Improving Speech in Noise Using Noninvasive Stimulation
Recruiting
N/AInterventional Study
Traumatic Brain InjuryHearing Loss
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
25 – 55
Sex
Any
Study type
Interventional
Purpose
Basic Science
Participants needed
55 (estimated)
Sponsor
University of Florida · Other
Who this trial is looking for
Think this trial could be right for you?
Answer a few quick questions to see if you may meet the eligibility requirements.
Traumatic brain injury, a common injury in military service personnel, often leads to poor processing of speech in noisy environments. The goal of the current study is to better understand the brain basis for this difficulty and evaluate a new approach to improving speech in noise perception.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* 25-55 years old
* Proficiency in English
* TBI group: history of traumatic brain injury by blast or physical trauma
* Normal hearing group: no history of traumatic brain injury
Exclusion Criteria:
* Other neurological diseases or related conditions will be excluded (e.g., la…
Inclusion Criteria:
* 25-55 years old
* Proficiency in English
* TBI group: history of traumatic brain injury by blast or physical trauma
* Normal hearing group: no history of traumatic brain injury
Exclusion Criteria:
* Other neurological diseases or related conditions will be excluded (e.g., large vessel stroke, seizures). We will exclude patients with severe medical diseases that may be associated with impaired cognition (e.g., heart failure, dialysis dependent kidney disease, brain cancer). Further, psychiatric diseases that are unlikely to be related to trauma will be excluded (e.g., schizophrenia).
Patients with histories of severe psychiatric disease prior to trauma exposure will be excluded.
* Current illicit or prescription drug abuse (within the last two months)
* Any taVNS contraindication, including but not limited to the presence of unremovable metal in the left ear, known heart conditions, medications that influence neurotransmitters thought to be critical for vagus nerve stimulation (norepinephrine, acetylcholine, and serotonin), or implanted medical devices such as a pacemaker.
Contacts
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