Development of Functional Spatial Hearing in Reverberation

NCT ID: NCT05815537

Last Updated: 2025-10-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

EARLY_PHASE1

Total Enrollment

116 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-01

Study Completion Date

2025-06-30

Brief Summary

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The goal of the clinical trial study (Phase 0) is to map out the developmental trajectory of functional spatial hearing abilities in reverberant environments for children with normal hearing between the ages of 6 and 18 years, and to understand the inter-relationships between the three perceptual abilities: auditory object size formation, spatial acuity, and spatial unmasking during typical development. Children are asked to perform psychoacoustic tasks when the auditory stimuli are processed to present in virtual acoustic environments (1) with no reverberation and (2) with one of the two levels of reverberation that emulate everyday indoor environments. The intervention of this clinical study is in the random assignment of one of the two reverberant environments. Researchers will compare these children with a group of normal-hearing adults to anchor matured performances.

Detailed Description

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Conditions

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Spatial Hearing Development

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

There are two arms in the exposure of reverberation for participants. For children (n1=45) and adults (n1=15) assigned to Arm 1, they receive a non-reverberant environment (control) and a low-reverberant environment (intervention A). For children (n2 = 45) and adults (n2 = 15) assigned to Arm 2, they receive the same non-reverberant environment (control) and a high-reverberant environment (intervention B). Both arms of children and adults enrolled perform the same psychoacoustic tasks for outcome assessments.
Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Low-Reverberation

Participants perform psychoacoustic tasks under a low-reverberant environment and a control environment without reverberation.

Group Type EXPERIMENTAL

Low-Reverberation

Intervention Type OTHER

The exposure to low-reverberation is by presenting auditory stimuli to participants that are digitally processed to contain auditory cues that sound more or less reverberant, e.g., small classroom.

High-Reverberation

Participants perform psychoacoustic tasks under a high-reverberant environment and a control environment without reverberation.

Group Type EXPERIMENTAL

High-Reverberation

Intervention Type OTHER

The exposure to high-reverberation is by presenting auditory stimuli to participants that are digitally processed to contain auditory cues that sound more or less reverberant, e.g., large lecture hall/auditorium.

Interventions

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Low-Reverberation

The exposure to low-reverberation is by presenting auditory stimuli to participants that are digitally processed to contain auditory cues that sound more or less reverberant, e.g., small classroom.

Intervention Type OTHER

High-Reverberation

The exposure to high-reverberation is by presenting auditory stimuli to participants that are digitally processed to contain auditory cues that sound more or less reverberant, e.g., large lecture hall/auditorium.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* All individuals within age limits who are typically developing with normal hearing who pass 25 dB HL from 250 Hz to 8000 Hz.

Exclusion Criteria

* Individuals who fail hearing screen as described above.
* Individuals who have a diagnosed intellectual developmental disability
Minimum Eligible Age

6 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Father Flanagan's Boys' Home

OTHER

Sponsor Role lead

Responsible Party

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Ellen Peng

Research Scientist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Z. Ellen Peng

Role: PRINCIPAL_INVESTIGATOR

Father Flanagan's Boys' Home

Locations

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Boys Town National Research Hospital

Omaha, Nebraska, United States

Site Status

Countries

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United States

Other Identifiers

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BoysTown

Identifier Type: -

Identifier Source: org_study_id

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