Auditory Sensitivity in Autism Spectrum Disorders

Auditory sensitivity in autism spectrum disorders encompasses a broad spectrum of perceptual differences in how sound is registered and processed. Many autistic individuals experience hypersensitivity to specific frequencies or volumes, leading to discomfort, anxiety and avoidance of routine auditory environments. Conversely, some present with hyporeactivity, showing reduced awareness of conversational cues and background sounds, which can hinder language development and social engagement. At a neural level, atypical transmission along auditory brainstem pathways and altered cortical responses contribute to prolonged or diminished evoked potentials. Dysregulation of middle ear muscle reflexes further modulates the clarity of speech signals, exacerbating sensory overload. These auditory phenomena intersect with emotional regulation, sleep quality and anxiety, shaping the broader autistic profile. Insights from behavioural observations, electrophysiological measures and neuroimaging have revealed how individual differences in auditory processing underpin variations in communication skills and daily functioning. Emphasis on culturally sensitive assessment and personalised interventions—including early screening for neural markers and specialised listening programmes—holds promise for improving auditory comfort, fostering social participation and enhancing quality of life for autistic people worldwide.

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Auditory Sensitivity in Autism Spectrum Disorders publication trend

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Technical terms

Auditory brainstem response (ABR): Evoked potential recording that measures the timing of neural transmission from the cochlea through brainstem nuclei in response to acoustic stimuli.

Hyperacusis: A sensory condition characterised by an increased sensitivity to everyday sounds, resulting in discomfort or pain at moderate volumes.

Sensory reactivity: The spectrum of individual differences in responsiveness to sensory input, including tendencies toward hyperreactivity, hyporeactivity and sensory seeking behaviours.

References

1. How auditory processing influences the autistic profile: A review. Autism Research (2024).
2. Sensing echoes: temporal misalignment in auditory brainstem responses as the earliest marker of neurodevelopmental derailment. PNAS Nexus (2023).
3. Auditory brainstem response in infants and children with autism spectrum disorder: A meta‐analysis of wave V. Autism Research (2017).