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Hyperacusis is highly prevalent in the autism spectrum disorder (ASD) population. This auditory hypersensitivity can trigger pragmatically atypical reactions that may impact social and academic domains. Objective: The aim of this report is to describe the relationship between decreased sound tolerance disorders and the ASD population. Topics covered: The main topics discussed include (1) assessment and prevalence of hyperacusis in ASD; (2) etiology of hyperacusis in ASD; (3) treatment of hyperacusis in ASD. Conclusions: Knowledge of the assessment and treatment of decreased sound tolerance disorders within the ASD population is growing and changing.

Decreased sound tolerance (DST) is the most common sensory difficulty experienced by autistic individuals. Parents of 88 autistic children and young adults between the ages of 3 and 30 described coping strategies and physical and emotional responses used to deal with distressing sounds, and their impact on daily activities. Loud, sudden, and high-pitched sounds were most commonly endorsed as distressing, most often causing autistic children and young adults to cover their ears or yell, while producing stress, irritation, fear, and anxiety. Parents reported warning their child, providing breaks, or avoiding noisy settings as the most used coping strategies. Overall, findings indicate that DST leads to fewer opportunities for autistic children and young adults to participate at home, at school, and in the community. Further, results suggest hyperacusis, misophonia, and phonophobia, subtypes of DST, are present in autistic children and young adults.

Background: Misophonia is a condition related to experiencing psychophysiological sensations when exposed to specific sound triggers. In spite of progress in research on the subject, a fully validated questionnaire assessing misophonia has not been published yet. The goal of this study was to create and validate a new questionnaire to measure misophonia. Methods: MisoQuest is based on the diagnostic criteria proposed by Schröder et al. in 2013, with minor changes implemented by the authors of MisoQuest. A total of 705 participants took part in the study, completing the online questionnaires. Exploratory Factor Analysis (EFA) and analyses using the Item Response Theory (IRT) were performed. Internal consistency was evaluated with Cronbach’s alpha. Results: The reliability of the MisoQuest was excellent (α = 0.955). The stability at five weeks was strong. There was a significant difference in results between people classified as those with misophonia and those without misophonia. Conclusions: MisoQuest has good psychometric values and can be helpful in the identification of misophonia. A deeper analysis showed that certain triggers might be more specific for people with misophonia. Consideration of violent behavior in response to misophonic triggers as a symptom of misophonia was undermined.

Background: The aim of this study was to conduct a systematic review of the research literature on the prevalence of psychiatric comorbidities in patients with hyperacusis and misophonia. Method: Four databases were searched: PubMed, PsycINFO, Scopus, and Web of Science (Wis)—last search conducted on the 16th of April 2024 to identify relevant studies. The methodological quality of each study was independently assessed using the JBI Critical Appraisal Checklist. Results: Five studies were included for the prevalence of psychiatric comorbidities in hyperacusis, and seventeen studies for misophonia. Among patients with hyperacusis, between 8% and 80% had depression, and between 39% and 61% had any anxiety disorder as measured via a diagnostic interview and/or self-report questionnaires. For misophonia, nine studies provided data on various forms of mood and anxiety disorders, with prevalences ranging from 1.1% to 37.3% and 0.2% to 69%, respectively. Conclusions: Although the 22 included studies varied considerably in design and scope, some recurring patterns of comorbidity were noted. However, apparent trends—such as the higher prevalence of mood and anxiety disorders compared to other psychiatric conditions—should be interpreted with caution, as most studies did not comprehensively assess a full range of psychiatric disorders. This likely skews prevalence estimates toward the conditions that were specifically investigated.

BackgroundMisophonia is defined as significant distress (anger, distress or disgust) when exposed to certain sounds that would not affect most people, such as lip smacking or gum chewing. Although misophonia is common, the aetiology, prevalence and effective treatments are largely unknown.AimsBased on our proposed diagnostic criteria, we examined the prevalence of misophonia and its relationship with clinical and demographic variables in a large representative population sample.MethodWe used a household sample (N = 541) of all residents aged >15 years, living in 300 homes randomly selected in Ankara city centre, Turkey. All participants were assessed at their homes by trained interviewers, for sociodemographic variables, misophonic sounds and related factors, using a semi-structured interview (the Misophonia Interview Schedule) developed for the current research.ResultsThe current misophonia diagnosis prevalence was 12.8% (n = 69 of 541), although 427 (78.9%) participants reported at least one sound that was distressing. The mean number of misophonic sounds was 8.6 (s.d. 8.9, range 0–44); the figure was 17.6 in those with misophonia compared with 7.3 in those without misophonia. Of those with misophonia, only 5.8% contacted services for their condition. Predictors of misophonia diagnosis included younger age, family history of misophonia and previous contact with mental health services.ConclusionsOur study showed that misophonia is common in the general population, may cause significant disruption in daily life and is undertreated. Although more evidence is needed to classify misophonia as a psychiatric disorder, our findings support others who claim that the condition belongs to the group of mental disorders.

Misophonia is defined as a disproportionate emotional response to everyday sounds created by other people and sometimes to animal sounds. It can be severe enough to disrupt people’s professional and social functionality. The risk factors and etiology of the disease are not fully known. It can be seen together with some neurodevelopmental diseases and psychiatric disorders. Amsterdam Misophonia Scale and Misophonia Scale are scales developed to evaluate misophonia. Diagnostic criteria have not been fully determined and are not included in the current diagnostic classifications. In its treatment, methods such as cognitive behavioral therapy, mindfullnes, dialectical behavioral therapy and exposure are used, and no specific pharmacological treatment has been defined.