By Keith N. Darrow, Ph.D., CCC-A, FAAA  |  Neuroscientist & Clinical Audiologist, Director of Audiology Research, Hearing & Brain Centers of America

Published: July 23, 2026  |  Based on original student-led clinical research conducted with Keith N. Darrow, Ph.D.

Quick Answer

Many people with tinnitus are told to “just live with it.” A clinical study by Megan Perro with Dr. Keith Darrow tested whether individually fitted FDA-approved hearing technology could reduce tinnitus and its effects on daily life. Among participants, 68% reported quieter tinnitus, 76% reported less interference with hearing and speech, 75% reported better sleep, and about 70% reported better concentration — with most also reporting less emotional distress. The full research is below.

Tinnitus is often described as ringing in the ears, but that description barely captures the range of experiences reported by people living with the condition. Tinnitus may sound like buzzing, humming, hissing, whistling, pulsing, or another internally perceived sound heard in one ear, both ears, or somewhere within the head. For some people, it is mild and occasional. For others, it becomes a persistent and disruptive neurological experience that interferes with hearing, concentration, sleep, emotional well-being, and daily quality of life.

A clinical research project conducted by Megan Perro in collaboration with Keith N. Darrow, Ph.D., examined whether FDA-approved hearing technology could reduce the perceived loudness and broader functional effects of tinnitus. The study evaluated patients before and after they began using individually selected hearing devices designed to increase auditory stimulation and reduce the prominence of tinnitus through amplification and sound masking.

The findings were encouraging. Most participants reported improvement across every major area evaluated, including tinnitus loudness, interference with speech, sleep disruption, attention and concentration, and emotional impact. These results help reinforce an increasingly important principle in tinnitus care: effective treatment should address not only the sound itself, but also the many ways tinnitus affects how a person hears, thinks, sleeps, feels, and functions.

What Is Tinnitus?

Tinnitus is the perception of sound when no corresponding external sound source is present. It is sometimes referred to as a phantom auditory perception because the sound is experienced by the individual but cannot typically be heard by others.

The severity of tinnitus varies considerably. Some people notice it only in quiet settings or during periods of stress, while others hear it throughout the day. Its loudness may fluctuate, and the degree of distress it creates is not always directly related to how loud the sound seems. A relatively soft tinnitus signal may be extremely bothersome to one person, while another person may adapt to a louder sound with less disruption.

Tinnitus affects tens of millions of people in the United States. Over 50 million Americans report experiencing it, with about half describing their tinnitus as bothersome. Global estimates suggest that chronic tinnitus affects a substantial portion of the adult population. Because hearing loss is the most common condition associated with tinnitus, the disorder has become an important focus within audiology, auditory neuroscience, and hearing healthcare.

Why Hearing Loss Can Lead to Tinnitus

Hearing is not simply an ear function. It depends on a complex network extending from the cochlea through the auditory nerve and into multiple regions of the brain.

When hearing declines, the brain receives less complete sensory information. Certain frequencies may become quieter, distorted, or unavailable, and the neural representation of sound can become weakened or inconsistent. The central auditory system does not remain passive in response to this reduced input. Instead, it attempts to compensate.

One proposed mechanism involves an increase in central gain. In simplified terms, the brain may increase neural activity within the auditory system when it is no longer receiving the amount or quality of stimulation it expects from the ears. This increase may involve stronger postsynaptic responses, greater neural synchrony, and heightened spontaneous activity within central auditory pathways.

The process is sometimes compared with phantom limb pain. After the nervous system loses normal sensory input from a limb, the brain may continue generating sensations associated with that missing input. In tinnitus, reduced auditory stimulation may similarly encourage the brain to produce or amplify neural activity that is perceived as sound.

This neurological framework helps explain why restoring access to external sound may be beneficial. When hearing technology increases auditory stimulation, the brain receives more meaningful information from the environment, potentially reducing the contrast between tinnitus and surrounding sound.

