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Extended High-frequency Hearing and Speech Perception

Extended High-frequency Hearing and Speech Perception

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05435989
Enrollment
480
Registered
2022-06-28
Start date
2021-11-09
Completion date
2026-06-30
Last updated
2023-05-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Low-pass Filtering Speech

Brief summary

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

Interventions

DIAGNOSTIC_TESTReduced extended high-frequency audibility

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

Sponsors

National Institute on Deafness and Other Communication Disorders (NIDCD)
CollaboratorNIH
Brian Monson
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
19 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

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

Exclusion criteria

* non-native speakers of American English * hearing loss

Design outcomes

Primary

MeasureTime frameDescription
Speech recognition or localization scoreDay 1Speech recognition or localization scores are assessed using alternative forced choice procedures implemented with custom software scripts (e.g. in Matlab)

Countries

United States

Contacts

Primary ContactBrian Monson, PhD
monson@illinois.edu217-300-6212

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026