Prosodic Boundary Effects on Syntactic Disambiguation in Children With Cochlear Implants

Area of Science:

• Linguistics
• Audiology
• Developmental Psychology

Background:

• Prosodic cues play a crucial role in sentence comprehension, particularly in resolving syntactic ambiguities.
• Children with cochlear implants (CIs) may experience challenges in auditory processing that could impact their ability to utilize these cues.

Purpose of the Study:

• To investigate the impact of prosodic boundary cues on the comprehension of attachment ambiguities in children with CIs and normal hearing (NH).
• To evaluate the applicability of the absolute boundary hypothesis and the relative boundary hypothesis in this population.
• To examine processing speed differences between the two groups.

Main Methods:

• A computerized comprehension task was administered to 15 NH children and 13 children with CIs (ages 8-12).
• Participants completed tasks involving sentences with prepositional phrase attachment ambiguity and manipulated prosodic boundaries.
• Processing speed was also measured.

Main Results:

• Children with CIs and NH children demonstrated differential use of prosodic forms for sentence disambiguation.
• Both groups partially aligned with the relative boundary hypothesis, but the absolute boundary hypothesis did not apply to children with CIs.
• Processing speed was comparable between the groups.

Conclusions:

• Children with CIs do not utilize prosodic information for sentence disambiguation or comprehension facilitation as effectively as NH children.
• Cross-linguistic factors may influence syntactic disambiguation in children with CIs.
• Interventions for children with CIs should directly address prosodic contrasts impacting sentence comprehension.