Ignite Creation Date:
2024-05-05 @ 11:23 AM
Last Modification Date:
2024-10-26 @ 9:06 AM
Study NCT ID:
NCT00013455
Status:
COMPLETED
Last Update Posted:
2009-01-21
First Post:
2001-03-14
Brief Title:
Quantifying Auditory Perceptual Learning Following Hearing Aid Fitting
Sponsor:
US Department of Veterans Affairs
Organization:
VA Office of Research and Development
Study Overview
Official Title:
Quantifying Auditory Perceptual Learning Following Hearing Aid Fitting
Status:
COMPLETED
Status Verified Date:
2002-05
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
The purpose of this study is to examine and relate physiological behavioral and self-perceived changes after a period of hearing aid use and as a function of auditory training The project will focus on the following questions 1Is experience-related behavioral change in hearing aid performance reflected as a neurophysiologic change 2Does a neurophysiologic change occur prior to or in conjunction with an experience-related behavioral change 3 Does behavioral training modify the neurophysiologic representation of speech following the provision of hearing aids 4What is the relationship between physiologic behavioraland self-perceived change impacted by behavioral training 5Are neurophysiologic changes limited to trained stimuli or does auditory training alter neurophysiological responses
Detailed Description:
The purpose of this study is to examine and relate physiological behavioral and self-perceived changes after a period of hearing aid use and as a function of auditory training The primary objective of this study is to determine how physiological changes may be related to functional changes The design of this experiment also will allow for evaluation of training effects in particular whether training enhances physiological change and further whether specific training transfers functionally and physiologically to similar stimuli The proposed project will focus on the following questions 1 Is an experience-related behavioral change in hearing aid performance over time reflected as a neurophysiologic change in the central auditory system 2 Does a neurophysiologic change occur prior to or in conjunction with an experience-related behavioral change in hearing aid performance over time 3 Does behavioral training over an extended period of time modify the neurophysiologic representation of speech following the provision of hearing aids 4 What is the relationship between physiologic behavioral and self-perceived change over time and is this relationship impacted by behavioral training 5 Are neurophysiologic changes in acoustic representations at a pre-attentive level limited to trained stimuli or does auditory training following the provision of hearing aids alter neurophysiological responses to novel speech sounds with acoustic content similar to the trained stimuli Forty-eight hearing-impaired adults between the ages of 18 and 60 with no hearing aid experience will serve as subjects Subjects will be randomly assigned to one of two experimental groups a individuals who receive auditory exposure in the real-world only b individuals who receive intense controlled auditory practice with feedback in addition to auditory exposure in the real world Dependent variables will include measures of behavioral function frequency specific speech recognition and confidence in different levels of noise physiological function amplitude and latency of mismatch negativity and self-perception Abbreviated Profile of Hearing Aid Benefit over time Data will be analyzed to evaluate relative change over time for each dependent variable and also to examine the relationship between the dependent variables considering hours of hearing aid use and audibility as potential covariates
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
None
Is a FDA Regulated Device?:
None
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?:
None