Speech disorders refer to several conditions in which a person has difficulty communicating by mouth. The best treatment is prevention and early intervention by a speech pathologist.
Some children and adults can learn American Sign Language, or ASL. ASL is mostly used by people who are deaf or severely hearing impaired, but many people can benefit from learning it. People who have lost the ability to speak because of surgery can sometimes use an electronic device that produces sounds imitating the human voice. Known as augmentative communication, these devices include typewriters, speech computers, or special boards with pictures or words.You can know more about this from the following url:
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