What Causes Tinnitus?

Hearing loss resulting from age is the most common cause or associated condition, but tinnitus can arise from several different pathways.

Noise exposure is a frequent contributor, particularly when occupational, recreational, or sudden intense sound damages the cochlea or auditory nerve. Many cases of noise-related tinnitus are therefore closely connected with hearing loss, even when a conventional hearing test does not reveal the full extent of the underlying auditory damage.

Physical trauma, including head injury, may also affect auditory pathways and lead to tinnitus. Cardiovascular and vascular factors can influence tinnitus because the inner ear depends on a delicate blood supply. Hypertension and other circulatory conditions may contribute in some individuals.

Other possible causes or contributing factors include temporomandibular joint dysfunction, certain medications, acoustic neuroma, nutritional deficiencies, aneurysm, multiple sclerosis, stress, nicotine use, and other medical or neurological conditions.

In the current study, approximately 64% of participants believed their tinnitus was caused by hearing loss. About 20% reported that the cause was unknown, while smaller percentages attributed their tinnitus to an accident, head injury, temporomandibular joint dysfunction, or medication use.

These responses reinforce the close relationship between hearing loss and tinnitus while also showing that the patient population is diverse. Each person’s tinnitus history, medical background, hearing status, and symptom pattern must be considered when developing an appropriate treatment plan.

Tinnitus Affects More Than the Perception of Sound

Tinnitus is sometimes discussed as though its only consequence is an unwanted ringing or buzzing sensation. In reality, its effects may extend into nearly every part of daily life.

Some people find that tinnitus competes with speech sounds, making certain words or voices more difficult to understand. The tinnitus may partially mask portions of the auditory signal or draw attention away from the speaker, especially when hearing loss is also present.

Concentration is another common concern. Persistent tinnitus can become difficult to ignore during reading, work, conversation, or other cognitively demanding activities. The brain may continually redirect attention toward the sound, leaving the person feeling distracted, mentally fatigued, or less efficient.

Sleep can also be significantly disrupted. Tinnitus often becomes more noticeable at night because the surrounding environment becomes quieter. Difficulty falling asleep, waking during the night, or being unable to return to sleep can lead to daytime fatigue, irritability, reduced attention, and increased emotional distress.

The emotional effects can be equally important. Persistent tinnitus may generate frustration, anxiety, sadness, fear, or a sense of losing control. These reactions can increase vigilance toward the sound, making it feel even more intrusive.

This can create a self-reinforcing cycle in which tinnitus increases stress, stress increases attention to tinnitus, and increased attention makes the tinnitus seem more prominent. Effective care should therefore evaluate the complete tinnitus experience rather than focusing only on loudness.

The Purpose of the Study

The study examined the effectiveness of FDA-approved hearing technology designed to provide increased auditory stimulation and tinnitus masking.

The treatment approach was based on two complementary principles. The first was to restore more meaningful auditory input to the brain by improving access to environmental sound and speech. For participants with hearing loss, amplification could increase the amount of sensory information reaching the central auditory system and reduce the effects of auditory deprivation.

The second principle was masking. By increasing access to external sound, the devices could reduce the contrast between the tinnitus and the surrounding environment. When the brain has greater access to conversation, music, environmental sounds, and other meaningful auditory input, the tinnitus may become less dominant or intrusive.

The study evaluated whether patients experienced measurable changes in tinnitus loudness and in the effects of tinnitus on hearing, sleep, concentration, and emotion after using the devices over several weeks.

Who Participated in the Research?

The project initially involved 82 participants who were surveyed at their first and final appointments.

At the first visit, each participant received a complete audiological examination. The hearing professional evaluated the individual’s auditory status, tinnitus symptoms, and treatment needs before selecting and fitting appropriate FDA-approved hearing technology. The devices were chosen and programmed for each participant rather than applying one identical setting to the entire group. This individualized process is important because tinnitus characteristics, hearing loss, sound tolerance, communication needs, and lifestyle differ considerably across patients.

