Role of the Auditory Efferent System in Auditory Perceptual Learning

Stopped early · Not applicable

Conditions studied: Auditory Training and Auditory Efferent System

In brief

The purpose of this study is to determine how changes in speech perception resulting from a computerized auditory training program are related to concurrent changes in auditory brainstem function resulting from the training. It is hypothesized that the degree of improvement in speech perception will be correlated with the degree of change in brainstem function.

Key facts

Study ID

NCT02574247

Run by

VA Loma Linda Health Care System

People needed

28

Starts

2016-03-29

Expected to finish

2017-05-17

Last updated by the study team

2018-01-05

Who can join

Age: 35 and older, up to 89. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 3-frequency pure-tone average ≤40 decibels hearing level (dB HL)
• Air-bone gaps ≤10 decibels (dB) from 500-4000 Hz
• 226-Hz tympanograms within normal limits
• Measurable acoustic reflexes bilaterally
• Measurable transient-evoked otoacoustic emissions
• Ability to read and speak English
• Ability to comply with all test procedures
• Ability to commute to VA Loma Linda Healthcare System 12 times

You may not qualify if…

• Hearing asymmetry >15 decibels at three or more audiometric frequencies
• Conductive hearing loss or otologic pathology
• History of middle ear surgery
• Chronic disease and/or use of medication that affects ability to participate in test procedures during study period

Where it is running

• VA Loma Linda Healthcare System — Loma Linda, California, United States

Full record on ClinicalTrials.gov

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