Dysphonia

It is mainly manifested in the delay and abnormality of pronunciation, the development speed of pronunciation is lower than the corresponding age, and the speech is unclear or the pronunciation is wrong. The most common mistakes are s, z, c, sh, ch, zh, l, m, n, j, x, etc. Some of the similar sounds mentioned above replace each other, such as the teacher (lao shi) as Lao xi, and the grandma (nai nai) as mai (mai mai). Omit the initial or middle sound of the word, and fix some sounds in a fixed way. The pronunciation is tone-changed or incoherent. People with mild pronunciation disorder only show inaccurate or unclear pronunciation, and can make people understand. Severe pronunciation disorder. Due to the obvious pronunciation errors, the spoken words are difficult to understand, but because the damage only occurs at the language level and there is no syntactic structure error, it always makes people feel that what is said is a potential sentence. Differences in language barriers.