Participants also received counseling about tinnitus and hearing loss, along with orientation and instruction regarding the use of their new hearing devices. This educational component helped patients understand the purpose of treatment and how consistent device use could support both hearing and tinnitus management.

Some analyses included 74 participants rather than the full group of 82 because several individuals did not respond to every question. The number of usable responses therefore varied slightly across study outcomes.

How the Treatment Process Worked

After the initial fitting, each participant returned for a follow-up visit. During that appointment, the hearing professional could make adjustments based on the patient’s experience, comfort, hearing needs, and tinnitus response.

This follow-up was an important part of the treatment process. Hearing and tinnitus care should not be viewed as a one-time device fitting. Patients often require changes in gain, frequency response, physical fit, sound therapy settings, or overall comfort as they adapt to the technology. The duration of participation ranged from 28 to 107 days, with an average treatment period of approximately 52 days. This allowed patients to use the technology in everyday situations before completing the final evaluation.

At both the beginning and end of the study, participants rated several aspects of their tinnitus on a scale from 1 to 100. They evaluated the perceived loudness of their tinnitus and the degree to which it affected hearing, sleep, attention and concentration, and emotional well-being. The researchers then calculated the percentage change between the pre-treatment and post-treatment ratings to determine whether each participant improved, worsened, or remained stable.

Most Participants Reported Reduced Tinnitus Loudness

The first outcome examined was the perceived loudness of tinnitus. After using the FDA-approved hearing technology, 68% of participants reported that their tinnitus became less loud. Approximately 27% reported an increase in perceived loudness, while about 4% experienced no change.

The fact that more than two-thirds of participants reported reduced loudness is clinically meaningful because loudness is often one of the first characteristics patients use to describe their tinnitus. A reduction may make the sound easier to ignore, less intrusive in quiet environments, and less likely to dominate attention.

The treatment may have reduced perceived loudness by increasing access to external sound, thereby lowering the contrast between tinnitus and the surrounding environment. Improved auditory stimulation may also have influenced the central auditory system’s response to sensory deprivation.

Regardless of the specific mechanism, the majority of participants experienced a meaningful reduction in the prominence of their tinnitus after beginning treatment.

Tinnitus Interfered Less With Speech and Hearing

The study also asked whether tinnitus masked or interfered with speech sounds. This outcome showed some of the strongest improvement. After treatment, 76% of participants reported that tinnitus was less invasive and interfered less with hearing and speech understanding. Approximately 19% reported greater tinnitus-related interference with hearing, while about 4% remained unchanged.

These results are especially important because many people living with both hearing loss and tinnitus experience a combined communication burden. Hearing loss reduces access to portions of speech, while tinnitus may compete with the weakened auditory signal or draw attention away from conversation.

By improving audibility and increasing access to speech, hearing technology may reduce both problems simultaneously. The patient receives a stronger external signal, while the tinnitus becomes less dominant in relation to the surrounding sound.

A reduction in tinnitus-related speech interference can have consequences far beyond the hearing test. It may improve conversations with family members, participation in meetings, confidence in social settings, and the ability to remain engaged throughout the day.

Most Participants Reported Better Sleep

Sleep disturbance is one of the most common and distressing consequences of tinnitus. When the environment becomes quiet at bedtime, tinnitus may become more noticeable. The sound can interfere with falling asleep, cause repeated waking, or make it difficult to return to sleep during the night. Poor sleep then contributes to fatigue, reduced concentration, irritability, and increased emotional sensitivity the following day.

In the study, 75% of participants reported that their sleep improved after using the hearing technology. Approximately 18% reported that tinnitus continued to negatively affect sleep to a greater degree, while about 6% experienced no change. The improvement may have occurred through several pathways. Reduced tinnitus loudness may have made the sound less intrusive at night. Better hearing during the day may have reduced stress and mental fatigue. Some patients may also have experienced a lower overall level of tinnitus-related vigilance after receiving treatment and counseling.

