Objective: The purpose of this study is to evaluate changes in the acoustic properties of voice in patients with profound sensorineural hearing loss to determine the effectiveness of voice therapy. Material-Method: Our study consisted of 15 individuals from the 20-25 years of age with bilateral symmetrical hearing loss (Group A), and 15 individuals in the 26-65 age group with post lingual cochlear implants (Group B). The control group (Group C) included 15 adults with the normal hearing range from the age group of 20-30. Prospective analysis methods was utilized for this research. In order to quantitatively measure the psychosocial consequences of voice-related disorders the Voice Handicap Index (VHI) was given, and, to determine the acoustic measures of the voice quality, the /ah/ sound was digitally recorded with the Multidimensional Voice Program (Kay Elemetrics) in all groups. Conclusion: Average Fundamental frequency (F0), jitter percentage (jitter), shimmer, noise-harmonic ratio (NHR), voice turbulence index (VTI), soft phonation index (SPI), PPQ and APQ parameters were analyzed through acoustic sound analysis program. When the data in Group A are compared with Group B, the acoustic parameters show a statistically significant higher value. Discussion: Speech intelligibility increased in individuals with profound hearing loss who received sound therapy and who used cochlear implants. According to the results of the VHI, individuals with cochlear implants benefit from voice therapy.
The present study addresses whether adults with Broca's aphasia who have damage in their Posterior Left Inferior Frontal Gyrus (PLIFG) show similar performance to typically developing children in their processing of complex syntax. We tested comprehension of Turkish relative clauses using a sentence-picture matching task in Broca's patients and children with typical development (aged: 3;04-4;03). Both groups showed better performance in subject relative clauses compared to object relative clauses. Children's similar performance to Broca's patients might be due to the fact that PLIFG is a latematuring neural region. Our participants had more errors in object relative clauses despite the first referent was the agent so there was no evidence for the agent-first strategy. Poor performance in object relative clauses was linked to the morphosyntactic complexity in these structures.
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