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Misophonia (or selective sound sensitivity syndrome) is a disorder of decreased tolerance to specific sounds or their associated stimuli, or cues. These cues, known as "triggers", are experienced as unpleasant or distressing and tend to evoke strong negative emotional, physiological, and behavioral responses not seen in most other people. [ 8 ]
Hyperacusis is an increased sensitivity to sound and a low tolerance for environmental noise. Definitions of hyperacusis can vary significantly; it often revolves around damage to or dysfunction of the stapes bone, stapedius muscle or tensor tympani ().
Autism, or autism spectrum disorder [a] (ASD), is a neurodevelopmental disorder characterized by repetitive, restricted, and inflexible patterns of behavior, interests, and activities, as well as deficits in social communication and social interaction, and the presence of high or low sensory sensitivity.
Hyposensitivity, also known as Sensory under-responsitivity, refers to abnormally decreased sensitivity to sensory input. Hyposensitivity is especially common for autistic people and is more often seen in children than adults and adolescents due to masking. Those experiencing this have a harder time stimulating their senses than normally.
People with autism experience auditory hypersensitivity which can lead to sensory overload. [23] Although people with autism do not have abnormalities in P50 sensory gating, they have anomalies in sensory gating related to the N100 test which indicates an irregularity in attention-related direction and top-down mental pathways. [23]
Under the World Health Organization (WHO), a hearing disorder happens when there is a complete loss of hearing in the ears. It means the loss of the ability to hear. Technically speaking, selective hearing is not "deafness" to a certain sound message. Rather, it is the selectivity of an individual to attend audibly to a sound message.
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Autism Speaks – the world's largest autism advocacy organization that sponsors autism research and conducts awareness and outreach activities aimed at families, governments, and the public; some have argued that it is exploitative and unkind. Gluten-free, casein-free diet – diet that eliminates dietary intake of gluten and casein.