Clinical Trial Details
— Status: Recruiting
Administrative data
| NCT number |
NCT06161857 |
| Other study ID # |
8537 |
| Secondary ID |
32889 |
| Status |
Recruiting |
| Phase |
|
| First received |
|
| Last updated |
|
| Start date |
December 18, 2023 |
| Est. completion date |
June 2024 |
Study information
| Verified date |
February 2024 |
| Source |
Cardiff and Vale University Health Board |
| Contact |
Eirwin Chief Investigator |
| Phone |
02921 843179 |
| Email |
Eirwen.jones[@]wales.nhs.uk |
| Is FDA regulated |
No |
| Health authority |
|
| Study type |
Observational
|
Clinical Trial Summary
This study is looking at a method called 'ABR', which measures the electrical activity in the
brain (brain waves) when we hear sounds. This study will look at the electrical activity in
participants brains in response to high-pitched sounds. First, the investigators will find
the quietest sounds the participants can hear. Then the investigators will use 'ABR' to
measure the quietest sounds that trigger electrical activity in participants brains'. This is
to find out if there is a difference between the quietest sounds participants can hear, and
the quietest sounds that trigger these brain waves. We are also interested in finding out if
having a hearing loss affects this.
Description:
The most common way of measuring how good someone's hearing is, is to play them sounds at
different levels and ask them to respond when they can hear it, for example, by pressing a
button when they hear a sound. However, some people such as young children and people with
learning disabilities can't do this. So, we may use the ABR technique instead. However, there
are usually differences between ABR thresholds (the quietest level of sound needed to trigger
an electrical response in the brain) and behavioural hearing level thresholds (the quietest
level sound is perceived). If we know what this difference usually is, we can use ABR to work
out how good someone's hearing is. We can already do this for most of the important pitches
(aka frequencies) of sound, as typically experienced in the muffled sound in telephones. But
we do not know the difference between ABR and behavioural thresholds for high-pitched sounds
that help make hearing crisper. So, that is what this study is trying to find out.
To do this we need people with different hearing levels to participate in our study.
Including people with normal hearing and people with a hearing loss. We aim to recruit nearly
40 people in total with a range of different hearing levels.
