Congenital deafness
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Experimental group: 1. Prelingually deaf children diagnosed with severe or profound sensorineural hearing loss; 2. Implanted with CI or ABI before the age of 6; 3. Age at follow-up >= 3 years; 4. CI or ABI implantation for more than 1 year; Normal hearing group: 1. Age >= 3 years; 2. Normal hearing and speech development; 3. Able to communicate in Mandarin Chinese; 4. Normal intelligence.
Exclusion criteria
Exclusion criteria: Experimental group: 1. Individuals with inner ear malformations (only CI implantation), or those who have undergone a second implantation due to surgical complications; 2. Individuals with other neurological disorders; 3. Individuals with recent cold symptoms. Normal hearing group: Individuals with recent cold symptoms.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Eeg neurophysiological indicators;Near-infrared neurophysiological indicators;Intelligence/developmental assessment scales; | — |
Secondary
| Measure | Time frame |
|---|---|
| Acoustic indicators of speech production;Subjective questionnaire of auditory and speech function;Hearing diagnostic results;Speech audiometry; | — |
Countries
China
Contacts
Department of Otolaryngology, Head & Neck Surgery, Shanghai Ninth People’s Hospital, affiliated to Shanghai Jiaotong University School of Medicine