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Misophonia is when specific human-made sounds trigger intense emotional reactions such as anger or disgust.

Neuroimaging studies of misophonic patients show altered connectivity in the brain’s salience network.

Trait-level psychology, particularly distress tolerance, helps determine the severity of misophonic reactions.

For up to 1 in 5 people, specific ordinary sounds—such as chewing, breathing, or repetitive tapping—can trigger immediate and intense emotional reactions, including rage and disgust.

This condition is known as misophonia. While it’s well described and moderately prevalent, it does not currently have a dedicated DSM or ICD code, and many questions remain about how it should be understood and treated.

Misophonia can be defined as a condition in which certain sounds trigger disproportionately strong emotional and physiological reactions, often including anger, anxiety, or disgust.

Many people with misophonia report an immediate urge to leave the environment or stop the sound, sometimes accompanied by physical signs of stress such as muscle tension, increased heart rate, or sweating. This differs from hyperacusis, in which ordinary sounds are perceived as excessively loud.

Clinically significant symptoms are estimated to affect about 10% to 20% of the population, though the degree of severity varies. While the average age an adult with misophonia seeks care is in the mid-30s, the age of symptom onset is typically between 9 and 13 years. Many patients are in their teenage years when they present to my clinic.

The most common triggers are human-generated orofacial sounds; chewing (~95%), breathing (~85%), and throat sounds (~65%). Repetitive human-made sounds (tapping, pen clicking) can also serve as triggers (~55%) [1].

Interestingly, misophonic triggers are often more intense when produced by family members than by strangers.

Why Misophonia Is Difficult to Classify

Misophonia patients are often referred back and forth between specialists, reflecting the condition’s overlap between auditory and psychological domains. Here are some of the most commonly observed conditions seen with misophonia:

Auditory disorders: Hyperacusis, tinnitus.

Psychiatric disorders: Anxiety, depression, OCD.

Neurodevelopmental conditions: Migraine, ADHD, ASD.

Because of these overlaps, misophonia has historically been difficult to place within a single diagnostic category. Fortunately, neuroscience research has begun asking a different question: what brain mechanisms cause certain sounds to trigger such powerful reactions?

What’s New in Misophonia Research

Two developments in the literature over the past year are helping clarify what may be driving misophonia. One line of research focuses on sensory processing, the other on trait-level psychology.

Bottom-Up: Altered Auditory–Salience Processing

A large neuroimaging study published in 2026 identified a connectivity pattern uniquely associated with misophonia [2]. The pattern involved altered connectivity between auditory regions and the anterior insula, a key hub of the salience network, which regulates the attentional importance (salience) of sensory information.

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When this system functions normally, non-critical everyday sounds are filtered out automatically. But when salience processing becomes dysregulated, otherwise neutral sounds can be flagged as important or threatening.

The Sensory–Salience Dysregulation Model proposes that misophonia arises when this filtering system begins to misclassify particular sounds as high-priority signals [3]. Once that happens, the brain responds with a cascade of emotional and physiological reactions.

In this framework, the disturbance begins in sensory–salience processing, helping explain the strong overlap with other sensory hypersensitivity conditions like migraine, tinnitus, and hyperacusis.

Top-Down: Trait-Level Distress Intolerance

At the same time, new psychological research highlights top-down influences in misophonia, particularly differences in distress tolerance and emotional regulation [4]. These trait-level differences shape how people experience and regulate the emotional reactions triggered by sounds.

Treatment studies point in the same direction, in that improvements in misophonia symptoms coincide with increases in distress tolerance and emotional regulation capacity. From this perspective, trait-level regulatory differences determine the strength of the misophonic response.

Integrating the Findings

The key to integrating these findings is recognizing that sensory processing and emotional regulation operate within a shared neural network, reflecting an interaction between:

Auditory processing that assigns excessive salience to specific sounds.

Emotional and autonomic responses triggered by those signals.

Trait-level distress tolerance and emotion regulation capacity.

Over time, these processes become multidirectional and mutually reinforcing. Clinically significant misophonia is therefore best understood as a brain network disorder involving both bottom-up sensory processing and top-down psychological regulation.

Clinical Implications

This emerging model has two practical implications for clinicians.

First, misophonia can be classified as a sensory processing disorder, with neuroimaging studies that map the core brain networks involved. This places the condition within a neurophysiological framework and clarifies that misophonia is a brain-based medical condition rather than a purely psychological or behavioral one.

For many patients, this explanation is profoundly reassuring. People with misophonia often fear that their reactions reflect a personality defect or lack of self-control. Understanding the neurophysiological basis of the condition helps replace shame and bewilderment with a clear framing of the issue as brain-based and treatable.

Second, while the reaction begins as a sensory processing issue, psychological resilience determines symptom severity. People with lower distress tolerance become trapped in the reaction cycle, whereas those with stronger regulatory capacity can disengage more easily once a trigger occurs.

Helping patients understand that distress tolerance is a learnable skill clarifies why psychological work is an essential part of treatment. While sensory hypersensitivity itself may not be fully within one’s control, strengthening emotional regulation can reduce how intensely and persistently the reaction unfolds.

Taken together, these findings suggest that the most effective strategy is a multimodal, medically-informed approach. Treatment may combine sound therapy, CBT-based interventions, distress tolerance training, psychoeducation, and, when appropriate, targeted medications. This is the approach we use in our tinnitus clinic, where we are seeing encouraging results.

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[1] Guzick AG, Cervin M, Smith EEA, Clinger J, Draper I, Goodman WK, Lijffijt M, Murphy N, Lewin AB, Schneider SC, Storch EA. Clinical characteristics, impairment, and psychiatric morbidity in 102 youth with misophonia. J Affect Disord. 2023 Mar 1;324:395-402. doi: 10.1016/j.jad.2022.12.083. Epub 2022 Dec 28. Erratum in: J Affect Disord. 2024 Mar 1;348:410. doi: 10.1016/j.jad.2023.11.045. PMID: 36584703; PMCID: PMC9878468.

[2] Hansen HA, Norris JE, Bain CM, Ethridge LE, Tardif CL. Selective Disruption of Salience-Network Anterior Insula Connectivity in Misophonia: A Disorder-Specific Neural Signature. Hum Brain Mapp. 2026 Feb 15;47(3):e70468. doi: 10.1002/hbm.70468. PMID: 41676968; PMCID: PMC12895373.

[3] Melanthiou D, Panayiotou G, Paraskevopoulos E, Chatzittofis A, Koumas M, Onisiforou A, Zanos P. Linking misophonia and tinnitus: Common and divergent neurobiological mechanisms. Neurosci Biobehav Rev. 2026 Apr;183:106584. doi: 10.1016/j.neubiorev.2026.106584. Epub 2026 Jan 29. PMID: 41616930.

[4] Cepeda SL, Milgram L, Bigler ME, Tonarely-Busto NA, Lewin AB, Ehrenreich-May J. Impacts of Distress Intolerance and Anxiety Sensitivity on the Maintenance and Treatment of Youth Misophonia. J Clin Psychol. 2026 Jan 20. doi: 10.1002/jclp.70095. Epub ahead of print. PMID: 41557948.

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