Evaluation of the Effect of a Visio-Hearing Training Protocol on Spatial Hearing in Subjects With Hearing Loss

Not Applicable

Completed

Conditions: Cochlear Nerve Deafness
Deafness
Cochlear Hearing Loss
Hearing Loss
Cochlear Diseases

Interventions: Behavioral: Training Protocol n°1 first at Visit 1, then, Training Protocol n°2 at Visit 2
Behavioral: Training Protocol n°2 first at Visit 1, then, Training Protocol n°1 at Visit 2

Brief Summary: We recently developed a new Neuro-immersion system based on virtual reality and 3D (dimension) motion tracking. This tool makes it possible to evaluate and record the spatial localization performance of sounds and to highlight localization deficits in the three dimensions of space in deaf patients. Unfortunately, there is currently no suitable support to compensate for these localization deficits. However, the discomfort felt by the patients is clearly verbalized.

Thanks to the new virtual reality system, we are now able to develop a training protocol based on spatial sound localization tasks.

Recruitment & Eligibility

Inclusion Criteria

For all participants (patients and normal hearing adults):

For hearing standards (NH):

For patients (SU, uIC and bIC):

Regular follow-up in the ENT (Ear, nose, and throat) department of the Edouard Herriot Hospital in Lyon or the Purpan Hospital, in Toulouse
Unilateral deep deafness (only for SU patients)
Holder of one Cochlear implant for more than one year (only for uIC patients)
Holder of the second Cochlear implant for more than one year (only for bIC patients)

Exclusion Criteria

Arm && Interventions

Group	Intervention	Description
Group A	Training Protocol n°1 first at Visit 1, then, Training Protocol n°2 at Visit 2	10 normal hearing adults (NH) 10 unilateral deafness adults (SU) 10 mono-implanted adults (uIC) 10 bi-implanted adults (bIC)
Group B	Training Protocol n°2 first at Visit 1, then, Training Protocol n°1 at Visit 2	10 normal hearing adults (NH) 10 unilateral deafness adults (SU) 10 mono-implanted adults (uIC) 10 bi-implanted adults (bIC)

Primary Outcome Measures

Name	Time	Method
Composite measure of spatial localization auditory tasks effect of each training protocol on spatial auditory performances	1 day	* Explicit spatial auditory performances ("2d-D") is the combined (head) pointing error, corresponding to the distance in the space between the exact position of the target and the pointing of the subject. In other words, the more precise the subject becomes in his location of a sound source and the lower the value of "2d-D". * Implicit spatial auditory performances (called "RT") is the response time between the participant's response and the light point.

Secondary Outcome Measures

Name	Time	Method
Measure of the sensory feedback effect on spatial auditory performance by comparing the composite measure of the two training protocols	1 day	* Explicit spatial auditory performances ("2d-D") is the combined (head) pointing error, corresponding to the distance in the space between the exact position of the target and the pointing of the subject. In other words, the more precise the subject becomes in his location of a sound source and the lower the value of "2d-D". * Implicit spatial auditory performances (called "RT") is the response time between the participant's response and the light point

Locations (2): Service d'Oto-Rhino-Laryngologie et Chirurgie cervico-faciale, Hôpital Edouard Herriot
🇫🇷
Bron, France
Service d'Oto-Rhino-Laryngologie et Chirurgie cervico-faciale, Hôpital Purpan, CHU de Toulouse
🇫🇷
Toulouse, France

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