503 Clinical Trials for Various Conditions
Individuals with Fragile X Syndrome show differences in how they understand and learn language from infancy. They frequently have lifelong delays in speech and language as well. In addition, they experience other auditory symptoms, including being very sensitive to certain sounds as well as being more sensitive than others to loud sounds. The underlying brain activity for sound perception and speech learning in Fragile X is not well understood, especially in the infant and toddler years. This study uses behavioral assessment of speech and language abilities, neuroimaging, and hearing tests to understand how speech and hearing are different in children with Fragile X Syndrome.
Individuals with Fragile X Syndrome show differences in how they understand and learn language from infancy. They frequently have lifelong delays in speech and language as well. In addition, they experience other auditory symptoms, including being very sensitive to certain sounds as well as being more sensitive than others to loud sounds. The underlying brain activity for sound perception and speech learning in Fragile X is not well understood, especially in the infant, toddler, and preschool years. This study uses behavioral assessment of speech and language abilities, neuroimaging, and hearing tests to understand how speech and hearing are different in children with Fragile X Syndrome.
Recognition of speech sounds is accomplished through the use of adjacent sounds in time, in what is termed acoustic context. The frequency and temporal properties of these contextual sounds play a large role in recognition of human speech. Historically, most research on both speech perception and sound perception in general examine sounds out-of-context, or presented individually. Further, these studies have been conducted independently of each other with little connection across labs, across sounds, etc. These approaches slow the progress in understanding how listeners with hearing difficulties use context to recognize speech and how their hearing aids and/or cochlear implants might be modified to improve their perception. This research has three main goals. First, the investigators predict that performance in speech sound recognition experiments will be related when testing the same speech frequencies or the same moments in time, but that performance will not be related in further comparisons across speech frequencies or at different moments in time. Second, the investigators predict that adding background noise will make this contextual speech perception more difficult, and that these difficulties will be more severe for listeners with hearing loss. Third, the investigators predict that cochlear implant users will also use surrounding sounds in their speech recognition, but with key differences than healthy-hearing listeners owing to the sound processing done by their implants. In tandem with these goals, the investigators will use computer models to simulate how neurons respond to speech sounds individually and when surrounded by other sounds.
This study explores the impact of hearing aid settings for managing sudden sounds on speech comprehension and recall in individuals with hearing loss. Participants will undergo a comprehensive audiological evaluation, case history, and cognitive assessments. Subsequently, they will participate in listening experiments designed to measure sentence recognition, storage, and retrieval under various sudden sound reduction conditions recorded through a hearing aid. The experiment will be complemented by subjective preference ratings to identify participant comfort and listening clarity associated with different sudden sound reduction settings.
Every year, approximately 100,000 Veterans seek help at VA Audiology clinics for hearing and communication difficulties only to learn that they have normal hearing sensitivity. Unfortunately, there are very few established options to improve hearing and listening for these patients. To address this need, audiologists are increasingly prescribing hearing aids set to provide a small amount of amplification. Patients may benefit from the amplification or from modern hearing aid features such as noise reduction technology and the ability to stream sounds from a desired sound source directly to their ears thus reducing the background noise. This project will help to determine if prescribing hearing aids to patients without hearing loss is, in fact, beneficial and if so, why. It will also help to determine if some patients benefit more from hearing aids than others so that in the future, rehabilitation strategies can be better targeted toward individuals.
The protocol has two aims; Aim 1 involves two experiments and Aim 2 involves three experiments. Under Aim 1, the investigator will identify that the frequency and time ranges of consonants produce consonant enhancement (i.e., "target frequency range" and "target time range", respectively), and that the frequency and time ranges of consonants cause consonant confusions (i.e., "conflicting frequency range" and "conflicting time range", respectively). Aim 2 tests the effects of the frequency and time ranges, identified through Aim 1 on consonant recognition with each of the four signal processing conditions: no signal processing (i.e., control condition), the target frequency and time ranges intensified alone, the conflicting frequency and time ranges suppressed alone, and both target range intensification and conflicting range suppression.
