Idiosyncratic consonant clusters: a Farsi-speaking child with protracted phonological development

Area of Science:

• Linguistics
• Speech-Language Pathology
• Developmental Psychology

Background:

• Protracted phonological development can significantly impact a child's speech intelligibility.
• Children with severe speech sound disorders often exhibit unique phonological patterns.
• Understanding these patterns is crucial for effective intervention.

Purpose of the Study:

• To conduct a nonlinear phonological analysis of a Farsi-speaking child with protracted phonological development.
• To identify and describe common and uncommon phonological processes affecting consonant accuracy.
• To propose an intervention plan based on the analysis of the child's specific difficulties.

Main Methods:

• Analysis of speech data from a 4;8-year-old Farsi-speaking child with low consonant accuracy.
• Application of a nonlinear, constraints-based phonological framework.
• Identification of phonological processes including substitutions and cluster simplifications.

Main Results:

• Observed common processes: fricatives to stops, dorsal/non-anterior coronals to anterior coronals.
• Identified uncommon processes: nasals to oral stops, variable voicing of obstruents.
• Documented novel word-medial clusters (e.g., voiced-voiceless stop sequences) not present in adult Farsi.

Conclusions:

• The child's phonological system displays a complex interaction of common and uncommon processes.
• A nonlinear analysis provides insight into the underlying systematicity of the child's errors.
• Targeted intervention addressing these specific phonological patterns is recommended for improving speech production.