2022 SECD Research Roundup - Joslyn Parsons

Kelcey Buck Author

03/07/2022 Added

4 Plays

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Joslyn Parsons, a Clinical Doctorate in Audiology (Au.D.) student, shares about her capstone research project examining the effects of hearing aids and hearing loss on an individual's localization ability.

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[00:00:00.000]I wanted to do something
[00:00:01.768]for my capstone that
[00:00:03.436]really
[00:00:04.537]uh, furthered
[00:00:06.039]the research on hearing aids that we have,
[00:00:08.875]and I worked in
[00:00:09.809]Dr. Brennan's Amplification and Perception Lab
[00:00:12.312]already so
[00:00:13.246]when it was time to start
[00:00:15.215]figuring out a capstone,
[00:00:16.549]he offered to
[00:00:18.451]let me use this study for
[00:00:20.420]localization and how
[00:00:22.489]it's affected by hearing loss
[00:00:23.990]and hearing aids.
[00:00:25.525]Um, a lot of people don't realize
[00:00:28.128]that localization is actually
[00:00:29.829]very important for both speech and safety.
[00:00:32.399]I think a lot of
[00:00:33.600]people just
[00:00:35.568]kind of take for granted
[00:00:37.137]that we have normal hearing and we're able to
[00:00:39.706]hear sounds in space,
[00:00:42.242]but I think the biggest example
[00:00:44.077]of something like this would be
[00:00:46.246]driving down the road one day
[00:00:48.048]and hearing sirens
[00:00:49.416]and trying to figure out where this
[00:00:51.151]is coming from.
[00:00:52.352]With hearing loss,
[00:00:53.820]you can't always
[00:00:55.088]rely on
[00:00:56.356]the cues that we use
[00:00:58.124]for localization.
[00:00:59.526]So, my project looked at
[00:01:01.761]how hearing aids
[00:01:03.530]affects localization abilities
[00:01:06.199]in people with norm -uh
[00:01:07.667]sensorineural hearing loss.
[00:01:09.769]And, we found that
[00:01:11.838]hearing aids
[00:01:13.273]as they
[00:01:15.542]are set
[00:01:16.676]to evidence-based practice procedures
[00:01:19.846]that
[00:01:21.014]the unaided,
[00:01:22.248]or not wearing hearing aids at all, was actually
[00:01:25.185]a lot more helpful
[00:01:26.352]for localizing sounds
[00:01:27.954]than
[00:01:29.255]um, using hearing aids.
[00:01:30.957]It's a small step
[00:01:32.559]but I hope that my research will help
[00:01:35.095]um, give more information about
[00:01:37.831]these effects of hearing aids
[00:01:40.333]by how we always think of hearing aids as a helpful factor,
[00:01:43.570]and typically they are, but there are still
[00:01:45.972]some instances like
[00:01:47.941]speech and noise that
[00:01:50.043]they don't
[00:01:50.977]necessarily help people with,
[00:01:52.645]and in my case, localization.
[00:01:55.715]So, I definitely think that
[00:01:57.817]we're helping research
[00:02:00.720]go in the right direction with hearing aids.
[00:02:03.356]And that's the whole goal of this lab
[00:02:05.325]too, is to make sure that
[00:02:07.127]the perception of sound
[00:02:09.062]is close to equally
[00:02:11.297]accessed by people with normal hearing
[00:02:13.466]and sensorineural hearing loss.

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2022 SECD Research Roundup - Joslyn Parsons

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