This study examines the effects of low-pass filtering speech on speech perception.
Participants will be recruited by performing chart reviews of patients to be seen at University of Texas Medical Branch at Galveston Ophthalmology and Optometry Clinic. A sample size of at least 30 patients is needed (60 eyes). Patients aged 55 and higher will be further evaluated to meet the inclusion criteria. Patients meeting inclusion criteria will be provided with informed consent to participate in the study before their office visit. Patients will receive a consent briefing then asked to sign and date the informed consent form. Participants will then be randomized to undergo an eye exam and refractive exam with noise cancelling Bluetooth headphones for one eye and without for the other eye. Participants will fill out a written survey asking them to rate the quality of the eye exam with and without headphones. Primary aim: Assess the quality improvement of Ophthalmic exam in geriatric patients with hearing loss with use of noise cancelling headphones with Bluetooth feature. Secondary aims: 1)Compare the response to the standardized questions with and without Bluetooth noise cancelling headphones to determine their effectiveness in conducting Ophthalmic refractive exam. 2) Explore the ease of conducting refractive exam as reported by provider.
Participants will be comparing the sound quality of their own voice and the sound quality of streamed music using universal couplings and a custom earmold with a dynamic vent.
Age-related hearing loss, presbycusis, affects up to 50% of American adults. There are two main causes for presbycusis: 1) Progressive death of hair cells in the inner ear, and 2) Central hearing loss, or the reduced ability to decipher the sound source of interest from other competing sounds in a multi-source complex environment. The first cause is better understood and treatment options, such as hearing aids and cochlear implants, are available. However, central hearing loss is not as well understood and there is not a treatment available at this time. This study aims to advance our understanding of central hearing loss by evaluating the abilities of younger and older listeners in two primary outcome measures: to 1) neurologically process sound stimuli and 2) focus on conversational speech in the presence of spatially-separated competing background noise. A test using Auditory Brainstem Responses (ABR) will be used to evaluate the brain's response to clicking sounds. This study will assess all waveform data, but will focus particularly on wave III. Sentence in noise tests will be used to assess each subject's ability to process speech in noisy situations. Both the ABR and sentence in noise tests are non-invasive and are commonly used in audiology practices to diagnosis and treat a variety of audiological pathologies.
If someone is really sensitive to certain noises and sounds, they might have misophonia. U-HEAR is a study created to find out what helps kids and teens with misophonia. There are two treatments being tested in this study. The treatment your child receives will be determined at random. There will be a Two-Thirds (2/3rds or 66%) chance your child will receive a treatment called the Unified Protocol for Children and Adolescents (UP-C/A) that has been modified to meet the needs for youth with misophonia. There is a One-Third (1/3rd or 33%) chance your child will receive a treatment called Psychoeducation and Relaxation. All participants will get ten free treatment sessions. Each session will last one hour and happen once a week. The aim of the study is to evaluate the feasibility and preliminary efficacy of the UP-C/A for youth with misophonia.
The purpose of this study is to better understand the sensitivity of listeners to the fast changes in frequency or amplitude of sounds that occur in speech. The investigators are studying ways to manipulate these aspects of sounds in an effort to make speech sounds more clear.
Hearing aids are being fit on inexperienced hearing aid users and the short-term and long-term effects are measured. This research aims to improve understanding of the individual factors that contribute to receiving benefit from hearing aids and lead to more individualized treatment of hearing loss.
The purpose of this program of research is to understand the perception of the dynamic spectral properties of speech by hearing-impaired listeners, with the long-term goal of improving speech understanding by these individuals in adverse listening conditions. The proposed research compares the performance of normally-hearing and hearing-impaired listeners on measures of speech understanding in the presence of different types of signal distortion and speech understanding of signals with enhanced spectral dynamics. A computational model based on the amount of potential information available in speech will be used to quantify differences in speech intelligibility due to hearing status and stimulus characteristics.
