Auditory Speech Perception Development in Relation to Patient's Age with Cochlear Implant (original) (raw)
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Indian Journal of Otolaryngology and Head & Neck Surgery, 2020
The advent of Cochlear Implants (CI) has bought with it, the goal of spoken language performance for severe-profound sensori-neural hearing loss (SNHL) as par with the normal hearing listeners. The aim of this study was to evaluate the outcome of paediatric cochlear implantation in auditory and speech skills below the age of 5 years. The present study consisted of 50 childrens. Auditory skills were assessed in terms of audiometric thresholds and localization abilities. Speech-Language skills were measured using; Categories of Auditory Performance-CAP; Meaningful Use of Speech Scale-MUSS; Meaningful Auditory Integration Scale-MAIS and Speech intelligibility Rating-SIR. Hearing thresholds obtained from all the subjects for pre implant and post implant conditions of 3rd, 6th, 9th, 12th month conditions, evidenced a high significant (p \ 0.001) improvement across all test frequencies 500, 1000, 2000 and 4000 Hz. There was also a statistically significant difference across successive measurements of auditory and speech skills, as determined by ANOVA (F (4, 245) = 151.33, p \ 0.001 for CAP; F (4, 245) = 89.636, p \ 0.001 for SIR; F (4, 245) = 812.282 p \ 0.001 for MAIS and F(4, 245) = 435.677 p \ 0.001 for MUSS). Auditory localization abilities were also improved considerably over a period of one year. The present study added the evidence to the literature that cochlear implants significantly improved the hearing ability of children with severe-to-profound hearing loss. This study also demonstrated that, children were better able to make use of the auditory information perceived through the implant.
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 2010
Objective-1) To investigate whether children implanted in the first year of life show higher levels of speech perception than later-implanted children, when compared at the same ages, and 2) to investigate the time course of sensitive periods for developing speech perception skills. More specifically, to determine whether faster gains in speech perception are made by children implanted before 1-yr-old relative to those implanted at 2 or 3 years.
Speech perception in adolescents with pre-lingual hearing impairment with cochlear implants
Brazilian journal of otorhinolaryngology
Profound hearing loss is a disability that affects personality and when it involves teenagers before language acquisition, these bio-psychosocial conflicts can be exacerbated, requiring careful evaluation and choice of them for cochlear implant. To evaluate speech perception by adolescents with profound hearing loss, users of cochlear implants. Prospective. Twenty-five individuals with severe or profound pre-lingual hearing loss who underwent cochlear implantation during adolescence, between 10 to 17 years and 11 months, who went through speech perception tests before the implant and 2 years after device activation. For comparison and analysis we used the results from tests of four choice, recognition of vowels and recognition of sentences in a closed setting and the open environment. The average percentage of correct answers in the four choice test before the implant was 46.9% and after 24 months of device use, this value went up to 86.1% in the vowels recognition test, the average...
Otolaryngology Open Access Journal, 2020
Profound deafness during childhood affects the normal development of auditory and speech perception, speech production, and language skills. Cochlear implants (CIs) have revolutionized the scenario of rehabilitation of profoundly deaf individuals. A prelingual deaf is one who is congenitally deaf or whose hearing loss occurred before speech development. The current review was undertaken to assess the impact of cochlear implants (CIs) in prelingual deaf children on their hearing and speech perception, speech production and language development.
Prelingual Deaf Children Treated With Cochlear Implant
Otology & Neurotology, 2019
Objectives: To develop a percentile ranking system driven by speech recognition data obtained from different groups of patients treated with a cochlear implant to serve as a tool to monitor the progress of these patients. Study Design: Prospective study. Setting: Tertiary referral center. Patients: Diagnosed with a bilateral, profound sensorineural hearing loss treated with a unilateral cochlear implant. Intervention: Diagnostic. Main Outcome Measure: Six different percentiles (p) were classified taking into account the correlation between speech recognition outcome scores and age at implantation, with reference to the onset of hearing loss. Results: Four hundred sixteen prelingual patients were included. These subjects were divided into subgroups depending on age at implantation. Prelingual group, from the fifth year after implantation, p50 centered on the following percentages of correct words in each subgroup: 100, 94.6, 91.4, 91.0, 79.2, and 63.1% in children implanted under 12 months, 1, 2, 3, 4 to 6, 7 to 10 years, respectively. After a 12-year follow-up, a significant negative correlation between age at implantation and speech recognition was observed in both prelinguals (Rho s ¼À0.578, p<0.001). Conclusion: A percentile system was developed to monitor the postimplant progress of prelingual deaf implanted patients, with potential applications in patient follow-up and handling circumstances that may deteriorate results.
The American journal of otology, 1997
The relation between age at cochlear implantation and long-term open-set speech recognition was studied in a group of nine congenitally deaf children. The age at cochlear implant surgery ranged from 4 to 13 years. The results showed that there was a tendency toward poorer results in the children implanted at a relatively older age. However, the results also indicated that an upper limit for age at implantation cannot yet be defined in these children.
Cochlear Implantation in Prelingually Deafened Adolescents
Archives of Pediatrics & Adolescent Medicine, 2012
To determine the efficacy of cochlear implantation (CI) in prelingually deafened adolescent children and to evaluate predictive variables for successful outcomes. Design: Retrospective medical record review. Participants: Children aged 10 to 17 years with prelingual hearing loss (mean length of deafness, 11.5 years) who received a unilateral CI (mean age at CI, 12.9 years). Intervention: Unilateral CI. Main Outcome Measures: Standard speech perception testing (Consonant-Nucleus-Consonant [CNC] monosyllabic word test and Hearing in Noise [HINT] sentence test) was performed preoperatively, 1 year postoperatively (year 1), and at the last follow-up/end of the study (EOS). Results: There was a highly significant improvement in speech perception scores for both HINT sentence and CNC word testing from the preoperative testing to year
Speech Development in Prelingually Deaf Children with Cochlear Implants
Language and Linguistics Compass, 2009
Since the early 1980s, cochlear implantation has been an approved method for treating profound bilateral sensorineural hearing loss in children. It is widely believed that the use of this device would significantly benefit young deaf children's development of speech and ability to participate in aural–oral communication. However, whereas significant improvement in speech reception and perception skills following implantation has been widely documented, cochlear prostheses as speech production aids have been studied less extensively. The main objective of this article is to review the work conducted on speech produced by prelingually deaf children following cochlear implantation. Cochlear implants and their functioning are described, as are the cognitive, social and clinical factors known to play a role in successful implantation of children. It is concluded that cochlear implantation may speed up speech production to near normal rates, but initial delays are not totally reversible. In addition, the variability in all performance measures is high, and the reasons for good and poor outcomes are only partly understood.