Yuan Meng
ABSTRACT
Vocal intonation is an important component of language that plays a key role in language comprehension and communication. However, children with hearing loss face challenges in vocal tone recognition due to hearing impairment. In this study, five deaf children and two children with normal hearing were recruited to compare the differences in second and third tone recognition tasks between deaf and normal children. The results revealed that (1) Dysfunction in certain brain regions responsible for processing vocal tones in deaf children is associated with their hearing loss. This reveals the profound impact of hearing loss on the complex neural mechanisms of vocal tone perception. (2) Deaf children may use different neural networks when processing complex information about vocal tones. This adaptation suggests that the human brain has remarkable plasticity in its efforts to compensate for the absence of auditory input. Our study reveals the intricate interplay between hearing, neural processing, and language comprehension. It highlights not only the challenges that hearing-impaired children face in deciphering vocal tones, but also the extraordinary ability of their brains to reconfigure and adapt in an effort to compensate for gaps in auditory perception. Our research contributes to the understanding of the complex world of language processing.
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Index Terms
- An fMRI study of the neural mechanisms of second and third tone recognition in deaf children
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