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Updated: Aug 14, 2026

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fMRI Mapping of Brain Activity Associated with the Vocal Production of Consonant and Dissonant Intervals
Published on: May 23, 2017
Consonant-vowel interaction in an unusual phonological system
1Auburn University, Montgomery, AL.
Summary
This study reveals how consonant and vowel interactions affect disordered phonological systems. Sound changes, driven by assimilation, impact speech sound production and therapy.
Area of Science:
- Speech-language pathology
- Phonological disorders
- Linguistic analysis
Background:
- Understanding phonological processes is crucial for diagnosing and treating speech sound disorders.
- Vowel context significantly influences consonant production in typical and disordered speech.
- Previous research has explored various phonological processes, but the interplay of specific consonant-vowel interactions requires further investigation.
Observation:
- In a disordered phonological system, specific consonant-vowel interactions were observed.
- Labial and labiodental consonants were realized as alveolar consonants preceding front vowels.
- Labial consonants were produced as labial consonants before back vowels.
Findings:
- The observed sound change demonstrates a pattern of assimilation influenced by vowel environment.
- Labial constraints appear to motivate the shift from labial to alveolar consonants before front vowels.
- This specific interaction highlights the complex nature of phonological rule application in disordered systems.
Implications:
- Findings suggest that phonological therapy should consider the influence of vowel context on consonant production.
- Targeting specific consonant-vowel interactions may enhance treatment efficacy for certain speech sound disorders.
- Understanding these articulatory dynamics can inform more precise diagnostic assessments and intervention strategies.
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