Unilateral Hearing Loss Clinical Trial
— SSDOfficial title:
Reorganization of Central Auditory System After Single Sided Deafness: a Functional Magnetic Resonance Imaging Study
Verified date | February 2018 |
Source | University Hospital, Toulouse |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The objective is to study the relation between the reorganization of the central auditory system, and the psychophysical deficits in binaural hearing in subjects with single sided deafness.
Status | Completed |
Enrollment | 30 |
Est. completion date | April 2016 |
Est. primary completion date | April 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Right-handed subjects - SSD confirmed using evoked auditory potentials Exclusion Criteria: - Associated neurological disorder |
Country | Name | City | State |
---|---|---|---|
France | University Hospital of Toulouse | Toulouse |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Toulouse |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Lateralization index | ratio of the BOLD signal (blood oxygenation level dependent) obtained at the superior temporal cortex in response to stimulation of the monaural sound to the ear BOLD signal obtained for the same stimulus presented binaurally | 4 weeks | |
Primary | Speech Reception Threshold | signal / noise ratio for the recognition of 50% of the words in dichotic hearing | 4 weeks | |
Secondary | SRT in reverse dichotic hearing, mean localization error angle | 4 weeks | ||
Secondary | the percentage of errors in test horizontal location of the sound source | 4 weeks | ||
Secondary | seniority of deafness | requested information to the patient OR recovered in his medical file | inclusion |
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