The purpose of this study is to investigate if sound stimulation could improve pure-tone hearing threshold. In the late 1990s, researchers discovered that acoustic stimuli slow progressive sensorineural hearing loss and exposure to a moderately augmented acoustic environment can delay the loss of auditory function. In addition, prolonged exposure to an augmented acoustic environment could improve age-related auditory changes. These ameliorative effects were shown in several types of mouse strains, as long as the acoustic environment was provided prior to the occurrence of severe hearing loss. In addition to delaying progressive hearing loss, acoustic stimuli could also protect hearing ability against damage by traumatic noise. In particular, a method called forward sound conditioning (i.e., prior exposure to moderate levels of sound) has been shown to reduce noise-induced hearing impairment in a number of mammalian species, including humans. Interestingly, recent report has suggested that low-level sound conditioning also reduces free radical-induced damage to hair cells, increases antioxidant enzyme activity, and reduces Cox-2 expression in cochlea, and can enhance cochlear sensitivity. Specifically, increased cochlear sensitivity was observed when distortion product otoacoustic emissions (DPOAEs) and compound action potentials (CAPs) were measured. In addition to forward sound conditioning, backward sound conditioning (i.e., the use of acoustic stimuli after exposure to a traumatic noise) has been shown to protect hearing ability against acoustic trauma and to prevent the cortical map reorganization induced by traumatic noise. Based on the results of animal studies, the investigators conducted a human study in 2007 and observed that sound stimulation could improve hearing ability. On average, the pure-tone hearing threshold decreased by 8.91 dB after sound stimulation for 2 weeks. In that study, however, the investigators observed only the hearing threshold changes by sound stimulation. To verify the previous ameliorative effect of sound stimulation, the investigators included a control period in this study.
This study is being conducted to evaluate the benefits of in-the-ear vs. open-fit behind-the-ear hearing aids. We want to learn more about which patients prefer each type, so we can make better choices about which type of hearing aid is best for which patients. Participants in this study will try three different sets of hearing aids for 2 months each, then we will evaluate the benefit of each type. Participants must be Veterans who are eligible for audiology care at one of the three participating sites.
The study is designed to examine the effectiveness of a computer-based auditory training program to improve the benefits received by individuals who wear hearing aids. The study will involve 3 groups - a computer-based training group, an active listening group which will involve listening to books on CD, and a placebo group that receives no additional treatment.
This is a study to gather some information on the safety and efficacy of the penetrating auditory brainstem implant (PABI) in patients with neurofibromatosis type 2.
Hearing impaired participants will be fit with study devices which will have three different hearing aid programs. Speech intelligibility will be measured using validated tests for each of the three hearing aid programs. The order of the hearing aid programs will be randomized across participants and each participant will be blinded as to the programs being tested.
Binaural hearing involves combining auditory information across the ears. With binaural hearing, listeners benefit from perceiving sounds from different spatial locations. This is critical in solving the "cocktail party problem" (i.e., understanding speech in the presence of competing background sounds and noise). As humans get older, hearing loss increases, binaural abilities decrease, and the cocktail party problem becomes increasingly difficult. This research studies the mechanisms underlying the impact of age and hearing loss on speech-perception in noise and cocktail-party listening situations. More specifically, the role of hearing asymmetries between the ears is investigated. The specific aims are to generate an audiological and binaural-hearing-focused dataset for a large cohort of participants that vary in hearing asymmetry, age, and hearing loss and to use machine learning to uncover complex associations and generate novel hypotheses relating audiometric variables and basic binaural-hearing abilities to the cocktail-party problem. Participants in this research will complete perceptual measures of hearing acuity and spatial hearing. Participants will also report on speech understanding under noisy and challenging listening conditions. This research may lead to improvements in audiological care and hearing interventions.
