Genetic Links: Misophonia and Neuropsychiatric Conditions

A study of 101 people with misophonia and their parents reveals that 39% have a first-degree relative with the same sound sensitivity condition, providing strong evidence for a familial link. The research, led by Salomé Castelló Alfaro, Diana Bok, and Doris Chen, also found that misophonia frequently clusters with other neuropsychiatric conditions like anxiety and ADHD within families, and that mothers are significantly more likely to report misophonia and anxiety than fathers.

Study Methods: Surveying Families with Misophonia

The researchers recruited 101 individuals with misophonia, referred to as probands, along with their biological parents for a genetics study. Probands had an average age of 24.6 years, with a range from 8 to 64, and 88% were female. Each participant completed detailed cross-sectional surveys. These surveys were designed to capture not only the presence of misophonia but also a range of commonly co-occurring neuropsychiatric conditions, including anxiety disorders, depression, attention-deficit/hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), and autism. The team then analyzed the patterns of these conditions within the families, comparing rates between probands, their mothers, and their fathers.

Familial Patterns of Misophonia and Co-occurring Conditions

The survey results paint a clear picture of misophonia running in families. Nearly half (48%) of the probands reported having at least one relative of any degree (e.g., parent, sibling, aunt, cousin) with misophonia. More specifically, 39% had a first-degree relative—a parent or sibling—with the condition. This is a substantial rate that points to a potential genetic or shared environmental predisposition.

Furthermore, the data shows that misophonia rarely exists in isolation. Among the probands, rates of other conditions were high: 70% had anxiety, 38% had depression, 31% had ADHD, and 25% had OCD. This pattern of co-occurrence extended to their families. A majority of probands (65%) had at least one first-degree relative with anxiety, and 57% had a first-degree relative with depression. Significant portions also reported a family history of ADHD (40%), OCD (20%), and autism (13%). This clustering suggests shared underlying vulnerabilities that may manifest as different conditions in different family members.

For a deeper look at the brain changes associated with sound sensitivity disorders, our review of hyperacusis brain changes on MRI explores related neurological mechanisms.

The Maternal Link: Higher Rates in Mothers

One of the most striking findings was the significant difference in reported conditions between mothers and fathers. Mothers of the probands were more than three times as likely as fathers to have misophonia themselves (29% of mothers vs. 9% of fathers). They also reported significantly higher rates of anxiety (44% vs. 26%).

This disparity could be explained by several factors. There may be a genetic component linked to the X chromosome, which merits further investigation. It could also reflect a true higher prevalence in women, which aligns with the female predominance seen in the proband group. Alternatively, it might indicate that women are more likely to recognize, report, or seek help for these conditions compared to men. Understanding this maternal link is a clear direction for future research.

Implications for Patients and Future Research

For individuals with misophonia, these findings validate a common experience: the sense that the condition “runs in the family.” Knowing there is a biological and familial basis can reduce feelings of isolation or self-blame. It also underscores the importance of a broad clinical assessment. When a patient presents with misophonia, clinicians should consider screening for co-occurring anxiety, depression, and ADHD, both in the patient and by asking about family psychiatric history. This can lead to more comprehensive and effective treatment plans.

The study, available via DOI: 10.64898/2026.03.13.26347988, explicitly calls for more work on the genetic and environmental factors that create the observed shared predispositions. Future research with larger, more diverse family groups and genetic sequencing will be needed to identify specific risk genes. Furthermore, exploring the brain’s role is critical; research into dorsal cochlear nucleus plasticity has shown how auditory and emotional pathways can become intertwined, a process likely relevant to misophonia.

This familial data also strengthens the argument for considering misophonia within the broader context of neurodevelopmental and psychiatric spectra. The overlap with conditions like OCD and anxiety suggests potential overlaps in brain circuitry and treatment approaches. As noted in our article on fMRI advances in hearing and ENT disorders, neuroimaging is poised to help unravel these complex connections.

Ultimately, this research moves the field from anecdotal reports to quantitative evidence, providing a solid foundation for understanding misophonia as a condition with strong familial ties and significant psychiatric comorbidities.