Because sleep affects physical health, emotional regulation, attention, memory, and quality of life, improvement in this domain represents a particularly meaningful treatment outcome.

Attention and Concentration Also Improved

Tinnitus can consume cognitive resources. A person may be trying to read, work, listen to a conversation, or complete a task while part of their attention remains focused on the tinnitus. This divided attention can lead to frustration, slower performance, and mental fatigue.

Following treatment, approximately 70% of participants reported improvement in attention or concentration. About 24% reported a greater negative impact, while roughly 6% experienced no change. The improvement suggests that reducing the prominence and intrusiveness of tinnitus may allow patients to redirect cognitive resources toward other activities.

Better auditory access may also reduce the amount of effort required to follow speech. When the brain is no longer working as hard to interpret a degraded auditory signal, more attention may remain available for memory, comprehension, work, and everyday decision-making.

The consistency of the attention findings with the results for hearing and sleep suggests that treatment influenced the broader functional burden of tinnitus rather than affecting loudness alone.

Emotional Distress Was Reduced for Most Participants

The study also examined how tinnitus affected participants emotionally. The findings followed the same overall pattern seen in the other outcomes, with a clear majority reporting improvement after using the hearing technology.

This is clinically significant because the emotional reaction to tinnitus often determines how disabling the condition becomes. Two people may experience similar sounds while reporting very different levels of distress based on attention, interpretation, anxiety, sleep, coping ability, and perceived control. When treatment reduces loudness, improves hearing, supports sleep, and restores a sense that something can be done, the emotional burden may decrease.

Counseling may have contributed to this improvement as well. Understanding why tinnitus occurs and how auditory treatment is intended to help can reduce uncertainty and fear. Patients may feel less helpless when they receive a neurological explanation and a structured treatment plan.

The emotional findings support a broader view of tinnitus treatment in which success is measured not only by whether the sound changes, but also by whether the person feels better and functions more comfortably.

Why Increased Auditory Stimulation May Help

The study findings are consistent with the neurological model that tinnitus often emerges or becomes more noticeable when auditory input is reduced. When hearing loss limits the amount of sound reaching the brain, the central auditory system may increase internal neural activity in an attempt to compensate. Restoring auditory stimulation may help counter that imbalance by providing the brain with more meaningful external information.

Hearing technology can increase access to speech, environmental sound, and frequencies that were previously reduced or unavailable. This may make tinnitus less prominent by reducing sensory deprivation and lowering the contrast between internal and external sound. The devices may also reduce cognitive effort. When speech becomes clearer, the brain does not have to devote as many resources to reconstructing missing information. Reduced listening effort may support better attention, less fatigue, and improved emotional well-being.

These mechanisms are likely interconnected. A person who hears better may communicate more easily, feel less isolated, sleep better, experience less stress, and devote less attention to tinnitus. The benefit may therefore result from the combined effects of auditory stimulation, masking, improved communication, reduced cognitive load, and increased confidence.

The Importance of Individualized Treatment

The study did not use a one-size-fits-all device setting. Each participant underwent audiological evaluation and received hearing technology designed around their individual needs.

This is essential in tinnitus care because the condition varies widely across patients.

One person may have tinnitus associated with high-frequency hearing loss. Another may have difficulty understanding speech in noise despite relatively mild threshold changes. Another may experience significant sleep disruption or emotional distress. Some patients may require greater amplification, while others need careful management of sound tolerance.

Individualized fitting allows the hearing professional to balance audibility, comfort, tinnitus masking, and communication benefit.

Follow-up care is equally important. A patient may require adjustments after experiencing the devices in real-world settings. The treatment plan may need to evolve as the person adapts and identifies the situations in which tinnitus remains most noticeable.

