Extended High-frequency Hearing and Speech Perception

Brian Monson

Status: Enrolling

Conditions: Low-pass Filtering Speech

Treatments: Diagnostic Test: Reduced extended high-frequency audibility

Study type: Interventional

Funder types: Other; NIH

Identifiers

NCT05435989

R01DC019745 (U.S. NIH Grant/Contract)

AH181

Details and patient eligibility

About

This study examines the effects of low-pass filtering speech on speech perception.

Enrollment: 480 estimated patients

Sex: All

Ages: 19 to 50 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• native speakers of American English
• normal hearing 250-8000 Hz

Exclusion criteria

• non-native speakers of American English
• hearing loss

Trial design

Primary purpose: Basic Science

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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480 participants in 1 patient group

Normal-hearing listeners

Experimental group

Treatment:

Diagnostic Test: Reduced extended high-frequency audibility