Benefit of Assistive Listening Device for Lateralization

Benefit of Assistive Listening Device for Lateralization and Spatial Hearing

Speech intelligibility in noise will be evaluated in adults with moderate to moderate-severe sensorineural hearing loss using a Phonak Roger microphone and hearing aid with compatible Phonak Roger receiver. Target speech will be presented from multiple directions while competing diffuse background noise is presented simultaneously. Participants will repeat back words and percent correct is calculated.

Inclusion Criteria:

• Experienced hearing aid users, age 18 or older
• Bilateral, symmetric moderate to moderate-severe sensorineural hearing loss
• Good understanding of the English language
• Health outer ear as confirmed by otoscopy
• Informed consent as documented by signature

Exclusion Criteria:

• Contraindications to the medical device noted upon otoscopy
• Known hypersensitivity or allergies to materials of the investigations device or comparator
• Inability to produce reliable test results
• Known psychological problems
• Self reported symptoms of vertigo or dizziness