When Everyday Sounds Trigger Big Feelings: Inside Misophonia Research

Misophonia causes strong emotions in response to everyday sounds like chewing or sniffing. The condition often involves feelings of immediate distress or anger. This can be confusing and upsetting for children, adults, and their families or friends. Misophonia can disrupt family meals, school, work, friendships, and other parts of daily life. At Yale Child Study Center, Associate Professor Thomas Fernandez, MD, works with patients who struggle with misophonia.

Fernandez also studies the genetics of misophonia and other conditions. In a recent interview with the Misophonia Research Fund (MRF), he described current research investigating how misophonia is rooted in the brain. He also discussed how discoveries about underlying biological mechanisms could ultimately lead to more targeted treatments. Read on for key takeaways from the interview and follow-up with Fernandez about the research.

Misophonia can cause intense feelings of distress, anger, or panic. This can happen when someone hears chewing, sniffing, tapping, or other sounds. “The response can feel immediate and involuntary, and some people avoid shared meals, classrooms, workplaces, or social situations to escape triggers,” comments Fernandez. He emphasizes that these feelings are real, even if others are not bothered by the same sounds. It is important to know that misophonia is brain-based. Understanding this can help reduce blame, conflict at home, and misunderstandings at school or with friends.

A growing body of research indicates that misophonia reflects differences in how the brain responds to certain sounds. Studies point to networks involved in sound, emotion, and salience, the process in the brain that flags something as especially important. Researchers are still working to understand exactly how these systems interact and develop. What is clear is that the response is not a matter of willpower or simply being “too sensitive.”

Family history is one of the strongest clues that biology and genetics are involved in misophonia. In a recent study led by Fernandez with Emily Olfson, MD, PhD, about 40% of participants with misophonia reported having a parent or sibling who was also affected. Nearly half reported an affected relative somewhere in their extended family, with many reporting high rates of anxiety and depression. “These family history findings are preliminary and will benefit from confirmation in additional studies,” Fernandez adds.

It’s important to know that family history can raise risk—but it doesn’t guarantee that someone will develop misophonia. It can still occur without any known family history. No single gene has been identified as causing misophonia. Instead, risk is probably related to a combination of many factors. Some common genetic changes may contribute in small ways. Some rarer changes might sometimes have larger effects—but there is no single genetic switch.

Many families affected by misophonia volunteer for research studies. Families can participate in some studies from home, including the project led by Fernandez and Olfson. Participants complete online questionnaires and mail saliva samples for DNA analysis. The researchers use DNA sequencing focused on “trios”—a person with misophonia together with both biological parents. Studying all three family members helps researchers distinguish inherited DNA changes from new, or “de novo,” changes.

More than 100 families have enrolled in the study, and sequencing and analysis are underway. “Our MRF-funded project is building toward an analysis of 150 trios, compared with sequencing data from 2,000 unaffected families,” says Fernandez. The long-term goal is to identify genes, pathways, and sensitive developmental windows. They are also working to build a shared resource for other scientists.

Fernandez, Olfson, and other researchers also partner with advocacy groups and families to shape research questions and how results are communicated. For example, the Lived Experience Action Panel organized by the non-profit advocacy organization soQuiet helps review and improve how findings are presented so that research reflects real-life experience and priorities. This input helps researchers decide what to measure and how to interpret results in ways that matter to the people they aim to help.

Pilot data suggest that people with misophonia may have more rare, spontaneous genetic changes than expected by chance. These are likely harmful changes, but they are from a small initial sample. The findings are considered preliminary and are now being tested with a larger group of participants. Fernandez says that clinical patterns also point to early life. Misophonia tends to start in childhood, commonly around age 10. It also often overlaps with anxiety.

Research like this has also led to breakthroughs in other conditions. Studies have identified specific risk genes and biological pathways in tic disorders (including Tourette syndrome), and in obsessive-compulsive disorder (OCD). In September 2026, a large study reported 36 genes in which rare variants substantially increased risk for OCD and chronic tic disorders. “Related family-based studies have produced genetic leads in ADHD, childhood anxiety, complex motor stereotypies, and body-focused repetitive behaviors such as trichotillomania, or hair pulling, and excoriation disorder, or skin picking,” says Fernandez.

These findings have not yet led to new, standard treatments for all of these conditions—but they are important. Fernandez notes that these discoveries help the field move from broad descriptions of symptoms to a focus on measurable changes in the body that can be tested. Researchers can then study the relationship between affected genes and brain cells. They can also examine how different genes influence the same biological processes, and which of those processes might one day be targeted for treatment. Fernandez notes, “Misophonia research is applying that established strategy to a condition whose biology remains much less understood.”

Evidence for misophonia treatment is still developing. Current care often focuses on individualized behavioral and coping strategies to reduce distress and impairment. These approaches can help, but they do not address underlying biological mechanisms. This is partly because those mechanisms are not yet known. Fernandez says that genetic discoveries could eventually help researchers:

• Identify potential drug targets (including opportunities to repurpose existing medications),

• Test possible treatments in laboratory models (including simplified models of brain tissue called “organoids”),

• Determine whether misophonia includes biological subtypes that could eventually help match treatment to the person, and

• Develop earlier and more objective ways to recognize misophonia.

These are long-term possibilities rather than treatments that will be available soon. The immediate purpose of current research is to build a reliable biological foundation for future work.

Scientific discovery is only one part of what people affected by misophonia need. The condition remains understudied and under-recognized. Individuals and families may struggle to find clear, trustworthy information or clinicians who are familiar with the condition. “The field needs approachable, evidence-informed materials that explain misophonia, help people describe their experiences, and offer practical guidance for families, schools, and health professionals,” Fernandez says.

He adds that those resources should be clinically useful without overstating what’s known—and they should be shaped by people who have lived experience with the condition. He also says that research and education should advance together. While genetic studies work toward long-term biological insight, accessible information can reduce stigma and confusion now. It can also help clinicians recognize meaningful impairment and connect people with appropriate support and opportunities to participate in research.