- Conditions
- Auditory Perception
- Interventions
- Sound World Solutions CS50+, Tweak Focus, IQ Earbuds, Bose Hearphones
- Device
- Lead sponsor
- University of Massachusetts, Amherst
- Other
- Eligibility
- 45 Years to 64 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Amherst, Massachusetts
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