The favorable outcomes in this study reflect a clinical process that included evaluation, personalized technology, counseling, orientation, follow-up, and adjustment.

Why Counseling Is an Essential Part of Tinnitus Care

Tinnitus is often frightening because patients do not understand what is happening or whether the sound signals a dangerous condition. Education can reduce some of that uncertainty.

Explaining the relationship between hearing loss, sensory deprivation, central gain, and tinnitus can help patients understand that the sound is connected to changes within the auditory system and brain. This does not eliminate the tinnitus immediately, but it can change how the person interprets and responds to it.

Counseling can also establish realistic expectations. Treatment may reduce loudness, improve sleep, lessen interference with hearing, or make the sound easier to ignore. Different people may improve in different ways.

Patients should also understand that successful treatment often requires consistent use and follow-up. The brain needs time to adapt to renewed auditory stimulation, and the devices may need to be adjusted based on the individual’s response.

By combining technology with education, clinicians address both the auditory and emotional dimensions of tinnitus.

Why These Findings Matter for People With Hearing Loss and Tinnitus

Many people with tinnitus are told that they must simply learn to live with it. The current findings offer a more hopeful and clinically useful message.

Among participants using individually fitted FDA-approved hearing technology, 68% reported reduced tinnitus loudness, 76% reported less interference with hearing and speech, 75% reported better sleep, and approximately 70% reported improvement in attention and concentration. A majority also experienced reduced emotional impact. These outcomes show that tinnitus treatment can produce meaningful improvements across several areas of daily life.

For patients with both hearing loss and tinnitus, treating the hearing loss may provide a dual benefit. Amplification can improve access to conversation and environmental sound while also reducing the prominence and functional burden of tinnitus.

The findings also emphasize the value of seeking treatment early rather than waiting until tinnitus has disrupted sleep, concentration, relationships, and emotional health for years.

Measuring Tinnitus Treatment Beyond Loudness

One of the most important features of the study was its multidimensional approach. Tinnitus loudness matters, but it is not the only outcome patients care about. A person may still perceive some tinnitus while sleeping better, concentrating more easily, hearing conversation more clearly, and feeling less distressed.

In that situation, treatment has been successful even if the sound has not disappeared completely.

The study assessed loudness alongside hearing, sleep, attention, concentration, and emotion. This provides a more realistic picture of how tinnitus affects a person and how treatment may help. Modern tinnitus care should adopt the same broader perspective. Treatment outcomes should reflect the patient’s goals and daily functioning, not only the numerical rating assigned to the sound.

The Value of Student-Led Clinical Research

This project was presented by Megan Perro, who worked alongside Keith N. Darrow, Ph.D., to investigate a clinically important question affecting millions of people.

Because the presentation occurred during the COVID-19 pandemic, the findings were shared remotely by Zoom rather than through a traditional in-person conference presentation. The virtual format allowed the research to be communicated during a period when scientific meetings, academic events, and healthcare education had been significantly disrupted.

The project demonstrates the value of involving students in clinically relevant research. Megan participated in examining patient outcomes, organizing the findings, and presenting the results to a scientific audience. Student-led projects such as this connect academic learning with real-world patient care. They also create opportunities to investigate practical questions that can improve counseling, treatment planning, and public understanding of tinnitus.

The Future of Tinnitus Treatment

As knowledge of tinnitus neuroscience continues to grow, treatment is increasingly moving away from the outdated message that nothing can be done.

The future of care will likely involve personalized combinations of auditory stimulation, prescription hearing technology, sound therapy, counseling, behavioral intervention, sleep support, and management of related medical or psychological factors.

Advances in hearing technology may allow devices to respond more precisely to the patient’s hearing loss, tinnitus characteristics, and listening environment. Improvements in neural measurement and auditory diagnostics may also help clinicians identify which patients are most likely to benefit from particular treatment strategies.

