Noise Exposure Effects on Teachers’ Hearing and Hyperacusis

A large study of 504 teachers found that 80.16% reported heightened noise sensitivity, a potential marker for hyperacusis. Conducted by researchers Almıla Avşar, Buşra Mazooğlu, and Sevda Nur Şenel, the investigation shows that occupational noise in schools is linked to measurable changes in how teachers hear and process sound. The work connects prolonged classroom exposure to declines in speech perception and increases in the social difficulties associated with sound sensitivity.

How the Study Measured Teachers’ Hearing Health

The research team gathered data from healthy teachers aged 24 to 65 between December 2024 and March 2025. Participants came from diverse teaching disciplines, grouped as elementary school, quantitative fields (like math and science), and verbal fields (like language and social studies). Each teacher completed three core assessments online via Google Forms.

First, a Demographic Data Form captured their age, gender, teaching discipline, and years of service. Second, they completed the Khalfa Hyperacusis Questionnaire, a validated tool that measures sound sensitivity across subscales for attention, social, and emotional impacts. Third, they took the Speech, Spatial, and Qualities of Hearing Scale (SSQ), which evaluates real-world hearing abilities like following conversations in noise and locating where sounds come from.

This methodology allowed the researchers to move beyond basic hearing thresholds. Instead, they assessed the functional, everyday hearing challenges and sound tolerance issues that define conditions like hyperacusis.

Gender and Experience Shape Noise Impact

The findings revealed clear patterns linked to gender and career longevity. On the Khalfa Hyperacusis Questionnaire, female teachers reported significantly higher scores on the attention and emotional subscales. This suggests women in teaching may experience greater difficulty concentrating in noisy settings and more emotional distress from everyday sounds.

In contrast, male teachers scored significantly higher on the spatial perception subscale of the SSQ. This indicates a relative strength in locating and tracking sound sources in space, a skill that can degrade with auditory processing issues.

The most striking changes were tied to years on the job. Teachers grouped by experience showed significant differences. Social subscale scores on the hyperacusis questionnaire—reflecting difficulties in social situations due to sound—were much higher in the 15–20 years and 20+ years groups compared to teachers with just 1–5 years of experience. Concurrently, speech perception scores on the SSQ were significantly lower in the 15–20 years group. The data implies that the longer a teacher works in a noisy environment, the more their ability to understand speech may decline and their social discomfort from sound may increase.

Interpreting the Results: From Sensitivity to Disorder

The high rate of reported noise sensitivity (80.16%) is a major finding. While not a formal diagnosis, this widespread sensitivity is a core feature of hyperacusis, a condition where everyday sounds are perceived as intolerably loud or painful. The study shows this is not a random complaint but is structured by gender and exacerbated by career duration.

The decline in speech perception with more years of service points to a potential occupational hazard. Classrooms are acoustically challenging, often filled with overlapping speech, background chatter, and reverberation. The cumulative effect appears to wear down the auditory system’s ability to extract clear speech from noise, a skill critical for any teacher. This functional decline can occur even without a standard hearing loss on an audiogram, highlighting a gap in traditional hearing assessments.

The rise in social subscale scores among veteran teachers is particularly telling. It suggests that chronic noise exposure does more than affect hearing clarity; it can alter behavior and reduce participation in social gatherings, restaurants, or staff rooms due to sound intolerance. This aligns with the broader understanding of hyperacusis as a condition that affects quality of life and mental well-being.

Practical Implications for Educators and Hearing Health

This research has direct implications. First, it positions teaching as a profession at risk for auditory processing disorders and hyperacusis. Hearing health should be part of occupational health screenings for educators, moving beyond simple tone tests to include questionnaires like the SSQ and Khalfa. Early identification of issues could allow for timely intervention.

Second, the findings strengthen the case for improved classroom acoustics. Sound-absorbing panels, carpets, and acoustic ceiling tiles can lower ambient noise levels, reducing the daily auditory load on teachers. This is not just a comfort issue but a preventative health measure.

For teachers already experiencing significant sound sensitivity, this research validates their experience and points toward existing management strategies. For instance, sound therapy and cognitive behavioral approaches used for hyperacusis may be applicable. Research into P2x2 Receptor Antagonists Reduce Hyperacusis Sensitivity shows promising pharmacological avenues for reducing auditory nerve overactivity. Furthermore, understanding the full scope of auditory health is key; as explored in Integrated Auditory Health: From Cochlea to Cortex, effective care connects the ear to brain-based processing.

The social impact highlighted also suggests a need for workplace awareness. Colleagues and administrators should understand that a teacher’s avoidance of loud staff events may stem from a genuine auditory condition, not disinterest.

The study by Avşar and colleagues provides clear evidence that the school sound environment has measurable consequences. Protecting teachers’ hearing is an investment in their long-term career health and effectiveness. As one of the few large-scale studies to apply hyperacusis and spatial hearing measures to this workforce, it calls for more focused research and practical steps to make classrooms healthier auditory spaces.

Source: Avşar, A., Mazooğlu, B., & Şenel, S.N. (2025). Examination of the Effects of Occupational Noise Exposure on Speech Perception, Spatial Perception, Hearing Quality and Hyperacusis in Teachers. İnönü Üniversitesi Sağlık Hizmetleri Meslek Yüksek Okulu Dergisi. DOI: 10.33715/inonusaglik.1898710.