:

To extend the speech error elicitation paradigm to vowels.
To investigate the phonetic properties of vowel speech errors.

Main Methods:

Adapted an experimental paradigm for eliciting speech errors.
Analyzed vowel errors using acoustic measures, specifically formant analysis and duration.

Main Results:

Vowel errors systematically differed from canonical productions in primary articulatory dimensions (formant measures).
Vowel errors did not show consistent differences in duration compared to canonical productions.

Conclusions:

Vowel errors exhibit phonetic properties analogous to consonant errors.
Findings support models of speech production that incorporate cascading activation between linguistic levels.