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Related Experiment Video

Updated: Jul 24, 2025

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition

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Published on: July 13, 2019

Does Lexical Stress Pattern Affect Learning and Producing New Words in Greek for Children With Cochlear Implants?

Christina Adamidou¹, Areti Okalidou¹, Marios Fourakis²

¹Department of Educational & Social Policy, University of Macedonia, Thessaloniki, Greece.

Journal of Speech, Language, and Hearing Research : JSLHR

|July 7, 2023

Summary

Children with cochlear implants (CIs) showed lower word learning performance compared to hearing peers. Lexical stress impacted word production, with iambic words being more accurately produced but less accurately stressed by children with CIs.

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Area of Science:

Linguistics
Audiology
Developmental Psychology

Background:

Lexical stress is crucial for word learning and production.
Children with cochlear implants (CIs) often face challenges in speech perception and production.

Purpose of the Study:

To investigate the impact of lexical stress (trochaic vs. iambic) on word learning in Greek-speaking children with CIs.
To compare word learning and production abilities between children with CIs and their normal-hearing peers.

Main Methods:

A word learning paradigm including word production and identification tasks was employed.
22 Greek-speaking children with CIs and 22 age-matched normal-hearing controls participated.
Nonwords with contrasting lexical stress patterns were used.

Main Results:

Children with CIs performed significantly lower than controls in all word learning tasks.
Lexical stress affected word production but not identification in children with CIs.
Children with CIs produced iambic words more accurately but stressed them less accurately than trochaic words.

Conclusions:

Greek children with CIs demonstrate deficits in word learning compared to normal-hearing peers.
A dissociation between perception and production mechanisms was observed in children with CIs.
Stress assignment in iambic words may indicate speech and language development in children with CIs.