The current study contributes to this progress by showing that FDA-approved hearing technology can produce measurable improvements in the areas that matter most to patients: how loud the tinnitus feels, how much it interferes with speech, whether it disrupts sleep, how it affects concentration, and the emotional burden it creates.

The Bottom Line

Tinnitus is not merely a sound in the ears. It is a neurological and functional condition that can affect hearing, sleep, concentration, emotional well-being, and quality of life. This clinical study found that most participants experienced meaningful improvement after beginning treatment with individually selected FDA-approved hearing technology.

More than two-thirds reported reduced tinnitus loudness. Approximately three-quarters reported less interference with hearing and speech and improved sleep. Most participants also experienced better attention, concentration, and emotional well-being.

The results support an approach to tinnitus treatment centered on restoring auditory stimulation, improving access to meaningful sound, reducing the contrast between tinnitus and the environment, and addressing the complete patient experience. Although tinnitus can be persistent and deeply frustrating, patients should not be told that there are no options.

Appropriate evaluation, individualized hearing technology, counseling, follow-up care, and continued adjustment can make tinnitus less intrusive and help people regain greater comfort, concentration, sleep, communication, and control over their daily lives.

Frequently Asked Questions

Can hearing aids help tinnitus?

For many people, yes. In this study of individually fitted FDA-approved hearing technology, 68% reported reduced tinnitus loudness, 76% reported less interference with hearing and speech, and 75% reported better sleep. Results vary by person, and a smaller group reported no change or a worsening.

How do hearing aids reduce tinnitus?

Two ways. Amplification restores auditory input the brain has been missing, which may calm the increased internal activity (central gain) linked to tinnitus. And by adding external sound, the devices reduce the contrast between tinnitus and the environment, so the tinnitus feels less dominant.

Will hearing aids make my tinnitus go away completely?

Not necessarily. Treatment is considered successful when tinnitus becomes less intrusive — quieter, less disruptive to sleep and focus, less emotionally distressing — even if some sound remains. Individualized fitting, counseling, and follow-up adjustments all matter.

What causes tinnitus?

Age-related hearing loss is the most common associated condition, but tinnitus can also stem from noise exposure, head injury, vascular conditions, TMJ dysfunction, certain medications, and other factors. In this study, about 64% of participants believed hearing loss was the cause.

Does tinnitus really affect sleep and concentration?

Yes. Tinnitus often becomes more noticeable in quiet, which disrupts sleep, and it can pull attention away from tasks. In this study, 75% reported better sleep and about 70% reported better attention and concentration after treatment.

Is it too late to treat my tinnitus?

It’s worth evaluating. The findings support treating hearing loss and tinnitus earlier rather than waiting years, and they challenge the old message that nothing can be done. A comprehensive evaluation is the right first step.

You Don’t Have to Just Live With Tinnitus

If tinnitus is affecting your hearing, sleep, focus, or peace of mind, a comprehensive evaluation can identify whether hearing technology and tinnitus care could help — and earlier is better.

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About the Author

Keith N. Darrow, Ph.D., CCC-A, FAAA is a neuroscientist and clinical audiologist and the Director of Audiology Research at Hearing & Brain Centers of America. He holds a doctoral degree from the joint Massachusetts Institute of Technology (MIT) and Harvard Medical School program in Speech and Hearing Bioscience and Technology, and is a tenured professor at Worcester State University. A Certified Dementia Practitioner with more than 20 years in hearing healthcare, he collaborated on the research discussed in this article.

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Dr. Keith Darrow, PhD, CCC-A, neuroscientist and clinical audiologist

About the research

Perro M, Darrow KN. A Study of Patient Perception of Tinnitus With FDA-Approved Hearing Technology. Student-led clinical research presentation delivered virtually during the COVID-19 pandemic. Co-author Keith N. Darrow, Ph.D., CCC-A is a professor at Worcester State University.

Reviewed & edited by Keith N. Darrow, Ph.D., CCC-A, FAAA — July 23, 2026.

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