Hearing loss is a major public health concern due to its negative association with emotional well-being, cognition, and physical ailments, such as diabetes. Access to audiologists and otolaryngologists in many regions across the US is poor or extremely limited. Rural populations are older, less educated, and have lower household incomes compared to populations in metropolitan areas. Also, with increasing age adults experience greater rates of hearing loss. Fortunately, the 2022 FDA Final Rule for Over-the-Counter Hearing Aids (OTC HAs) could revolutionize assess to hearing aids and hearing healthcare by allowing adults with perceived mild-to-moderate hearing loss to purchase these devices over the counter, without medical clearance or care from an audiologist. Pharmacies located in rural areas now have the option to provide OTC HAs, something previously not possible. Currently, however, there are no established guidelines for effective provision of these devices in pharmacies located in rural communities. Educating pharmacy technicians to provide basic hearing healthcare related to OTC HAs use could address a critical need and create a new care delivery model to ensure sustainable, long-term access to hearing healthcare. The long-term goal of this study is to create a sustainable interprofessional collaborative between audiologists and pharmacists for the development of a hearing healthcare model that improves access and affordability of care in rural regions across the country. The specific aims are to 1) Determine an effective approach for educating pharmacy technicians for the provision of OTC HAs in rural community pharmacies, and 2) Identify satisfaction of care provided by pharmacy technicians and initial performance with OTC HAs in adults with hearing loss living in rural communities. A stepped wedged clinical trial design will be used to study the effectiveness of a comprehensive educational training program for pharmacy technicians. Technicians from rural Alabama and Mississippi, placed within four different clusters, will participate in a multimodal training program for the purpose of developing basic clinical skills to assist adults with perceived mild-to-moderate hearing loss. Additionally, adults with hearing loss who receive clinical services from trained pharmacy technicians will be asked to report on the care they received and benefit from their OTC HAs. The central hypotheses are a) that pharmacy technician training will result in greater understanding of hearing healthcare concepts compared to no training, and b) the training will lead to successful provision of basic hearing healthcare to adults with hearing loss in rural communities. The expected outcome of this project will be the establishment of a multimodal education program, leveraging the increased access of OTC HAs, to support those with hearing loss in rural pharmacies across the county. The ability of pharmacy technicians to provide this support will dramatically increase the availability of hearing services in rural communities, which will positively impact the quality of life for those with hearing loss.
The objective of this study is to test the effect of a community-delivered, affordable, and accessible hearing care intervention on improving communication function and health-related quality of life among older Korean Americans (KA) and the older Korean American's care partners that integrates a low-cost over-the-counter amplification device and hearing rehabilitation in comparison to a 6-month delayed treatment group through a cluster randomized controlled study.
The goal of this clinical trial is to learn if hearing devices, like hearing aids and cochlear implants, affect social and cognitive function of older adults. The main questions the researchers want to answer are: * How social are older adults with hearing loss before and after using hearing devices? * How well do older adults with hearing loss think before and after using hearing devices? * For older adults who have hearing loss and use hearing devices, do changes in social interaction explain changes in how well they think (cognitive function)? * Do brainwaves (EEGs) in older adults with hearing loss change after using hearing devices? * Are there differences in how social older adults with hearing loss are compared to older adults without hearing loss? What Participants Will Do: * Participants will take questionnaires for around 60 minutes. Questionnaires will ask participants about their background, health, hearing, and how social they are. Another set of questionnaires will check their thinking ability or cognition. * Participants will wear an audio sensor for 2 weeks. The sensor will collect and store information about a participant's voice during conversations. Once the device has information about a participant's voice such as pitch and tone it will store this information and delete the audio recording. Words spoken during conversations will be deleted. * (Optional) Participants can choose to participate in a 45-60-minute EEG (electroencephalogram) recording session. Participants will have sensors placed on top of their heads. Sensors will record the participants' brainwaves. Sounds will be played to see how participants' brainwaves change when they hear sounds.
This study will assess the benefit of extended wear hearing aids for subjective listening effort, compared to the unaided condition, in adults with mild sensorineural hearing loss.
The purpose of this study is to determine if artificial intelligence- based noise reduction can offer objective improvement in hearing and speech perception for hearing impaired patients.
