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The role of vocal practice in constructing phonological working memory
Tamar Keren-Portnoy1, Marilyn M Vihman, Rory A DePaolis
1Department of Language and Linguistic Science, University of York, Heslington, York YO10 5DD, United Kingdom. tkp502@york.ac.uk
Summary
Vocal practice significantly impacts phonological working memory in toddlers. Familiarity with speech sounds and words, especially real words, enhances nonword repetition skills.
Area of Science:
- Developmental Psychology
- Linguistics
- Speech-Language Pathology
Background:
- Phonological working memory is crucial for language acquisition.
- The relationship between speech production and phonological working memory is not fully understood.
- Early vocal experiences may shape cognitive abilities related to language.
Purpose of the Study:
- To investigate the effects of vocal practice on phonological working memory in young children.
- To determine if experience with consonant production influences nonword repetition.
- To examine how familiarity with speech sounds and words affects memory performance.
Main Methods:
- A longitudinal study design was employed.
- Naturalistic observations and a nonword repetition test were utilized.
- Fifteen 26-month-olds, with 12 followed from 11 months, participated.
Main Results:
- A strong correlation was observed between consonant production experience and nonword repetition ability.
- Differential experience with specific consonants predicted performance on tailored nonword tasks.
- Repetition accuracy was highest for real words, followed by familiar nonwords, and lowest for unfamiliar nonwords.
Conclusions:
- Speech production plays a vital role in the development of phonological working memory.
- Familiarity with word components is a key factor in successful nonword repetition.
- These findings highlight the interconnectedness of motor-speech and cognitive processes in early development.
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