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In human development, muteness or mutism [1] is defined as an absence of speech, with or without an ability to hear the speech of others. [2] Mutism is typically understood as a person's inability to speak, and commonly observed by their family members, caregivers, teachers, doctors or speech and language pathologists.
Deaf-mute is a term which was used historically to identify a person who was either deaf and used sign language or both deaf and could not speak.The term continues to be used to refer to deaf people who cannot speak an oral language or have some degree of speaking ability, but choose not to speak because of the negative or unwanted attention atypical voices sometimes attract.
Although many autistic people are also selectively mute, they often display other behaviors—stimming, repetitive behaviors, social isolation even among family members (not always answering to name, for example)—that set them apart from a child with selective mutism alone. Some autistic people may be selectively mute due to anxiety in ...
This can mean fluency disorders like stuttering, cluttering or lisps. Someone who is unable to speak due to a speech disorder is considered mute. [2] Speech skills are vital to social relationships and learning, and delays or disorders that relate to developing these skills can impact individuals function. [3]
More recently, a 2010 study found that deaf adults see better than hearing people, suggesting that their increased peripheral vision serves as a protective factor when driving.
Akinetic mutism is a medical condition where patients tend neither to move nor speak ().It is the most extreme disorder of diminished motivation.Akinetic mutism was first described in 1941 as a mental state where patients lack the ability to move or speak. [1]
The most common device is a handheld, battery-operated device pressed against the skin under the mandible which produces vibrations to allow speech; [1] other variations include a device similar to the "talk box" electronic music device, which delivers the basis of the speech sound via a tube placed in the mouth. [2]
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