The goal of this interventional clinical study is to investigate the use of mild therapeutic hypothermia devices for preservation of sensory structures in the cochlea after noise exposure. The main aims of the study are: 1. To test the safety and best duration for use for a new hypothermia device. 2. To determine if the hypothermia device helps decrease noise-induced hearing loss in a group of firefighters. Participants will wear the mild therapeutic hypothermia therapy devices immediately after a fire service shift serially over a year. Researchers will compare results from those receiving the therapy to those from a control group (individuals receiving no therapy and a sham therapy).
The goal of this clinical trial is to learn how hearing instruments perform in varying environmental settings in adults with hearing loss. The main questions it aims to answer are: How do varying versions of hearing instrument features perform based on exposure to different environments? What is the hearing instrument user preference between varying versions of hearing instrument features? Participants will be fit with hearing instruments in the lab, and asked to wear them for the duration of the study period in their home environment. Participants will be asked to answer questionnaires throughout the study period.
The research will explore outcomes of different service delivery models of over-the-counter (OTC) hearing aids by comparing them to prescription hearing aids fitted by specialists in individuals with mild to moderate hearing loss. The investigators will examine how each type affects users' experiences, behavior, thinking skills, and brain activity related to hearing. Additionally, the study will focus on what types of people prefer each hearing aid option, what helps or hinders these choices, and compare the costs of four different service options. This approach will help transition from research findings into real-world practice, providing useful information for healthcare providers and policymakers about OTC hearing aid options.
This clinical trial tests the impact of offering hearing tests (audiometry) close to home and remotely on participation in monitoring for treatment-related hearing loss in patients with head and neck squamous cell cancer receiving cisplatin and/or radiation. Cisplatin, a chemotherapy often used to treat head and neck cancers, and radiation given near the ear can cause hearing loss in some patients. Hearing loss can have a major negative impact on quality of life, contributing to social isolation and frustration. Identifying hearing changes may allow treatment changes to prevent further loss. Audiometry measures hearing loss using a graphic record of the softest sounds that a person can hear at various frequencies. It is recommended patients have a hearing test before, during and after treatment to monitor for any hearing loss. This is usually done in the office and performed on the same day as other visits whenever possible, however, patients who live far away or have stage IV cancer, may have more difficulty coming back for hearing tests. Offering close to home and remote audiometry may improve monitoring for hearing loss in patients with head and neck squamous cell cancer receiving cisplatin and/or radiation.
Unaddressed age-related hearing loss is highly prevalent among older adults, typified by negative consequences for speech-in-noise perception and psychosocial wellbeing. There is promising evidence that group singing may enhance speech-in-noise perception and psychosocial wellbeing. However, there is a lack of robust evidence, primarily due to the literature being based on small sample sizes, single site studies, and a lack of randomized controlled trials. Hence, to address these concerns, this SingWell Project study utilizes an appropriate sample size, multisite, randomized controlled trial approach, with a robust preplanned statistical analysis. The objective of the study is to explore if group singing may improve speech-in-noise perception and psychosocial wellbeing for older adults with unaddressed hearing loss. The investigators designed an international, multisite, randomized controlled trial to explore the benefits of group singing for adults aged 60 years and older with unaddressed hearing loss. After undergoing an eligibility screening process and completing an information and consent form, the investigators intend to recruit 210 participants that will be randomly assigned to either group singing or an audiobook club (control group) intervention for a training period of 12-weeks. The study has multiple timepoints for testing, that are broadly categorized as macro (i.e., pre- and post-measures across the 12-weeks), or micro timepoints (i.e., pre- and post-measures across a weekly training session). Macro measures include behavioural measures of speech and music perception, and psychosocial questionnaires. Micro measures include psychosocial questionnaires and heart-rate variability. The investigators hypothesize that group singing may be effective at improving speech perception and psychosocial outcomes for older adults with unaddressed hearing loss-more so than participants in the control group.