Misophonia, the inability to tolerate certain repetitive distressing sounds that are common, is gaining, recognition as an impairing condition. It is not a well-understood condition and there are no known treatments. The purpose of this study is to test a new misophonia intervention that uses emotion regulation strategies and different types of brain stimulation on misophonic distress. This study will examine changes in brain activity during presentation and regulation of misophonic versus distressing sounds. The study team plans to alter activity in a key area of the brain responsible for emotion regulation circuitry over 4 sessions with the goal to test if this intervention helps misophonic distress. Sixty adult participants with moderate to severe misophonia will be recruited and taught an emotion regulation skill and randomly assigned to receive one of two types of repetitive transcranial magnetic stimulation (rTMS). The study includes 9-10 visits: the remote screening visit(s), the initial MRI, the four neurostimulation sessions, the follow-up MRI, and two additional remote 1- and 3-month follow-up visits.
Age range
18 Years – 55 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Number of clusters across the whole brain with significant BOLD changes between conditions contrasting follow up with intake, and exposure to misophonic versus aversive sounds
Timeframe: during the neuroimaging session, within 2 months of the intake assessment
Number of clusters across the whole brain with significant BOLD changes between conditions contrasting follow up with intake, and downregulation of versus exposure to misophonic sounds
Timeframe: during the neuroimaging session, within 2 months of the intake assessment
Differential change in BOLD signal within the Anterior Insular Cortex (AIC) activation when being presented with misophonic versus non-misophonic but aversive sounds
Timeframe: during the neuroimaging session, within 2 months of the intake assessment
Differential change in BOLD signal connectivity between the left Anterior Insular Cortex (AIC) and the right dorsolateral prefrontal cortex (dlPFC) when downregulating versus experiencing distress related to misophonic trigger sounds
Timeframe: during the neuroimaging session, within 2 months of the intake assessment
Change in misophonia impairment and severity using a composite
Timeframe: Baseline, 1 week follow-up after neurostimulation, 1- and 3-month follow-up
Skin conductance level (scl)
Timeframe: Baseline, and two minute blocks during the 4 neurostimulation sessions (when participants downregulate emotions associated with misophonic triggers)
Change in Subjective Unites of Distress (SUDS)
Timeframe: Baseline, during the experimental blocks of the neurostimulation sessions (which will occur over 4 days within a month of the initial assessment)